• High-Performance Computing (HPC) Engineer

    CACI International (Frederick, MD)
    …new backend systems to support technical improvements. **Qualifications** _Required:_ + Top Secret SCI security clearance preferably with a recent polygraph. ... High-Performance Computing (HPC) Engineer Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (10/29/25)
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  • Cyber Security Engineer (SME)

    GovCIO (San Antonio, TX)
    …will be an onsite position. **Responsibilities** Required Skills and Experience + Clearance Required: Top Secret /SCI + CISSP or other cert that meets 8570 IAT ... **Overview** GovCIO is currentlyhiring fora Cybersecurity Engineer SME to support a Zero-Trust Architecture modernization...III is required + Technical experience with multiple operating systems , such as Windows, Linux, orESXi + Experience with… more
    GovCIO (10/02/25)
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  • Senior Systems Engineer

    TAD PGS, Inc. (Washington, DC)
    …**US Citizenship is required.** **Candidate must possess an Active Top Secret /SCI Security Clearance.** This JIRA engineer designs, implements, and maintains ... software asset management tool. + Installs, configures, tests, and maintains operating systems , application software , and the software asset management… more
    TAD PGS, Inc. (10/07/25)
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  • Staff Information Security Engineer…

    Zscaler (Washington, DC)
    …change control processes within the SCIF **Minimum Qualifications** + US citizenship and active US Top Secret ( TS ) clearance (must be maintained) + 5+ years ... vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling...strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management … more
    Zscaler (10/11/25)
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  • Software Engineer 3

    Synergy ECP (Fort Meade, MD)
    …expression, age, disability, veteran status, or any other protected class. Clearance Required: TS /SCI w/ Polygraph Software Engineer Level 3 LCAT ... Software Engineer 3 Ft. Meade, MD...tests, deploys, documents, maintains, and enhances complex and diverse software systems based upon documented requirements. These… more
    Synergy ECP (10/28/25)
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  • Software Development Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …technical documents and briefings + Must be able to obtain and maintain a Top - Secret security clearance Preferred Skills and Experience + Experience with Agile ... Solutions develops and fields transformative, affordable technology, platforms, and systems for United States National Security related customers, allies, and… more
    Kratos Defense & Security Solutions, Inc. (10/24/25)
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  • Software Engineer (508 Compliance…

    Saliense Consulting (Arlington, VA)
    … Secret clearance to be considered and must be eligible to obtain a Top Secret clearance. Position Description: Technical 508 Compliance SME to join our team ... (ONR) in Arlington, VA. Candidates must possess an active Secret Clearance to be considered. The Technical 508 Compliance...software and hardware. + Tests programs, processes, and systems to measure the accessibility and Section 508 compliance… more
    Saliense Consulting (10/01/25)
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  • Sr. Software Engineer

    BigBear.ai (Herndon, VA)
    Overview Software Engineer Location: On-site - Herndon, VA Clearance Required: Active TS /SCI (Polygraph preferred) Make an Impact with BigBear.ai Are you ... in the real world? BigBear.ai is looking for a Software Engineer to join our mission-driven team...cross-functional Scrum team to design, develop, and deliver impactful software solutions + Enhance and maintain existing systems… more
    BigBear.ai (08/16/25)
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  • Lead, Architectural Design and Network…

    L3Harris (Salt Lake City, UT)
    …sea and cyber domains in the interest of national security. Job Title: Lead, Systems Engineer Job Code: 27806 Job Location: USA-UT-Salt Lake City Job Schedule: ... every other Friday off Job Description: The Lead, Network Systems Engineer will be responsible for the...be able to maintain an active US Government DOD Top Secret Clearance Required Qualifications: + Bachelor… more
    L3Harris (08/22/25)
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  • Senior Software Engineer

    CACI International (Laurel, MD)
    Senior Software Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... **The Opportunity** Join our dynamic team as a Senior Software Engineer and contribute to the maintenance...development initiatives while ensuring the smooth operation of existing systems . If you thrive in a fast-paced environment, are… more
    CACI International (10/12/25)
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