Chantilly, VA • (24.2 miles) • Full Time • 10/26/2026

Acclaim Technical Services,founded in 2000, is a leading cyber operations, intelligence solutions and operations, network infrastructure, engineering and business enablement and enterprise operations company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top workplace among DC area firms and continues to grow. We are actively hiring a Senior Software Engineer (Leadership) with a TS/SCI clearance and polygraph to support a program in Chantilly, VA. In this role you will own the design, delivery, performance, and operational evolution of the administrative services domain for a large-scale, globally distr

Annapolis Junction, MD 20701 • (15.2 miles) • Full Time • $235,000 / yr • 10/25/2026

Job Description The HPC Software Engineer designs, develops, tests, deploys, documents, maintains, and enhances complex and diverse software for HPC (high performance computing) systems based upon documented requirements. Critical for an HSE is either a very strong math background and/or a very strong computer hardware background. One or both of these is required in order for the HSE to be able to understand the intricacies of the HPC architecture that is being targeted by the software being developed, or to understand the complex mathematical principles which underlie the software applications being developed. The HPC systems might include, but are not limited to, processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and

Fort Meade, MD • (16.5 miles) • Full Time • $150,000 to $245,000 / yr • 10/25/2026

java, python, C/C++, Assembly (x86), and debugging. Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be a US Citizen. Must have TS/SCI clearance w/ active polygraph. Must have eleven (11) years of direct/relevant experience. Bachelor’s degree in computer science or related discipline from an accredited college or university is required Strong development experience in a variety of languages (ex., java, python). Ability to read/understand C/C++, and Assembly (x86). Experience with software architecture, operating system design, compilers, and debugging. Comfortable working with operating system internals, low-level software development, file I/O, system APIs, memory management,

Annapolis Junction, MD • (15.2 miles) • Full Time • 10/24/2026

Are you a Systems Engineer who is ready for anew challengethat willlaunch your careerto the next level? Tired of being treated like a company drone? Tired of promised adventures during the hiring phase, then dropped off on a remote contract and never seen or heard from the mothership again? Our engineers were certainly tired of the same. At GliaCell our slogan is “We make It happen”. We will immerse you in the latest technologies. We will develop and support your ownpersonalized training program to continue your individual growth. We will provide you withwork that matterswith our mission focused customers, and surround you witha family of brilliant engineers. Culture isn’t something you need to talk aboutif it just exists. If thissounds interesting to you, then we’d like tohave a discussio

Chantilly, VA 20151 • (23.9 miles) • Full Time • 10/24/2026

Position Title: Principal Integration & Test (I&T) Engineer, Space Payloads Requisition ID: 1846 Position Location: Chantilly, VA Position Reports To: Senior Manager, Integration & Test Engineering Supervises Others: No At Trident Systems Space Electronic Systems (SES) division, we believe in the power of using strong engineering principles to drive innovation and solve complex problems. We foster a culture of rigorous engineering and continuous improvement, leveraging the full knowledge of our organization through collaborative product development processes that include design and peer reviews. We combine our expertise in space electronics with right-sized development processes to create innovative, high-performance space-based electronic systems that meet our customers' evolving needs. W

Elkridge, MD 21075 • (20 miles) • Full Time • $155,620 to $206,033 / yr • 10/24/2026

Job Description: Quevera is seeking an Application Engineer IV to join an exciting, collaborative and innovative team. A place where you are positioned for More than Just a Job. Where leadership partners with you, seek to cultivate and support career development, encouraging growth from within while striving to foster a diverse and inclusive environment that improves individual and organizational performance. "REQUIRED - MUST have a current TS/SCI Polygraph clearance to apply for role . Only those with a current TS/SCI with Poly clearance will be considered." Required Experience: • Strong Python development skills • A minimum of 5 years of Python experience the past 5 years. • AWS Experience • Gitlab CI/CD • Docker • Library Development/Maintenance • Experience in several of the following

Falls Church, VA • (11.6 miles) • Full Time • $135,000 to $165,000 / yr • 10/23/2026

About Agile Defense At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next. Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agilityleveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests. Job Title: Data Engineer Location: Falls Church, VA Clearance Level: This position requires candidates to be U.S. citizens and to possess, at minimum, an active Secret security clearance. Roles under this requisition may require higher-level clear

