• C++ Software Engineer (DC, NoVA)

    Stellar Science (Vienna, VA)
    …benefits. US Citizenship required + willingness to undergo a background investigation. Active Security Clearance is a plus. Positions are in Tysons Corner, VA ... Stellar Science is seeking several modern C++20/23 Software Engineers with three or more years of industry experience creating reusable, maintainable code solving… more
    Stellar Science (01/08/26)
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  • Vulnerability Researcher: Mid-Level (Applicants…

    Cipher Tech Solutions (Vienna, VA)
    …their research. Requirements: + MUST be a US citizen + Must hold a US government security clearance at the TS Level or higher at time of application + Must ... independently as a Vulnerability Researcher to identify flaws in software . The candidate must be familiar with the latest...required by federal, state, and local law requirements. Important Security Clearance Information: Be aware that you… more
    Cipher Tech Solutions (11/25/25)
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  • Cyber Security Engineer IV

    SOS International LLC (Reston, VA)
    …identity, and cloud workloads aligned with zero-trust principles. + Cloud Security : Engineer guardrails (policies, blueprints, landing zones), encryption, ... worldwide. **Job Description** SOSi is seeking an experienced Cybersecurity Engineer to join our team at SOS International in...clearance , with the ability to obtain a TS/SCI clearance . + One or more relevant certifications: Security… more
    SOS International LLC (12/31/25)
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  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …space? If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate individuals in Warrenton, ... The duties and responsibilities of the Senior Information System Security Engineer (ISSE) include, but are not...open findings of high and at-risk systems. * Perform security assessments on hardware/ software products to include… more
    Amentum (12/05/25)
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  • Security Engineer /Architect…

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …required; US Citizenship required. + 9+ years of experience as an ISSE or security -focused software / systems engineer with large multi-tiered programs and ... interview process. Job Description Enlighten is looking for a Security Engineer /Architect. Candidate will be required to...work. + Other duties as assigned. Minimum Qualifications + Security Clearance - A current TS/SCI level… more
    Huntington Ingalls Industries (12/12/25)
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  • Senior Windows Administrator w/Secret…

    TekSynap (Radford, VA)
    …vision, peripheral vision, depth perception, and ability to adjust focus. **WORK AUTHORIZATION/ SECURITY CLEARANCE ** US Citizen Secret clearance **OTHER ... and tune system performance; perform system hardening; report on security and operational posture. + Lead software /hardware...Five (5) years as a Windows Systems Administrator or Engineer , including 3 years of task automation using PowerShell.… more
    TekSynap (10/25/25)
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  • Senior Citrix Administrator w/Secret…

    TekSynap (Radford, VA)
    …vision, peripheral vision, depth perception, and ability to adjust focus. **WORK AUTHORIZATION/ SECURITY CLEARANCE ** US Citizen Secret clearance **OTHER ... Citrix Storefront, and Citrix Director. + Execute system hardware and software implementations; maintain detailed technical instructions, SOPs, and policies. +… more
    TekSynap (10/25/25)
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  • Tier 3 Application Software Engineer

    SAIC (VA)
    …login issues, app failures, drivers, performance, policy impacts, endpoint security interactions). + Perform advanced root-cause analysis and coordinate with ... US Citizen and able to obtain a DOE Q clearance . Target salary range: $80,001 - $120,000. The estimate...engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation; and training. We are… more
    SAIC (12/16/25)
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  • Network Security Engineer (Splunk)…

    General Dynamics Information Technology (Herndon, VA)
    …etc.) + On-premises and Cloud software solutions for enterprise + ** Security Clearance Level** : TS/SCI with active polygraph + **Desired Certifications:** ... **Req ID:** RQ210958 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top...opportunity to make a personal impact as a Network Security Engineer supporting customer activities. GDIT is… more
    General Dynamics Information Technology (12/15/25)
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  • Middleware Team Lead w/Secret Clearance

    TekSynap (Radford, VA)
    …vision, peripheral vision, depth perception, and ability to adjust focus. **WORK AUTHORIZATION/ SECURITY CLEARANCE ** US Citizen Secret clearance **OTHER ... **RESPONSIBILITIES** + Lead the deployment, administration, and maintenance of middleware software supporting customer applications. + Architect and engineer … more
    TekSynap (10/25/25)
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