• Test Engineer (Multiple Levels)

    Noblis (Chantilly, VA)
    Responsibilities As a Test Engineer , you will be responsible for creating software tests, automating test cases, performing application testing, validating bugs, and ... + Security testing methodologies + Performance and load testing + Test data management + Risk-based testing approaches + Test environment configuration + Continuous… more
    Noblis (09/03/25)
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  • Senior Network Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior Network Engineer , you will design, install, maintain, and evaluate network systems and communications. You will gather user network ... (Unclassified, Secret, and Top Secret) that enables users to access data securely across the network infrastructure. **Job Responsibilities** + Design, install,… more
    Noblis (09/03/25)
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  • Senior Systems Engineer

    SAIC (Alexandria, VA)
    **Description** SAIC is hiring a **Senior Systems Engineer ** with experience in defense weapon systems and acquisition policy to join our energized team in support ... tools, and technologies for development of new analytics, including data -and-event-driven analytics supporting MOSA. + Collaborate with various engineering teams… more
    SAIC (08/21/25)
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  • Senior Cyber Security Engineer

    ManTech (Reston, VA)
    MANTECH seeks a motivated, career and customer-oriented **Senior Cyber** **Security Engineer ** to join our team **onsite** in **Herndon, VA or Reston, VA** to ... acceptance of an Authorization to Operate (ATO) for the new Modern Data Platform (MDP) transformation + Support ISSE/ISSO tasking, including the documentation and… more
    ManTech (08/20/25)
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  • Communications Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Senior Communications Systems Engineer to provide systems engineering and technical advisory (SETA) services to our Government ... provide feedback. + Monitor enterprise and system test and review verification/validation data . + Monitor contractor level risks and track mitigation progress. +… more
    SAIC (08/07/25)
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  • Senior Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is looking for a Senior Systems Engineer with experience supporting system and satellite verification and validation efforts to support a very ... on-orbit checkout. + Author, review, and coordinate documents, briefings and data to aid the Government in communications and decision-making. **Qualifications** +… more
    SAIC (08/07/25)
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  • Software Engineer -TS/SCI

    CACI International (Sterling, VA)
    Software Engineer -TS/SCI Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... developing, and maintaining cutting-edge mission management applications built on cloud -native, microservices architectures. As a software developer on this program,… more
    CACI International (08/02/25)
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  • Senior Offensive Cyber Engineer

    ManTech (Quantico, VA)
    MANTECH seeks a **Senior Offensive Cyber Engineer ** to perform analysis of cybersecurity packages using the Risk Management Framework (RMF) process to achieve an ... current system security configurations to include hardware and software components, data flow, interconnections, and ports, protocols, and services, etc. + Perform… more
    ManTech (08/01/25)
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  • Python Developer/Automation Engineer

    Leidos (Ashburn, VA)
    …(LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud , security devices, servers and workstations. The CBP SOC is ... confirmed security violations. Leidos is seeking a Python Developer/Automation Engineer to join our team. As a member of...abilities, as well as internal equity, alignment with market data , applicable bargaining agreement (if any), or other law.… more
    Leidos (07/29/25)
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  • Cybersecurity Engineer - Mid-Level

    Tyto Athene (Fort Lee, VA)
    **Description** Tyto Athene is searching for a **Cybersecurity Engineer - Mid-Level** to support the Defense Commissary Agency (DeCA) in Fort Gregg Adams, VA. ... X, Linux, etc.) commonly deployed in enterprise networks. + View and analyze NetFlow data and packet capture (PCAP). + View logs derived from network devices and… more
    Tyto Athene (07/29/25)
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