Chantilly, VA 20151 • (23.9 miles) • Full Time • 10/23/2026

Job Description BOAB Ventures is seeking a Communications Systems Engineer with strong optical and quantum communications experience to support advanced research and development efforts within the national security community. This position provides Systems Engineering and Technical Assistance (SETA) supporting the development of next-generation hardware, software, and architectures for mission-critical optical and quantum communication systems. What You’ll Do Perform technical reviews, assessments, and risk evaluations of optical and quantum communication technologies at the component, subsystem, system, and architecture levels. Evaluate technologies including optical terminals, free-space optical links, photonic components, entanglement-based communication architectures, and quantum-enhan

Chantilly, VA 20151 • (23.9 miles) • Full Time • $142,696 to $158,303 / yr • 10/23/2026

Overview General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team! Equal Opp

Vienna, VA 22182 • (14.3 miles) • Full Time • $145,000 to $190,000 / yr • 10/21/2026

Overview Mid Cyber Security Engineer Vienna, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level! Chenega Agile Real-Time Solutions (CARS) was created with the purpose of providing integrated enterprise IT support to Federal customers both CONUS and OCONUS. CARS employs Subject Matter Experts (SMEs) with decades of experience working in the Federal marketplace. A Mid Cyber Security Engineer sup

Annapolis Junction, MD 20701 • (15.2 miles) • Full Time • 10/21/2026

Perks and Benefits 100% Paid Healthcare 10% 401k in every paycheck 100% Fully Vested!!! NOTE – Our positions require a Top Secret clearance , as well as having favorably completed a polygraph . Applicants must beauthorized to work in the U.S. We are unable to sponsor an employment Visa. What You’ll Be Doing (We don’t love the bullet points, but we love the work!) We are seeking a skilled Systems Engineer who thrives on solving complex technical challenges and keeping mission-critical infrastructure running securely and efficiently. In this role, you will collaborate directly with customer stakeholders and system integration teams to engineer, administer, optimize, and sustain a secure, closed-network environment spanning multiple locations across Capabilities and Operations. You will have

Sterling, VA 20166 • (23.9 miles) • Full Time • $160,000 to $200,000 / yr • 10/20/2026

Vibrint is a trusted provider of mission-critical systems and analysis that transform our customers' capacity and capability in harvesting and harnessing data. Working alongside many of the most talented professionals in public service, we work tirelessly to create and sustain new solutions and services that meet the stringent demands across a variety of customer missions. To meet growing client demand, we are continuously seeking top talent across our core competencies, building a strong pipeline of exceptional professionals ready to support current and future mission needs. Our people know they'll be doing work that matters at the heart of the national security mission, exploring new possibilities at the cutting edge of technology. They know they will be well-rewarded and recognized for

Washington, DC 20002 • (7 miles) • Full Time • $104,240 to $130,300 / yr • 10/19/2026

Overview About M.C. Dean M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration. Why Join Us? Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core valuesagility, expertise, and trustwe foster a collaborative and forwa

Jessup, MD 20794 • (16.1 miles) • Full Time • 10/18/2026

POSITION HIGHLIGHTS: 3D CAD sheet metal design and drafting of mechanical components and assemblies Drawing conversion from AutoCAD to Autodesk Inventor Sheet metal Part design, analysis, debug and rework Report preparation and presentation at the end of the project All activities will be designed to give the intern a full understanding of the BAC engineering design and insight into fabrication QUALIFICATIONS: Pursing a Bachelors (Junior or above) in Mechanical Engineering or related field Mechanical Design skills and understanding of mechanical design practices Must be mechanically inclined and be able to visualize mechanical (spatial) relationships 3D Computer-Aided-Design (CAD) experience (i.e. Autodesk Inventor) Thorough understanding of AutoCAD Sheet Metal design experience preferred

Chantilly, VA • (24.2 miles) • Full Time • 10/17/2026

Dark Wolf constructs and deploys data management and analytics solutions for the defense and intelligence communities. We're proud to boast a world-class engineering team that thrives on rolling up their sleeves to solve your mission's biggest challenges. Dark Wolf is seeking an AI Software Engineer Subject Matter Expert (SME) to architect, lead, and execute complex, high-assurance AI/ML engineering initiatives. As the primary technical authority, you will drive enterprise-scale architectural vision, design novel AI systems, oversee multi-cloud and air-gapped infrastructure, and advise key government stakeholders on high-impact AI strategies. Key Responsibilities Architect and lead the end-to-end technical execution of enterprise-scale AI software systems. Serve as the principal technical

