• Information System Security Engineer…

    Assertive Professionals (Chantilly, VA)
    …Desired Experience and Qualifications: + Certified Information Systems Security Professional (CISSP) Certification(s). + Certified Splunk Administrator ... Information System Security Engineer (ISSE) About the...in several of the following areas: + Securing mission systems through the ICD 503 process for security more
    Assertive Professionals (01/07/26)
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  • Systems Engineer (III-V), IT Infrastructure

    Georgia Systems Operations (Tucker, GA)
    …and Microsoft 365. The role ensures system scalability, reliability, and security . The Systems Engineer manages and optimizes both physical and virtual ... GSOC. This includes designing, deploying, and managing Windows and Linux desktop and server environments as well as architecting...and perform system upgrades. In terms of security and compliance, the Systems Engineer ensures… more
    Georgia Systems Operations (01/16/26)
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  • Fractional Systems Engineer (remote)

    System One (Washington, DC)
    …background investigation. Our client is seeking a talented and motivated DevOps Engineer/ Systems Administrator with AWS Cloud experience to join our dynamic ... + Bachelor's degree required, and must be in Computer Science, IT, Information Systems , Cyber Security , Systems Engineering, or a comparable field.… more
    System One (01/15/26)
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  • Information Systems Unix Engineering Unix…

    B&H Photo (New York, NY)
    …a system back-up to prevent issues in the event of any level of system failure. The Unix Systems Administrator Level 3 collaborates with various B&H ... system maintenance and diagnostic checks + Maintain system security level including appropriate accesses, user...complex server hardware + Working knowledge of UNIX and Linux operating systems Specific Knowledge, Skills and… more
    B&H Photo (11/20/25)
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  • Information System Security Office…

    Leidos (Chantilly, VA)
    …of experience in information system security , cybersecurity, or IT security management. + Experience supporting classified systems under the DoD Joint ... knowledge of both Windows and Linux Operating systems . + Experience with Security Technical Implementation...security control assessments and coordinate with the Information System Owner (ISO), System Administrator more
    Leidos (01/07/26)
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  • Senior Information Systems Security

    Amentum (Warrenton, VA)
    …using intimate knowledge of security design best practices for information systems . throughout the system development life cycle to support the generation ... change. **Responsibilities:** The duties and responsibilities of the **Senior Information System Security Engineer (ISSE)** include, but are not limited… more
    Amentum (01/09/26)
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  • Lead System Security Engineer

    Guidehouse (Bethesda, MD)
    …IR table-top tests and CP functional tests. + 3+ years of experience as IT system administrator or engineer. Experience can include: + System maintenance in ... other compliance tasks. **3. Privacy** + Ensure all CIT systems comply with policies. + Focus on minimizing risks...+ Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per… more
    Guidehouse (11/19/25)
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  • System Security Engineer

    Guidehouse (Bethesda, MD)
    …Sentinel, CloudWatch, Security Center). + 1+ years of experience as IT system administrator or engineer. Experience can include: + System maintenance ... other compliance tasks. **3. Privacy** + Ensure all CIT systems comply with policies. + Focus on minimizing risks...+ Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per… more
    Guidehouse (11/19/25)
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  • Lab Manager / System Administration

    Node.Digital (Arlington, VA)
    …and business continuity of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux ... acceptable performance and user accessibility, establish back-ups, and monitor systems security . - Troubleshoot and resolve complex...- 5+ years of directly relevant experience as a Linux System Administrator . - 3+… more
    Node.Digital (01/20/26)
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  • Systems Security and Network…

    BOOZ, ALLEN & HAMILTON, INC. (Lexington Park, MD)
    …+ HS diploma or GED Nice If You Have: + Experience as an Operating System Administrator , Systems Engineer, Requirements Analyst, Information Systems ... enterprises. + Perform risk and vulnerability assessments in network, system , and application areas. + Leverage big data analytics...+ Knowledge of Microsoft and Linux operating systems + Ability to identify security requirements… more
    BOOZ, ALLEN & HAMILTON, INC. (01/10/26)
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