Port Royal, VA 22535 • (14.5 miles) • Full Time • 9/12/2025

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are seeking an experienced Software Developer to provide engineering support in an Agile development environment for the Tomahawk program. As part of a Scrum team, you will be performing software design, implementation, and test, documentation, and defect analysis, as well as CI/CD pipeline development. This is a journeyman-to-senior level position requiring a minimum of 5 years of professional experience. Must be willing to work on-site at Dahlgren Naval Base 4+ days/week. Travel: Likely none. Clearance: An ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requ

Quantico, VA 22134 • (20.5 miles) • Full Time • 8/30/2025

ManTech seeks a motivated, career and customer-oriented Simulation Developer to join our team in Quantico, VAResponsibilities include but are not limited to:Designs, develops, and sustains simulation models and environments using a variety of programming languages, tools, and data sourcesIntegrates simulations into larger system architectures and supports Naval Capabilities Integration Process (NCIP) efforts for interoperability testingCollaborates with engineers, analysts, and operational subject matter experts to enhance model fidelity and ensure simulation accuracyImplements new features, conducts model testing and validation, and troubleshoots issues across evolving simulation platformsLeads and supports planning, coordination, and documentation activities for simulation projects, incl

Port Royal, VA 22535 • (14.5 miles) • Full Time • 9/12/2025

Overview: SimVentions, consistently voted one of Virginia's Best Places to Work, is looking for a Junior Test Automation Software Developer to join our team supporting a US Naval Weapons System. Position requires close collaboration and teamwork with a strong ability to work independently and be self-motivated. This role is located 5 days a week on-site at the NSWC at Dahlgren Naval Base in King George, VA. Travel: Limited Regional Clearance: An ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: Minimum 1 year of experience in software or systems testing.Excellent written and v

Springfield, VA 22150 • (41 miles) • Full Time • 8/29/2025

MANTECH is seeking a motivated, career and customer-oriented Software Engineer to join our team in the Springfield, VA area.Responsibilities include, but are not limited to:Provide expert guidance on Enterprise Asset Management; Identify, recommend, and implement agreed upon leading industry practices, process methodologies, new technologies, and streamlined approaches that afford the client the ability to improve system performance.Provide support to maintain IBM's Maximo to ensure that all Maximo Users have a stable platform to perform daily operations; support reporting capabilities and requirements that streamline and reduce where possible, the manual input of existing data.Provide technical and business-level assistance, incident resolution, and daily support to the Maximo user commun

Dahlgren, VA 22448 • (23.6 miles) • Full Time • 9/12/2025

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are seeking a Senior Software Developer to support a government team developing advanced simulations onsite at NSWCDD. Clearance: An ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: 12+ years experience with software development related to tactical simulationsProficiency in modern C/C++ and JavaProficiency with FORTRAN and AdaExperience writing software for the TTWCSExperience with Real-Time systemsExcellent oral and written communication skills Re

Springfield, VA 22150 • (41 miles) • Full Time • 9/11/2025

MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Detections Engineer to join our team in Springfield, VA.This role supports our Cyber Operations mission by providing critical detection and response capabilities. You will be part of an industry-leading organization where employees come first, and you'll help defend national security while working on rewarding projects with room for growth and innovation.Responsibilities include but are not limited to:Formulating and publishing custom Security Information and Event Management (SIEM) tool content and IDS/IPS signatures to address threatsPerforming security event and incident correlation using information gathered from a variety of sources within the enterpriseAnalyzing and assessing damage to the data/infrastructu

Dahlgren, VA 22448 • (23.6 miles) • Full Time • 8/23/2025

Overview: SimVentions is looking for a mid to senior level embedded software developer to help develop government systems onsite at NSWCDD. Travel: Travel on occasion within Continental US. Clearance: An ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: 5 Years experience with embedded softwaredevelopment related to microcontrollers or similar devicesProficiency in CExperience in C#Experience with gitExperience with software debugging and associated toolsExperience with hardware debugging at the logical level and associated toolsExperience with Code Composer Studio and/or MPLA

Springfield, VA 22150 • (41 miles) • Full Time • 8/20/2025

MANTECH seeks a motivated and mission-drivenSenior Cyber Intelligence Analystto join our team inSpringfield, VA.In this role, you will support critical cyber intelligence operations through focused analysis, coordination, and reporting to help defend national security networks against advanced threats. You will be central to identifying emerging cyber threats, analyzing activities of adversaries, and providing timely, actionable intelligence to stakeholders.Responsibilities include, but are not limited to:Managing cyber–intelligence requirements and directing cyber intelligence collection effortsIdentifying emerging cyber technologies, capabilities, or weapons that may threaten U.S. or Allied systemsConducting multi-intelligence, all-source, and cyber threat intelligence analysis of curren

Dahlgren, VA 22448 • (23.6 miles) • Full Time • 9/1/2025

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are seeking an experienced Software Developer to provide engineering support in an Agile development environment for the Tomahawk program. As part of a Scrum team, you will be performing software design, implementation, and test, documentation, and defect analysis. This is a journeyman-to-senior level position requiring a minimum of 5 years of professional experience. Must be willing to work on-site at Dahlgren Naval Base 4+ days/week.** Future Funded Travel: Very rare. Less than 10%. Clearance: A DOD Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for a

Coltons Point, MD 20626 • (37 miles) • Full Time • 8/26/2025

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for compliance with Naval Air Systems Command (NAVAIR) and Defense Information Systems Agency (DISA) policies for Linux and Windows-based operating systems. We are looking for an out-of-the-box thinker equally comfortable performing installs, patches, upgrades, and troubleshooting for servers as they are building new infrastructure servers or solving complex problems related to Continuous Integration / Continuous Development (CI/CD) pipelines. This position is located at NAVAIR Station Pax River in St. Mary's County, MD and requires daily on-site presence. Clearance: A Top-Secret Clearance is require

Coltons Point, MD 20626 • (37 miles) • Full Time • 8/23/2025

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are seeking a detail-oriented candidate with extensive knowledge of computer or software engineering, and an interest in shaping acquisition efforts and documentation to support the Standard Tester of Reprogrammable Munitions (STORM) Major Capability Acquisition Program (ACAT-III). This position is located at NAVAIR Station Pax River in St. Mary's County, MD and requires daily on-site presence. Clearance: An ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requi

Coltons Point, MD 20626 • (37 miles) • Full Time • 9/4/2025

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are seeking a detail-oriented candidate with extensive knowledge of computer or software engineering, and an interest in shaping acquisition efforts and documentation. Ideal candidates will have thorough knowledge and experience working with avionics systems, components, and software. This position is located at NAVAIR Station Pax River in St. Mary's County, MD and requires daily on-site presence. Clearance: An Interim ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clear