• Test Engineer III

    Mercury Systems (Chantilly, VA)
    Req. Number 25-553 Job Description Job Summary: Mercury Systems is seeking a Test Engineer III to lead test efforts in developing and executing server ... servers and secure software product lines. + Design and implement robust test procedures that meet military standards (eg, MIL-STD-810, DO-461, DO-167, DO-178C,… more
    Mercury Systems (12/03/25)
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  • Systems Integration and Test

    Solvarus (Chantilly, VA)
    …them and to quickly aid the people who need it. As a Systems Integration and Test Engineer you will be a member of the Verification, Validation and Transition ... + Lead or support the execution of those VV&T activities (eg Test events, transitions, Milestone Readiness Events). + Prepare reports describing the results,… more
    Solvarus (11/02/25)
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  • Test & Evaluation Analyst III

    Skylla Engineering Ltd. (Stafford, VA)
    …and thrive in a fast-paced environment, Skylla Engineering is the place for you. The Test Engineer III will provide test , evaluation planning, ... and provide feedback to the Customer on T&E related matters to include Test Plans, Test Procedures, TEMPs, and other documentation that impact T&E. + Observe the… more
    Skylla Engineering Ltd. (12/19/25)
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  • Network Engineer III

    Chenega Corporation (Corbin, VA)
    Network Engineer III Corbin, VA Join our Talent Network Network Engineer III Corbin, VA Are you ready to enhance your skills and build your career in a ... technology capabilities, to ensure functional optimization in their business. TheNetwork Engineer IIIwill provide network administration and support services for the… more
    Chenega Corporation (01/06/26)
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  • Senior Systems Engineer Tier III

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    **Overview** SENIOR SYSTEMS ENGINEER | TIER III (MIELS): Bowhead is seeking Senior Systems Engineers to support a customer in Stafford, VA. Support for the ... engineering; customer service; research and development of new capabilities; test and evaluation; manpower, training, and personnel; new equipment fielding… more
    UIC Government Services and the Bowhead Family of Companies (01/09/26)
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  • Network Engineer III

    Noblis (Chantilly, VA)
    Responsibilities As a **Network Engineer III ,** you will provide expert leadership in designing, implementing, and managing sophisticated network systems and ... topologies, and networking hardware in classified domains. + Design, deploy, test , certify, and patch critical network components including switches, firewalls, and… more
    Noblis (12/23/25)
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  • DevOps Engineer III

    Noblis (Chantilly, VA)
    Responsibilities As a **DevOps Engineer III ** , you will be responsible for the design, deployment, testing, certification, operations, patching, and addressing ... forensic and investigative ecosystem. **Job Responsibilities:** + Design, deploy, test , certify, and operate DevSecOps infrastructure tools + Address… more
    Noblis (12/20/25)
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  • Traveling Commissioning Engineer III

    Quality Technology Services, LLC (Manassas, VA)
    The **Electrical Commissioning Engineer L3** is responsible for but not limited to Level 3, 4 and 5 commissioning of base building systems and components of a Data ... improvement. * Create and/or review detailed commissioning documentation, including test procedures, reports, and as-built documentation, ensuring accuracy and… more
    Quality Technology Services, LLC (11/27/25)
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  • Software Engineer III

    Noblis (Chantilly, VA)
    …a forensic and investigative ecosystem. **Job Responsibilities** + Design, develop, test , and manage application development projects in support of IT infrastructure ... Git and other source control management systems + Unit testing and test -driven development \#FundedPosition Desired Qualifications + Active TS/SCI with CI Polygraph… more
    Noblis (12/23/25)
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  • Software Engineer III - Backend

    Walmart (Reston, VA)
    …monitoring, performance, scalability, availability, security, and alerting for software test , integration, and production environments. + Plan and implement a ... availability bottlenecks for the application. + Develop, maintain, and enhance automated test cases and deployment procedures. + Follow coding and design best… more
    Walmart (11/07/25)
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  • Deployment Support Technician III , Global…

    Google (Sterling, VA)
    Deployment Support Technician III , Global Server Operations _corporate_fare_ Google _place_ New Albany, OH, USA; Austell, GA, USA; +11 more; +10 more **Early** ... IT equipment or in a similar role (eg, Systems Administration, Network Deployment Engineer , Help Desk Technician, etc.). + Experience working within a data center or… more
    Google (01/06/26)
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  • Critical Environments Operator III

    CyrusOne (Sterling, VA)
    …Experienced with managing key performance indicators as provided by Assistant or Chief Engineer . + Experienced with capacity planning and reporting. + Able to use ... hand tools, test equipment, and be knowledgeable of maintenance shop practices,...+ Knowledge of reflectance, length and decibel loss within test equipment + Knowledge of Visio, AutoCad a plus… more
    CyrusOne (01/15/26)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the ... steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see if we are...+ Develop and recommend modifications based on exercise or test results. + Mitigate or recommend acceptance of identified… more
    Virtual Service Operations (11/09/25)
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  • Information System Security Engineer

    Amentum (Warrenton, VA)
    …If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate individuals in Warrenton, VA. In this ... **Responsibilities:** The duties and responsibilities of the Senior Information System Security Engineer (ISSE) include, but are not limited to, the following: *… more
    Amentum (12/05/25)
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  • Azure DevOps Engineer /Network…

    Idea Entity (Herndon, VA)
    Title: Azure DevOps Engineer Department: Engineer Reports To: Direct of Software Development Location: Herndon, Virginia About Idea Entity At Idea Entity, we ... security, and performance. + Designing and implementing development and test environments for developers. + Implementing DevSecOps infrastructure to...DoD 8570 Certifications (IAT Level II or IAT Level III ). + At least three (3+) years of IT… more
    Idea Entity (01/07/26)
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  • Senior Information Systems Security…

    Amentum (Warrenton, VA)
    …**Responsibilities:** The duties and responsibilities of the **Senior Information System Security Engineer (ISSE)** include, but are not limited to, the following: + ... anomalies and trends. + Primarily responsible for maintaining the test and operational environments to include all cybersecurity tool...one of the following 8140 IAT Level II or III baseline certifications before a start date: + Level… more
    Amentum (01/09/26)
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  • Network Engineer

    Jacobs (Chantilly, VA)
    Knackworks, a Jacobs Company, has an opening for a Network Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support our government customer's global ... a modern service provider network architecture. The job duties of the Network Engineer (CAN/LAN) are as follows: * Interpret customer requirements and apply standard… more
    Jacobs (12/12/25)
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  • Architecture Network Engineer

    Leidos (Chantilly, VA)
    …Modernization Sector at Leidos** **has an opening for a** **Network** ** Engineer (Campus Area Network/Local Area Network (CAN/LAN))** to support global enterprise ... modern service provider network architecture. **The job duties of the Network Engineer (CAN/LAN) are as follows:** + Interpret customer requirements and apply… more
    Leidos (12/09/25)
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  • Network Engineer

    Nightwing (Herndon, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a cleared Network Engineer in the Herndon area. The selected candidate will work as part of ... Perform post design support to include installation, configuration, and tier III /IV, O&M support for both enterprise and field deployed systems including… more
    Nightwing (12/23/25)
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  • Sr. Associate, Manufacturing Engineer

    L3Harris (Orange, VA)
    …domains in the interest of national security. Job Title: Sr. Associate, Manufacturing Engineer Job Code: 28941 Job Location: Orange, VA Job Schedule: 1st Shift, 9/80 ... Description: Aerojet Rocketdyne, an L3Harris Segment, is seeking a Manufacturing Engineer to support the modernization and automation of production facilities,… more
    L3Harris (12/19/25)
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