• 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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  • 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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  • Applications Engineer III

    NANA Regional Corporation (Washington, DC)
    Suvi is looking for an Applications Engineer III **(PIPELINE POSITION)** to work in Washington, DC. We are seeking a talented Mid Developer to join our team. As ... Definition of Done. + eForms Development: + Design, develop, test , and maintain eForms using tools such as Adobe...Enhance existing eForms to meet 508 compliance standards. + Test eForms for 508compliance using screen readers (eg, JAWS).… more
    NANA Regional Corporation (10/29/25)
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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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  • Systems Administrator III /Tools…

    GovCIO (Bethesda, MD)
    **Overview** GovCIO is currently hiring for Systems Administrator Level III /Tools Engineer , for our NIH-CIT proposal. This position is located in Bethesda, MD ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7278/systems-administrator- iii -tools- engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-MD-Bethesda_ **ID** _2025-7278_… more
    GovCIO (12/18/25)
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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 (Ashburn, 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 (Ashburn, 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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  • Engineer III

    Orbis, Inc. (Washington, DC)
    …Desired: 7 or more years of experience in the overall design, test , qualification, and production of naval shipboard electrical and/or propulsion equipment. ... Knowledge and experience with Submarines and/or the Naval Nuclear Propulsion Program. Experience with large electrical machines and/or power electronics. Degree Requirements: + Required: Master's level degree in any technical or engineering discipline. + Must… more
    Orbis, Inc. (12/24/25)
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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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  • Nissc III Pursuit

    SAIC (Washington, DC)
    …Systems Engineer + Systems Integration Engineer + Technical Writer/Editor + Test Engineer + Training Analyst When threats are among us, the nation needs ... (NCMC) - INTEGRATED TACTICAL WARNING/ATTACK ASSESSMENT (NCMC-ITW/AA) AND SPACE SUPPORT CONTRACT III (NISSC III ).** **Please note that this is contingent upon… more
    SAIC (11/06/25)
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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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  • Subject Matter Expert Level III / Senior…

    GovCIO (Bethesda, MD)
    …Network Architecture Section responsibilities include: + Strategically plan, architect, design, engineer , develop, test , implement, modernize, and enhance the ... GovCIO is currently hiring forSubject Matter Expert - Level III / Senior Network Architect for our NIH-CIT Proposal....Coordinate with the Section Manager to evaluate, design, and test architecture designs and services from the roadmap backlog… more
    GovCIO (12/18/25)
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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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  • Senior Test Engineer

    ASM Research, An Accenture Federal Services Company (Washington, DC)
    The Senior Test Engineer will be responsible for...validation) + Must be prepared to undergo a Tier III investigation for a Public Trust Level 3 clearance. ... the oversight and execution of test scripts, scenarios, evidence, and regression testing across the...+ Drive quality testing solutions by planning and constructing test scripts using quality processes and methodologies for Accenture… more
    ASM Research, An Accenture Federal Services Company (12/23/25)
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  • Test & Evaluation Engineer (AEGIS)

    Serco (Washington, DC)
    …projects supporting the US Navy, then Serco has a great opportunity for you! As the Test & Evaluation Engineer (AEGIS) with Serco, you will be a part of the ... careers@serco-na.com . Click here to apply now (https://careers-sercous.icims.com/jobs/71547/ test -%26-evaluation- engineer -%28aegis%29-%e2%80%93-washington%2c-d.c./job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (11/25/25)
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