• 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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