• Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... security section grows, so will the tools and the ** Senior Security Engineer ** will be the person...PowerShell) + Experience with Windows Server 2012/2016 /2019 and Active Directory **Preferred Qualifications and Skills** + Excellent oral… more
    CoStar Realty Information, Inc. (10/24/25)
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  • Senior Malware Engineer

    Leidos (Alexandria, VA)
    **Description** Leidos has a current job opportunity for a ** Senior Malware Engineer ** on the DISA GSM-O program in Alexandria, VA.An active Top Secret ... techniques, procedures, and will aid in discovering other affected or vulnerable systems , establishing a more concrete framework for attribution, and drive the… more
    Leidos (10/31/25)
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  • Senior Service Engineer - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    **Overview** Microsoft has an exciting opportunity for a Senior Service Engineer to join the Azure Silver and Sovereign Team as part of the Cloud Transfer ... team and solve complex problems in the domain of mission-critical distributed systems spanning data transmission across clouds. Our team works across all facets… more
    Microsoft Corporation (12/11/25)
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  • Senior Cloud Engineer

    Solvarus (Chantilly, VA)
    …who need them and to quickly aid the people who need it. As a Senior Cloud Engineer you will be responsible to define the implementation approaches and ... efficiencies for the utilization of cloud services. Qualifications: + Active TS/SCI Security Clearance with CI Poly + STEM...with CI Poly + STEM degree or higher in Systems Engineering or in related technical or scientific fields… more
    Solvarus (12/14/25)
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  • Network / Communications Engineer (Full…

    Parsons Corporation (Reston, VA)
    …VSAT systems and training methodologies. **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ This ... **Job Description:** Parsons is looking for an amazingly talented **Network / Communications Engineer ** to join our team! In this role you will get to research,… more
    Parsons Corporation (12/24/25)
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  • Senior Software Engineer - CTJ - Top…

    Microsoft Corporation (Reston, VA)
    **Overview** The SCS Security Health team is looking for a ** Senior Software Engineer ** to help secure Microsoft's clouds through innovative, cloud-native ... environments. In this role, you'll solve complex security and systems challenges in a fast-paced, agile setting. You'll work...following specialized security screenings: + Candidates must have an active TS and be willing to upgrade to TS/SCI… more
    Microsoft Corporation (12/21/25)
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  • ABAD Senior Network Engineer **This…

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented ** Senior ** **Network Engineer ** to join our team! In this role you ... IPFIX to monitor and troubleshoot networking issues on critical systems . + Work with Systems Engineers to...of new and emerging networking technologies and capabilities. + Active DoD Secret Clearance ​required + This position is… more
    Parsons Corporation (12/02/25)
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  • Senior Software Engineer

    ManTech (Alexandria, VA)
    MANTECH seeks a motivated, career and customer-oriented ** Senior ** **Software Engineer ** to join our team in **Alexandria, VA** . As part of the position, you ... will act as a Software Engineer designing and implementing services and components for AI...years (7 with Master's) of experience in software development, systems integration, data management, or related fields. + Experience… more
    ManTech (01/01/26)
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  • Nuclear Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Nuclear Engineer , Senior Key Role: Provide nuclear weapons effects subject matter expertise to client research and development (R&D) modeling and simulation ... supervisors or managers. Basic Qualifications: + 8+ years of experience with systems engineering approaches to nuclear weapons effects or development and use of… more
    BOOZ, ALLEN & HAMILTON, INC. (12/20/25)
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  • Senior Principal Software Engineer

    Oracle (Richmond, VA)
    …leading the charge in healthcare innovation, and we are seeking an exceptional ** Senior Principal Software Engineer ** to join our **Healthcare Agents Engineering ... to patient communication to reimbursement processes. Your expertise in backend systems , data platforms, and distributed architecture will directly enable AI-first… more
    Oracle (11/25/25)
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