• FedRAMP Senior Cyber Engineer…

    Noblis (Richmond, VA)
    …automation techniques + Security testing and penetration testing experience + Vulnerability management experience + API development and security practices ... Responsibilities Are you a Cyber Security professional or a Cloud Computing Engineer /Architect interested in Cyber Security? Are you looking to make an impact across… more
    Noblis (07/30/25)
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  • Cybersecurity Engineer Senior

    Amentum (Chantilly, VA)
    Amentum is seeking a **Cybersecurity Engineer Senior ** to support our **FEDSIM United States Army National Guard (G2 IS3)** contract. **Responsibilities:** + ... solutions to support ARNG Intelligence networks and systems, integrating risk management strategies and compliance with DoD and Intelligence Community (IC) policies.… more
    Amentum (09/27/25)
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  • Senior Information System Security…

    ManTech (Chantilly, VA)
    ManTech is seeking a motivated, career and customer-oriented ** Senior Information System Security Engineer (ISSE)** to join our team **in Chantilly, VA.** ... system(s) designs support the incorporation of FBI directed cybersecurity vulnerability solutions. **Minimum Qualifications:** + Bachelor's Degree and 8 years'… more
    ManTech (09/26/25)
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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) designs support the incorporation of FBI directed cybersecurity vulnerability solutions. **Minimum Qualifications:** + Bachelor's plus minimum 8 years'… more
    ManTech (08/13/25)
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  • Senior Systems Engineer

    GovCIO (Fairfax, VA)
    **Overview** GovCIO is currently hiring for a Senior Systems Engineer with an active Secret clearance to provide administration and tier 3 operational support ... USD $165,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6349/ senior -systems- engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Fairfax_ **ID** _2025-6349_ **Category** _IT… more
    GovCIO (08/02/25)
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  • Nuclear Engineer - Senior

    SOS International LLC (Reston, VA)
    **Overview** SOSi is seeking a Senior level Nuclear Engineer (Scientific Support). to be part of a unique, multi-discipline team assisting partners to fuse ... as reverse engineering analysis. + You will also conduct facility and vulnerability assessments on foreign nuclear capabilities. + Develop innovative analytic and… more
    SOS International LLC (07/18/25)
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  • Civil/Industrial Engineer - Senior

    SOS International LLC (Reston, VA)
    **Overview** SOSi is seeking a Senior level Civil/Industrial Engineer (Scientific Support) to provide expertise on civil and industrial engineering aspects of ... / limitation analysis, reverse engineering analysis / characterizations, facility and vulnerability assessments. + This includes, but not limited to: + Civil… more
    SOS International LLC (07/18/25)
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  • WGL - Senior OT Systems Engineer

    AltaGas (Springfield, VA)
    …infrastructure, cyber security tools and technologies, identity access management systems, OT software applications, operating systems, wireless communications ... devices (PLCs, RTUs). The ideal candidate would have extensive experience as a network engineer and virtualization engineer for the oil and gas industry. Must be… more
    AltaGas (08/07/25)
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  • Senior Security Systems Engineer…

    Imagine One Technology & Management (Dahlgren, VA)
    …of information systems. + Lead the preparation and execution an Information Assurance Vulnerability Management (IAVM) Plan. + Lead the preparation and production ... **not** **eligible** **for this role.** Imagine One Technology & Management , Ltd. is seeking four (4) ** Senior ...& Management , Ltd. is seeking four (4) ** Senior Security Systems Engineers** with specific experience working with… more
    Imagine One Technology & Management (09/30/25)
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  • Mid- Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …be more with us! Job Summary: We are seeking a skilled Systems Administrator/Network Engineer to join our mission-driven team. This position offers a broad scope of ... responsibilities, including network infrastructure management (switch deployment & configuration) and system administration in a classified environment. The ideal… more
    Infinity Systems Engineering (09/30/25)
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