• 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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  • Cses III - Firewall Engineer

    CACI International (Springfield, VA)
    CSES III - Firewall Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... TCS has an exciting and challenging opportunity available for a CSES III - Firewall Engineer supporting an Intelligence Community customer's wide-area… more
    CACI International (12/18/25)
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  • Systems Engineer III

    Belcan (Chantilly, VA)
    Systems Engineer III Job Number: 361552 Category: Systems Engineering Description: Job Title: Systems Engineer III Location: Chantilly, VA Zip Code: ... Shift/ 6:30am Keywords: #SystemsengineerJobs #EngineeringJobs #AerospaceJobs JOB DESCRIPTION A Systems Engineer in the Defense and Aerospace Industry plays a crucial… more
    Belcan (12/18/25)
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  • Network Engineer III

    William C Brown Inc (Springfield, VA)
    Network Engineer III EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... characteristic protected by law. Description WCBinc is looking for a Network Engineer to provide support for LAN/WAN by developing network support processes,… more
    William C Brown Inc (12/01/25)
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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 **Mechanical 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 (12/03/25)
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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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  • Lead/ Principal ASME Codes and Standards…

    MPR Associates (Alexandria, VA)
    …plants, researchers and test facilities. We are currently seeking an experienced engineer to guide, challenge, and mentor our growing team in a variety of ... but not limited to: + Perform activities under the scope of a Section III , Appendix XXIII Certifying Engineer + Section III Division 1 Classes 1, 2, 3, and… more
    MPR Associates (10/30/25)
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  • Corporate Enterprise Network Engineer

    TekSynap (Fort Belvoir, VA)
    **Responsibilities & Qualifications** **RESPONSIBILITIES** The Senior Corporate Enterprise Network Engineer performs a variety of network engineering task including ... supporting configuration artifacts such as network maps, detailed designs, test plans, operations readiness test reports, device...one of the following DoD 8570 Baseline IAT Level III certifications + CASP+ CE + CCNP Security +… more
    TekSynap (12/05/25)
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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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  • Senior Network Engineer

    General Dynamics Information Technology (Springfield, VA)
    …Citizenship Required:** Yes **Job Description:** **GDIT is seeking a Senior Network Engineer to help support our Defense Logistics Agency (DLA IOEE/IOSEE) program in ... once a week or based on mission need.** **As a Senior Network Engineer , you will support network engineering design and implementation of technology refreshes. The… more
    General Dynamics Information Technology (12/14/25)
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  • Systems Engineer - Information Support Plan…

    CACI International (Alexandria, VA)
    Systems Engineer - Information Support Plan (ISP) Job Category: Consulting Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... Opportunity:** CACI International Inc. has an immediate opening for a Systems Engineer with Information Support Plan (ISP) Support + Review and assess Information… more
    CACI International (10/31/25)
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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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  • Cyber Security Implementation Engineer

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage ... and applications running on Windows and Linux operating systems + Engineer and implement cybersecurity solutions leveraging cloud services such as EC2,… more
    CACI International (11/14/25)
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  • Information Assurance Security Engineer

    TekSynap (Fort Belvoir, VA)
    …with system owners as needed. + Notify system owners for ATO, Interim Authority to Test (IATT), Annual Security Review (ASR), and Contingency Plan Test (CPT) due ... checklists and SCAP scans. **Certifications** + Minimum of DOD IAM III + **Preferred:** CISM (Certified Information Security Manager), CISA (Certified Information… more
    TekSynap (12/09/25)
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