• 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 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, ... USD $88,336.00 /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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  • 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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  • Systems Engineer 3/Senior Network…

    GovCIO (Bethesda, MD)
    **Overview** GovCIO is currently hiring for a Systems Engineer - Level III / Senior Network Architect; SME in Site-to-site and Remote Access VPN for our ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7283/ systems - engineer -3-senior-network-architect/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-MD-Bethesda_ **ID** _2025-7283_… more
    GovCIO (12/18/25)
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  • Nondestructive Evaluation Engineer Level…

    Precise Systems, Inc. (Bethesda, MD)
    …and the Precise solution. We are seeking a highly skilled Nondestructive Evaluation (NDE) Engineer - Level III to join our team supporting advanced inspection ... As a solutions-based company, Precise Systems is focused on innovation in support of the warfighters and aligning our expertise to deliver the highest quality of… more
    Precise Systems, Inc. (10/03/25)
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  • Software Engineer III

    TheIncLab (Mclean, VA)
    …and where your career can meet purpose as well. We are looking for a Senior Software Engineer III to join our R&D team. We encourage you to apply and take the ... Mission, Should You Choose to Accept As a Software Engineer III on our R&D team, you...+ A bachelor's degree in engineering, Computer Science, Information Systems . + 5+ years of experience in software development… more
    TheIncLab (09/26/25)
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  • Software Engineer - III

    TheIncLab (Mclean, VA)
    At TheIncLab, we engineer and deliver advanced systems that...as well. We are looking for a Senior Software Engineer III to join our Engineer ... and government stakeholders to tackle the intricate challenges of systems critical to national security and defense. You will...Mission, Should You Choose to Accept As a Software Engineer - III at TheIncLab, you will… more
    TheIncLab (12/06/25)
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  • Engineer III , Digital Forensics…

    PenFed Credit Union (Mclean, VA)
    Overview PenFed is hiring a (Hybrid) Engineer III , Digital Forensics & Incident Response at our Tysons, Virginia; San Antonio, Texas; Irving, Texas or Omaha, ... over the DFIR Incident Handler/Analyst Team + Forensically analyzed end user systems and servers found to have possible indicators of compromise. + Provide… more
    PenFed Credit Union (12/05/25)
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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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  • Validation Engineer III

    ThermoFisher Scientific (Frederick, MD)
    …make the world healthier, cleaner and safer. **What will you do?** As a Validation Engineer III , you will be responsible to interact with several departments to ... provide validation support for computer systems , equipment and processes, along with the critical utilities...activities are performed on time to keep all validated systems in a validated state. This role requires full-time… more
    ThermoFisher Scientific (12/04/25)
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  • Data Center Infrastructure Engineer

    Amazon (Herndon, VA)
    Description Employer: Amazon Data Services, Inc. Position: Data Center Infrastructure Engineer III (multiple positions available) Location: Herndon, Virginia ... closing gaps by performing thorough on-site audits to ensure suppliers' quality systems , products, and processes are meeting AWS Quality and product specification… more
    Amazon (12/10/25)
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  • Software Development Engineer III

    Amazon (Herndon, VA)
    …team that's transforming AWS operations - Drive technical innovation in distributed systems and operational excellence - Lead and architect solutions that impact ... teams - Design and maintain scalable, simple, and maintainable systems - Effectively communicate technical designs and decisions to...audiences A day in the life As an SDE III on our team, you'll collaborate with engineers, product… more
    Amazon (11/13/25)
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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 ... 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 (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 ... 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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  • Engineer III

    General Atomics (Herndon, VA)
    …affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted ... technologies. We have an exciting opportunity for a FPGA Engineer within the CSS team which is part of...the CSS team which is part of our Electromagnetic Systems group. The position would be located in Herndon,… more
    General Atomics (12/11/25)
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  • Mechanical Design Engineer III

    Southland Industries (Dulles, VA)
    **Position Summary** Lead, evaluate, design, and engineer projects and systems to specification on projects ranging from new design/build to rehabilitation of ... existing facilities and systems . Provide ongoing technical guidance and engineering issue resolution...specifications related to HVAC, plumbing, fire protection or other systems + Performs complex calculations for a project, such… more
    Southland Industries (09/27/25)
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  • Software Engineer III - Backend

    Walmart (Reston, VA)
    …Option 1: Bachelor's degree in computer science, computer engineering, computer information systems , software engineering, or related area and 2 years' experience in ... software engineering or related area.Option 2: 4 years' experience in software engineering or related area. **Preferred Qualifications ** _Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred… more
    Walmart (11/07/25)
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