Annapolis Junction, MD 20701 • (15.2 miles) • Full Time • $150,000 to $190,000 / yr • 10/17/2026

Description: Columbia Technology Partners is seeking a Senior Java Software Engineer to support the modernization and productization of a mission-focused software suite designed for deployment across a broader customer community. This role will help transform existing solutions into scalable, customer-agnostic platforms by removing environment-specific dependencies, enhancing authorization workflows, and supporting advanced key management capabilities. The ideal candidate is a highly skilled software engineer with deep experience in Java development, modern software engineering practices, and the design of secure, distributed applications. Key Responsibilities: Design, develop, test, and maintain enterprise software applications using modern Java-based technologies. Support the productizat

Chantilly, VA • (24.2 miles) • Full Time • 10/17/2026

Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth. We are seeking a Senior Software Engineer to support a mission-critical enterprise. This position serves as the principal authority for enterprise software architecture, development standards, application moderization, and secure software delivery across complex environments. Responsibilities Design, develop, test applications while establishing architectural frameworks. Develop best practices and create modernization strategies This role combines strategic technical leadership with hands-on engineering experti

Annapolis Junction, MD • (15.2 miles) • Full Time • 10/15/2026

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a DevOps Engineer to join our intel team.We have an immediate need for a DevOps Engineer to support TO-005, Report Authoring and Dissemination (RAD). Efforts will focus on DevOps engineering of a modernization effort to converge NSA’s authoring, dissemination, and other supporting tools.Candidates will be required to work a rotating pager schedule for emergency 24/7 call-in support as required (roughly one week out of every 4-6 weeks). Staff may charge 4 additional hours for the week they are on call in addition to hours worked. Up to one day per week of work from home. Responsibilities will include: Deploying applications In

Annapolis Junction, MD 20701 • (15.2 miles) • Full Time • 10/15/2026

Job Description ACTIVE SECURITY CLEARANCE AT THE TS/SCI POLYGRAPH LEVEL IS REQUIRED We are seeking a highly skilled Reverse Engineering Malware Analysis Engineer to join our team in supporting critical defense and intelligence customer missions. In this role, you will perform deep-dive static and dynamic analysis on malicious binaries, dissect assembly code, and unravel complex Advanced Persistent Threat (APT) Tactics, Techniques, and Procedures (TTPs). You will translate adversary intelligence into actionable detection signatures (YARA, SNORT), identify operational risks, and design concrete mitigation strategies across computer networks. The annual base salary range for this role is $201,000-$238,000 (USD) , which does not include discretionary bonus compensation or our comprehensive ben

Reston, VA 20190 • (17.3 miles) • Full Time • 10/14/2026

As a Sr. DevSecOps Engineer , you’ll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines. You will collaborate with cross-functional teams to integrate security practices seamlessly into the development and operations lifecycle, ensuring the delivery of high-quality, secure, and reliable software solutions. What you’ll do: Collaborate with customers and internal teams to design and implement automatic technical solutions across multiple classification environments, working independently or as part of the team to address complex technical requirements. Develop CI/CD pipelines from scratch in GitLab CI and Jenkins with integrated security scanning and STIG compliance validation, providing expert guidance to devel

Chantilly, VA • (24.2 miles) • Full Time • 10/14/2026

Mission Context LV8D Solutions supports national security space and intelligence customers delivering next-generation sensing and exploitation capabilities. TheSpace Communication Systems Engineerserves as aSystems Engineering and Technical Assistance (SETA) support position to assist in defining the future space communication architecture. Position Overview LV8D Solutions is seeking a Space Communication Systems Engineer.The successful candidate will support and lead space capability studies and Integrated Product Teams (IPTs). Qualified candidates must possess demonstrated satellite experience and be able to provide technical and programmatic insight on the wide variety of space communication system capabilities. The successful candidate will work both independently and in a dynamic team

