• 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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  • Systems Engineer III

    First Division Consulting (Stafford, VA)
    …to read below and join the FirstDiv team! First Division Consulting is hiring a Systems Engineer III to fill a hybrid role located in Stafford, VA. The Systems ... Engineer III (SE III ) will...Engineer III (SE III ) will support Marine Corps...Manage all aspects of Systems Engineering (SE) and some Test & Evaluation (T&E) policies and procedures of the… more
    First Division Consulting (11/18/25)
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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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  • Data Engineer III

    Amazon (Arlington, VA)
    …MULTIPLE POSITIONS AVAILABLE Employer: AMAZON.COM SERVICES LLC Offered Position: Data Engineer III Job Location: Arlington, Virginia Job Number: AMZ9081156 ... Position Responsibilities: Design, develop, implement, test , document, and operate large-scale, high-volume, high-performance data structures for business… more
    Amazon (12/16/25)
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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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  • Engineer III

    General Atomics (Herndon, VA)
    …wireless and laser technologies. We have an exciting opportunity for a FPGA Engineer within the CSS team which is part of our Electromagnetic Systems group. ... definition, avionics hardware development and implementation, and system integration, test , and verification for spacecraft and associated flight-payload/ground electronics.… more
    General Atomics (12/11/25)
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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 - 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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  • Information System Security Eng (ISSE) III

    Global Resource Solutions (Arlington, VA)
    …orientated, and talented individual for the position of Information System Security Engineer III . Job Description: Summary: The Information System Security ... Engineer (ISSE) III , is primarily responsible for conducting information system security...alarms/rules and summary reports + Write and execute cybersecurity test procedures for validation of control compliance + Monitor/analyze… more
    Global Resource Solutions (12/19/25)
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  • Python Developer III

    Noblis (Chantilly, VA)
    Responsibilities As a **Software Engineer III ** you will be responsible for the design, development, testing, and management of application development projects ... a forensic and investigative ecosystem. **Job Responsibilities** + Design, develop, test , and manage application development projects in support of IT infrastructure… more
    Noblis (12/23/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …on every client you work with. ARSIEM is looking for an experienced Cloud Engineer with strong Red Hat Enterprise Linux (RHEL) experience to design, implement, and ... test cloud-based infrastructure and services, with a focus on...experience. + 6+ years of experience as a Cloud Engineer , Linux Systems Engineer , or similar role.… more
    ARSIEM (11/12/25)
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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 (10/16/25)
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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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