• Network Engineer 4

    M. C. Dean (Springfield, VA)
    …seeking a **Network Engineer 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will be ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (10/10/25)
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  • Information Systems Security Manager (ISSM)

    AeroVironment (Centreville, VA)
    … + Available to respond to alarms and emergencies after hours + Final Top Secret Security Clearance **Other Qualifications & Desired Competencies** + Experience ... in complexity and size to include multi-platform computing (Linux, Windows , VMWare), virtual environments, and mobile systems ....other legally protected status._ **ITAR** US Citizenship is required. Secret or Top Secret clearance,… more
    AeroVironment (12/24/25)
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  • Full Stack Infrastructure Engineer…

    Nightwing (Sterling, VA)
    …mitigation countermeasures as necessary. **Required Qualifications:** + US Citizenship + Active Secret clearance (with the ability to obtain TS /SCI clearance and ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (01/07/26)
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  • Software Test Engineer

    KBR (Chantilly, VA)
    …and regression testing for existing applications + Strong experience using Unix or Windows + Experience using tracking systems for issues and problems such ... Title: Software Test Engineer Belong. Connect. Grow. with KBR! KBR's National...contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future… more
    KBR (12/31/25)
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  • Senior Splunk Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career, and customer-oriented **Senior Splunk Cyber Security Engineer ** to join our team in **Chantilly, VA.** In this role, you will ... play a key role in maintaining and tuning Splunk systems , while collaborating with technical teams and cyber analysts...(ES) operations and configurations + Proficiency with Unix and Windows environments + DoD 8570 IAT Level II certification… more
    ManTech (12/30/25)
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  • IT Support Engineer - SNOC, Amazon Leo…

    Amazon (Arlington, VA)
    …- 4+ years of technical support experience - 4+ years of corporate setting Windows , Mac or Linux Operating systems support experience - Bachelor's degree in ... world. We are seeking a highly motivated IT Support Engineer to join our SNOC team. As a frontline...Citizen and must currently possess and maintain an active TS /SCI security clearance. Basic Qualifications - 4+ years of… more
    Amazon (12/30/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    …**Leidos** has a new and exciting opportunity for a **Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... technologies, scripting skills with shell, python, PERL and the like, supporting Windows and Unix environments, as well as proven experience installing and… more
    Leidos (10/10/25)
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  • Cloud Support Engineer I (VA-1G)

    ASM Research, An Accenture Federal Services Company (Reston, VA)
    …the Live Site work stream and will require an understanding of core Windows Azure components and tools to diagnose issues. **Duties and Responsibilities** + Responds ... issues. + Leverage knowledge base to help troubleshoot, identify and resolve systems issues. + Update knowledge base troubleshooting guides and lessons learned as… more
    ASM Research, An Accenture Federal Services Company (01/04/26)
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  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    … Windows and Azure server environments **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this ... **What You'll Be Doing:** + Maintains smooth operation of multi-user computer systems , including coordination with network engineers. + Monitors and manages system… more
    Parsons Corporation (11/15/25)
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  • Lead Security Assessor

    Foxhole Technology, Inc (Alexandria, VA)
    **Overview** **Job Title: Lead Security Engineer - Reviewer** **Clearance: Top Secret with SCI eligibility** **Location: Alexandria, VA** **Start: Based on ... services and solutions that solve operational gaps, operate critical systems , and protect and secure the enterprise - across...world **.** We are seeking a mission-focused Lead Security Engineer to support a Department of War (DoW) cybersecurity… more
    Foxhole Technology, Inc (12/19/25)
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