Arlington, VA • (9.6 miles) • Full Time • 10/11/2026

Umbra is an American space technology company delivering advanced systems, from sensors to spacecraft, that empower customers worldwide with unmatched access to critical information from space. Our mission is simple and ambitious: redefine spacefor people, systems, and missions in every domain. Umbra’s ecosystem operates through three business units: Remote Sensing (the data), Space Systems (the components), and Mission Solutions (the platforms). Together, our teams develop capabilities that deliver persistent access, resilient performance, and mission-ready solutions, advancing U.S. space leadership while keeping the world safe and informed. About the Team Remote Sensing – The Data Remote Sensing is where Umbra got its start, and our agile Synthetic Aperture Radar (SAR) constellation rema

Columbia, MD • (16.2 miles) • Full Time • 10/10/2026

Founded in 2007 and headquartered in Columbia, Maryland, Synergy ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the U.S. intelligence and defense communities. The company leverages its expertise in data transport solutions, software and systems engineering, and other solutions to deliver critical and innovative capabilities to high-level decision makers that enhance our nation’s security. In an ultra-competitive environment, Synergy ECP has thrived by adhering to our name, making sure excellence is displayed by ourEmployees, to ourCustomers and by ImprovingPerformance (ECP). It’s what sets us apart, enabling us to be an autonomous yet agile business that delivers huge resultsshowing we’re ready to meet our customers’ evolving demands. Synerg

Takoma Park, MD 20912 • (1.8 miles) • Full Time • 11/4/2026

Description Leidos has a new and exciting opportunity for a Systems Engineer – Standards / Technical Specifications in our Intel Sector Analysis Solutions Business Area (ASBA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos , we offer competitive benefits , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in Analysis Solutions Business Area! Job Description: Leidos is seeking an experienced, re

McLean, VA • (10.2 miles) • Full Time • 11/7/2026

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you'll be part of a passionate team dedicated to accomplishing hard things, together. Lead Business Technology Engineer Location: McLean, VA | Work Model: On-site Are you a technical leader ready to architect, optimize, and scale the mission-critical platforms powering a global pioneer in enterprise transformation? Move beyond daily maintenance to bridge strategic engineering gaps, guide cross-functional teams, and future-proof the complex software layers that en

Chantilly, VA • (24.2 miles) • Full Time • 11/6/2026

Dark Wolf constructs and deploys data management and analytics solutions for the defense and intelligence communities. We're proud to boast a world-class engineering team that thrives on rolling up their sleeves to solve your mission's biggest challenges. Dark Wolf is seeking an Expert DevSecOps Engineer to serve as a technical anchor, architecting, maintaining, and scaling the Continuous Integration/Continuous Deployment (CI/CD) tools, pipelines, and infrastructure used across the development lifecycle. In this role, you will lead the integration of security and operational resilience, ensuring total observability, automated compliance, and software assurance across complex systems. We are seeking a seasoned leader and problem solver with a proven ability to deliver superior results while

Annapolis Junction, MD 20701 • (15.2 miles) • Full Time • 11/6/2026

Job Description ACTIVE SECURITY CLEARANCE AT THE TS/SCI POLYGRAPH LEVEL IS REQUIRED We are seeking a security-focused Software Engineer to lead the implementation of robust identity, access control, and permission mechanisms across critical High-Performance Computing (HPC) system resources. In this role, you will sit at the intersection of security engineering, IAM architecture, and HPC infrastructureensuring enterprise system resources remain fully compliant with Agency security policies and industry standards. You will design and deploy Role-Based and Attribute-Based Access Control (RBAC/ABAC) systems, build seamless SSO integrations, automate secrets management, and drive continuous deployment using Ansible and GitLab CI. If you thrive on solving complex security puzzles in large-scale

Manassas, VA 20110 • (30.7 miles) • Part Time • $116,395 to $129,126 / yr • 11/6/2026

Overview General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team! Equal Opp

Annapolis Junction, MD • (15.2 miles) • Full Time • 11/5/2026

Build to something to be proud of. Captivation has built a reputation on providing customers exactly what is needed in a timely manner. Our team of engineers take pride in what they develop and constantly innovate to provide the best solution. Captivation is looking for software developers who can get stuff done while making a difference in support of the mission to protect our country. Description Captivation Software is looking for a senior level software engineer who shall be responsible for the engineering, implementation, integration, and sustainment of the project Tool's Suite in a Linux environment. This role ensures secure credential management, privileged access controls, secrets management, and automation capabilities that align with mission security and compliance requirements.

