• Systems Engineer III

    Belcan (Chantilly, VA)
    Systems Engineer III Job Number: 361552 Category: Systems Engineering Description: Job Title: Systems Engineer III Location: Chantilly, VA ... / 1st Shift/ 6:30am Keywords: #SystemsengineerJobs #EngineeringJobs #AerospaceJobs JOB DESCRIPTION A Systems Engineer in the Defense and Aerospace Industry plays… more
    Belcan (12/18/25)
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  • Systems Engineer III

    Noblis (Chantilly, VA)
    Responsibilities As a ** Systems Engineer III ** you will provide leadership in planning, designing, and implementing sophisticated additions and changes to ... network hardware, infrastructure server environments, and operating systems with special emphasis on Top Secret classification enclaves. Your experience in Nutanix… more
    Noblis (12/22/25)
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  • Systems Engineer III

    NANA Regional Corporation (Alexandria, VA)
    ADM is looking for a Systems Engineer III to work in Alexandria, VA. To join our team of outstanding professionals, apply today! **Responsibilities** + Serve ... in installing, configuring, and administering Windows Servers and Windows operating systems . + Responsible for the overall systems infrastructure including… more
    NANA Regional Corporation (12/23/25)
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  • Test Engineer III

    Mercury Systems (Chantilly, VA)
    …Number 25-553 Job Description Job Summary: Mercury Systems is seeking a Test Engineer III to lead test efforts in developing and executing server systems ... environmental, stress, and security testing of hardware and software systems , ensuring performance in extreme conditions and mission-critical environments. +… more
    Mercury Systems (12/03/25)
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  • Systems Integration and Test…

    Solvarus (Chantilly, VA)
    …warfighters who need 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, ... national assets, associated ground segments and services, and information processing systems within the enterprise. Duties include: + Evaluation of architecture,… more
    Solvarus (11/02/25)
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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 ... an exciting and challenging opportunity available for a CSES III - Firewall Engineer supporting an Intelligence...+ Experience with plans, designs, and evaluations of security systems and architectures. + Experience with Unix, RHELS OS,… more
    CACI International (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 ... Your expertise will ensure the reliability, security, and performance of network systems that enable users to access highly sensitive data securely across complex… 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 ... DevSecOps infrastructure tools + Address interoperability issues for all operating systems , support libraries, components, and application dependencies + Deploy and… 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 ... units, humidifiers, sequence of operations, and Building Management and automation systems . other building subsystems and finishes. This role requires work hours… 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 ... operational standards. * Conduct thorough commissioning activities, ensuring that all systems are installed, tested, and validated according to industry standards… more
    Quality Technology Services, LLC (11/27/25)
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  • Software Engineer III

    Noblis (Chantilly, VA)
    …design and development + Git and other source control management systems + Unit testing and test-driven development \#FundedPosition Desired Qualifications + ... Active TS/SCI with CI Polygraph + Bachelor's degree in Computer Science, Engineering, or related field + Experience with SAFe Agile framework + Solid understanding of forensic and investigative data requirements + Demonstrated experience designing and… more
    Noblis (12/23/25)
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  • Cyber Security Operations Specialist III

    CACI International (Springfield, VA)
    Cyber Security Operations Specialist III - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee ... Opportunity:** Join our team as a CSOC Tier 3 Engineer and play a critical role in cybersecurity incident...Incident Case Management System (ICMS), and other authorized reporting systems . + Develop, maintain, and execute custom scripts, tools,… more
    CACI International (11/21/25)
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  • Test & Evaluation Analyst III

    Skylla Engineering Ltd. (Stafford, VA)
    …a fast-paced environment, Skylla Engineering is the place for you. The Test Engineer III will provide test, evaluation planning, development, execution and ... process. + Prepare for and support Test Readiness Review (TRR) events and Systems Engineering Technical Review (SETR) events. + Review test reports for adequacy and… more
    Skylla Engineering Ltd. (12/19/25)
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  • Software Developer III

    General Atomics (Chantilly, VA)
    …Atomics - Integrated Intelligence Inc. (GA-Intelligence) is looking for a Software Engineer to join our Federal team, shaping the future of situational awareness ... in real time or dive into detailed history. Join our growing team in taking our systems to the next level, giving end-users the power to see beyond the data and… more
    General Atomics (12/11/25)
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  • Software Developer III

    General Atomics (Chantilly, VA)
    …(GA-Intelligence), an affiliate of General Atomics, maintains and deploys production systems for users across the Intelligence Community, Department of Defense, and ... of data from numerous streaming data sources in near real time. Our systems apply state-of-the-art algorithms and machine learning techniques to extract features and… more
    General Atomics (12/11/25)
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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 ... next steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see if we are a good match! Opportunity: We are building a team of… more
    Virtual Service Operations (11/09/25)
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  • Cleared Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    Cleared Information Systems Security Engineer (ISSE) L3 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the next ... steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and...and testing activities. Required Qualifications: + Certification: IAT/IAM/IASAE Level III (DoD 8570 compliant) + Technical Expertise: Advanced skills… more
    Virtual Service Operations (10/04/25)
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  • Senior Network Systems Engineer

    SMX (Dahlgren, VA)
    Senior Network Systems Engineer (4416)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated Senior Network ... Systems Engineer to join our team in...Systems Engineer to join our team in support of Naval...fiber optics, firewalls and cable plant designs + IAT III certification such as CISSP, CISM, GSLC, CASP or… more
    SMX (11/14/25)
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  • Systems Engineer - Information…

    CACI International (Alexandria, VA)
    Systems Engineer - Information Support Plan (ISP) Job...for the DoD CIO. + Support reviews of DoD IT systems to ensure compliance with Subtitle III of ... **The Opportunity:** CACI International Inc. has an immediate opening for a Systems Engineer with Information Support Plan (ISP) Support + Review and assess… more
    CACI International (10/31/25)
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