• Senior DevSecOps Engineer

    Leidos (Alexandria, VA)
    …systems that keep our nation secure and resilient. We're seeking a highly capable Senior DevSecOps Engineer to spearhead cloud initiatives for the United States ... leading the charge in next-generation technology-designing advanced capabilities in cyber defense, logistics optimization, security operations, and decision intelligence.… more
    Leidos (09/26/25)
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  • Senior Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is looking for a Senior Systems Engineer with experience supporting system and satellite verification and validation efforts to support a ... solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We… more
    SAIC (11/06/25)
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  • Senior Specialty Engineer

    SAIC (Hampton, VA)
    **Description** SAIC is seeking a highly experienced ** Senior Specialty Engineer ** to develop requirements for game changing combat capabilities for the Air ... solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We… more
    SAIC (10/22/25)
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  • Senior Systems Engineer

    Leidos (Alexandria, VA)
    **Description** Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber , logistics, security ... Business Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate will lead systems… more
    Leidos (10/11/25)
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  • Senior Systems Engineer

    SAIC (Chantilly, VA)
    …knowledge while increasing their responsibilities. SAIC has an opening for a Senior Systems Engineer to provide Systems Engineering and Technical Assistance ... solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We… more
    SAIC (08/22/25)
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  • Senior Cybersecurity Malware Reverse…

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Cybersecurity Malware Reverse Engineer ** to join our team in the **DC, Maryland, and ... and security events to contain and mitigate incidents. You will research cyber -attacks, malware, and threat actors to determine potential impact and develop… more
    ManTech (11/14/25)
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  • Senior Information System Security…

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Engineer (ISSE)** to join our team in **Quantico, VA.** ... system(s). Ensure that the design of hardware, operating systems, and software applications adequately address cybersecurity requirements for the IS and Network… more
    ManTech (11/12/25)
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  • Corporate Enterprise Network (WAN) Network…

    TekSynap (VA)
    …Sensitive Clearance **Overview** We are seeking a Corporate Enterprise Network (WAN) Network Engineer - Senior to join our team supporting Cloud and ... troubleshooting, and performance optimization. + Integrate network hardware and software solutions to support organizational and mission objectives. + Assist… more
    TekSynap (11/08/25)
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  • Senior Information Systems Security…

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is currently hiring a ** Senior ** **Information Systems Security Engineer ** for a program with the US Coast Guard. This position will be ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7062/ senior -information-systems-security- engineer -%28sme%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Alexandria_ **ID** _2025-7062_… more
    GovCIO (11/07/25)
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  • Senior Platform Engineer

    Koniag Government Services (Alexandria, VA)
    …Services,** a Koniag Government Services company **,** is seeking a highly skilled Senior Platform Engineer with a Secret clearance to support **KSS** and ... maintaining scalable platform solutions that empower development teams to deliver high-quality software efficiently and securely. The ideal candidate is an expert in… more
    Koniag Government Services (08/29/25)
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