Chantilly, VA • (24.2 miles) • Full Time • 11/4/2026

North Point Technology is looking to hire a Senior Linux Systems Engineer to support a mission-critical enterprise Identity and Access Management (ICAM) system operating in a classified environment. The ideal candidate will bring a strong Linux background combined with cloud infrastructure experience to deliver lifecycle systems engineering support across development and operational environments. An active Top Secret clearance with SCI eligibility is required, and candidates must be willing to obtain a polygraph within the customer's required timeline. Responsibilities: In this role, you will provide Tier II support for customer-facing operational issues, performing root cause analysis and mitigation while communicating findings and maintaining a feedback loop with the development team. Yo

Middle River, MD • (39 miles) • Full Time • 11/3/2026

ABOUT ROCKET LAB Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity's reach to the Moon, Mars, and beyond. We move fast, build real hardware for meaningful missions, and make the impossible routine. Come shape the future with us. As a Grounds Systems Engineering Intern based at Rocket Lab's site in Middle River, Maryland you will have the opportunity to support the team as they design, build, and implement large tooling, fixtures, and custom lift equipment to support prototype and production of Neutron. The Ground Support Equipment engineering team designs and manufactures production, test, and transport equipment in support of Neutron build and operation. WHAT YOU'LL GET TO DO As an int

Columbia, MD 21046 • (15.2 miles) • Full Time • 11/2/2026

Job Description System Engineer Storage / ONTAP Cluster Administrator Columbia, MD | Full Time | TS/SCI with Full-Scope Polygraph Required Position:System Engineer, Level 2 Storage / ONTAP Administrator (SE2) Location:Columbia, MD (on-site) Category:Systems Engineering / Enterprise Storage / Data Center Infrastructure Clearance Requirement:Active TS/SCI with Full-Scope Polygraph Compensation: $160,000 - $182,000 Experience Requirement: 14+ years of System Engineering experience on programs and contracts of similar scope, type, and complexity, OR 5+ additional years of SE experience may be substituted in lieu of a Bachelor's degree Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an acc

Washington, DC • (6.8 miles) • Full Time • $210,880 to $316,320 / yr • 11/1/2026

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BATaircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visitwww.shield.ai. Follow Shield AI onLinkedIn,X,Instagram, andYouTube. Shield AI builds trusted autonomy for national-security space missions. The Chief Engineer, Autonomy Space Domain is the senior technical authority responsible for defining, delivering, and sustaining autonomy capabilities that convert distributed space, ground, and payload resourc

Chantilly, VA 20152 • (27.7 miles) • Full Time • $140,000 to $190,000 / yr • 10/31/2026

Vibrint is a trusted provider of mission-critical systems and analysis that transform our customers' capacity and capability in harvesting and harnessing data. Working alongside many of the most talented professionals in public service, we work tirelessly to create and sustain new solutions and services that meet the stringent demands across a variety of customer missions. Our people know they'll be doing work that matters at the heart of the national security mission, exploring new possibilities at the cutting edge of technology. They know they will be well-rewarded and recognized for their commitment. Our people know they will enjoy plentiful opportunities to grow, thrive, and have fun as a member of the Vibrint family. Join Vibrint, where your career is a priority, and your future is ou

Alexandria, VA 22314 • (13.6 miles) • Full Time • 10/30/2026

Job Descript We are hiring an Automation QA Engineer to test software systems used in genomics and life sciences workflows. This is a quality engineering role, not a bioinformatics pipeline development role: you will design, build, and execute automated and manual test coverage for platforms that process genomic and laboratory data, and you will validate that results align with real wet lab and dry lab processes. Strong Python-based test automation skills are essential; genomics/BioE domain knowledge is what separates a good tester on this platform from a great one. Key Responsibilities: Design, develop, and maintain automated test suites (Python-based) for applications supporting genomics, sequencing, and life sciences data workflows. Build and execute test plans, test cases, and regressi

Annapolis Junction, MD 20701 • (15.2 miles) • Full Time • $130,000 to $165,000 / yr • 10/30/2026

