Hanover, MD 21076 • (38.6 miles) • Full Time • 8/23/2025

ManTech seeks a motivated, mission-focused Software Test Engineer to join our team in Hanover, MD. As part of a dynamic team, you will support software development initiatives for a mission-critical organization within the Intelligence Community, focused on secure and reliable data dissemination.Responsibilities include, but are not limited to:Analyze source code using automated Software Assurance (SwA) tools and collaborate with team members on assessment results.Develop and execute test methodologies, scoring criteria, and test cases to support SwA tool analysis.Perform software testing and interface with clients to recommend effective remediation strategies.Create technical documentation and comprehensive test reports.Utilize, fine-tune, and evaluate the suitability of SwA tools for spe

Hanover, MD 21076 • (38.6 miles) • Full Time • 9/1/2025

Job ID: 690358BR Date posted: Apr. 07, 2025 Description:WHAT WE'RE DOINGLockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you'll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you'll draw on all your education and experience as well as the resources of Lockheed Martin to

Hanover, MD 21076 • (38.6 miles) • Full Time • 8/23/2025

ManTech seeks a motivated, career and customer-orientedLead CNO Software Engineerto join our team in theHanover, Maryland.Responsibilities include, but are not limited to:Coding and development with Python, Java and Groovy.Performing data analytics on logs, images, and other formats.Working with Databases and General Troubleshooting (tuning and optimization, deadlocks, keys, normalization) in any Relational Database Engines (MySQL, PostgreSQL, Oracle, SQL Server).Using streaming technologies (e.g. Kafka), including customization of data flows.Log analysis and General Troubleshooting (tuning and optimization, Search and Indexing Operations, mapping, monitoring).Working with Elastic Stack (Elastic, Logstash, Beats, Kibana, Fluent etc.) and Opensearch APIs.Perform system and subsystem definit

Hanover, MD 21076 • (38.6 miles) • Full Time • 8/23/2025

ManTech seeks a motivated, career and customer-orientedCNO SoftwareEngineer to join our team in the Hanover, Maryland location. Provides specialized development, testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Develop and code in Python, Java and XML, ensuring software standards are metPerform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a systemResearch requirements for a product, including CNO deployment environment, performance criteria, and competitive issuesDesign for new capabilities or recommendations for improvements to existing capabilitiesDetermining computer user needs; analyzes system capabilities to resolve problems on

Chantilly, VA 20151 • (8.2 miles) • Full Time • 9/3/2025

ManTech seeks a motivated, career and customer-oriented Senior Network Engineer to join our team in Chantilly, VA. This is a position requiring onsite work at customer locations within the local area (up to 10% travel).Responsibilities include but are not limited to:Designing and integrating comprehensive network, VoIP, VTC, and data center solutions, adhering to security guidelines and customer specifications to ensure robust and secure communication infrastructures.Managing the end-to-end integration of black and red networks, overseeing design, installation, maintenance, and coordination of a growing network with multiple external services to support operational needs.Diagnosing and resolving complex issues related to customer sites, telecommunications circuits, routing, switching, VoIP

Springfield, VA 22150 • (19.6 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

Alexandria, VA 22314 • (23.5 miles) • Full Time • 9/9/2025

MANTECH seeks a motivated, experienced career and client-oriented Principal Data Engineer to join our team in Alexandria, VA. In this role, you will collaborate with a team of consultants and engineers to provide sophisticated data integration and data management solutions for Government clients. The ideal candidate will have deep data engineering skills and extensive experience with data engineering tools, as well as a client-oriented approach to applying technology to complex problems.Responsibilities include but are not limited to:Design and implement robust data pipelines to ingest, transform, and integrate data from various systems and networks, ensuring seamless data flow.Collaborate with cloud and system architects to establish secure and efficient data transfer protocols among diff

Annapolis Junction, MD 20701 • (33.9 miles) • Full Time • 8/24/2025

MANTECH seeks a motivated, career and customer-oriented Systems Engineer III to join our team in Annapolis Junction, Maryland.ManTech is currently seeking Systems Engineer III to join our team at Annapolis Junction, MD. We are seeking a Senior Systems Engineer who is a seasoned IT professional responsible for designing, implementing, and a top-level trouble shooter supporting a high-level architecture of an organization's backend infrastructure. You will communicate with other project personnel, Government stakeholders, and senior executives.Responsibilities include but are not limited to:Administer and maintain IT infrastructure by utilizing expert-level knowledge of the Linux operating system, along with deep expertise in server administration, virtualization, and cloud platforms like AW

Stafford, VA 22554 • (37.7 miles) • Full Time • 8/26/2025

ManTech seeks a motivated, career and customer-oriented Model Based Systems Engineer (MBSE) to join our team in Stafford, VA.This is a full-time onsite position where you will provide subject matter expertise to perform MBSE activities using Cameo Systems Modeler in support of a critical Department of Defense (DoD) mission. The ideal candidate will bring significant expertise in systems modeling, operational architecture, and mission thread development in alignment with DoDAF and UAF frameworks.This role is pivotal in supporting mission engineering analysis, capability gap assessment, and architecture development within a highly dynamic and collaborative environment to enable and enhance our Nation's fighting forces.Responsibilities include but are not limited to:Support the development an

Stafford, VA 22554 • (37.7 miles) • Full Time • 8/24/2025

ManTech seeks a motivated, career and customer-oriented Senior Model Based Systems Engineer (MBSE) to join our team in Stafford, VA.This is a full-time onsite position where you will provide subject matter expertise to perform MBSE activities using Cameo Systems Modeler in support of a critical Department of Defense (DoD) mission.The ideal candidate will bring deep expertise in systems modeling, operational architecture, and mission thread development in alignment with DoDAF and UAF frameworks. This role is pivotal in supporting mission engineering analysis, capability gap assessment, and architecture development within a highly dynamic and collaborative environment to enable and enhance our Nation's fighting forces.Responsibilities include but are not limited to:Lead the development and m