Clearance: Active Top Secret/SCI with Full Scope Polygraph required Job Summary: We are seeking a Software Engineer to support a mission-critical platform. The role involves designing, developing, and deploying secure and scalable software solutions using Java and Spring Boot. Key Responsibilities: Design, develop, and deploy new features for the platform. Improve and maintain existing systems. Ensure software is scalable, secure, and high-quality. Troubleshoot and resolve complex technical problems. Collaborate with system architects and cross-functional teams. Required Qualifications: Active Top Secret/SCI Clearance with Full Scope Polygraph. Bachelor's degree in Computer Science, Engineering, or a related field. 5 years of professional software engineering experience. Strong proficiency

Quantico, VA • (36.2 miles) • Full Time • 10/30/2026

Marathon TS is actively hiring a Senior Zero Trust Network Architect / Principal Engineer in support of our Defense Counterintelligence Security Agency (DCSA) program based out of Quantico, VA. We are seeking an industry-leading cybersecurity expert with a deep specialization in Zero Trust Network Architecture (ZTNA) and Secure Access Service Edge (SASE). The successful candidate will serve as the chief technical authority for the design, orchestration, implementation, and long-term governance of our enterprise security boundaries. In this role, you will lead the strategic modernization of DCSA's hybrid workforce infrastructure. You will leverage Palo Alto Networks (Panorama, GlobalProtect) and Versa Networks SASE platforms to establish a highly resilient, identity-aware, and context-drive

Annapolis Junction, MD • (15.2 miles) • Full Time • 10/28/2026

Job Description Job Description:\n\nSenior Software Developer – Kubernetes & Cloud-Native Applications\nLabor Categories: Software Engineer Skill Level 2 / Skill Level 3Required Clearance: Active TS/SCI with Full Scope PolygraphHourly Pay Range: $47.45–$76.05\nWyetech is seeking an experienced Senior Software Developer to lead the development, modernization, integration, and sustainment of a Kubernetes-native application designed to orchestrate and deploy workloads within its own cluster environment.\nThe successful candidate will take technical ownership of a platform integrating a modern web-based user interface, containerized microservices, cloud-native components, and event-driven technologies. This position requires extensive software development experience and strong expertise in Go

Linthicum Heights, MD 21090 • (23.7 miles) • Full Time • $43.27 to $76.92 / hr • 10/28/2026

Job Title: Antenna Test Software Engineer Job Description This role focuses on developing and supporting automated test software and equipment for advanced phased array antenna systems within a mission-focused test engineering organization. You will split your time between hands-on work in lab and antenna range environments and software development in C/C++ and MATLAB, helping to design, integrate, and optimize test solutions for radar, electronic warfare, and other RF systems. The position offers strong exposure to both hardware and software, making it ideal for early to mid-career engineers who want to deepen their experience in RF testing, automation, and data analysis while contributing to complex, real-world defense and aerospace programs. Responsibilities Develop software in C, C++,

Washington, DC 20006 • (7.3 miles) • Full Time • 10/27/2026

Senior Product Manager- Security Engineering Washington DC 20006 – 100% ONSITE Per Federal contract U.S. Citizenship Required Must be able to pass enhanced background screen (criminal, financial, drug) for Public Trust clearance W-2 or C2C Application Deadline: 8/17/2026 PROJECT DESCRIPTION: Product Manager for Security Engineering BACKGROUND: We are seeking a Product Manager to support the Security Engineering team within the IT division. This team is responsible for the strategy, design, deployment, and maintenance of effective security solutions in cloud, local, and hybrid environments. REQUIREMENTS: The candidate shall also demonstrate the below knowledge and experience: • 5+ years of product management experience, with at least 4+ years focused on working with security engineering tea

Chantilly, VA • (24.2 miles) • Full Time • 10/26/2026

Acclaim Technical Services,founded in 2000, is a leading cyber operations, intelligence solutions and operations, network infrastructure, engineering and business enablement and enterprise operations company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top workplace among DC area firms and continues to grow. We are actively hiring a Senior Network / Communications Engineer (Hybrid Cloud + OCONUS Connectivity) with a TS/SCI clearance and polygraph to support a program in Chantilly, VA. In this role, you will design, deploy, and operate the program’s global communications network that connects AWS-hoste