• Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38512 **Summary** ** Senior Systems Administrator** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... security and economic interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator** to help contribute to our success. Come help… more
    Chenega Corporation (12/10/25)
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  • Senior Systems Administrator, Level…

    Lockheed Martin (Dahlgren, VA)
    …MD\. The System Administrator \(SA\) is responsible for the day\-to\-day operations of Windows and Linux systems and hardware\. Duties may include setting up ... you\! The DARKWING Program is seeking a highly motivated Systems Administrator to join our team in La Plata,...Certification \(For Level 2, Sec\+ within 6 months\) * Windows Active Directory * Windows OS and/or… more
    Lockheed Martin (11/19/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …join our diverse team of engineers, system administrators, and operators as a Sr . Principal Cyber Systems Engineer professional in Chantilly, VA. The successful ... including but not limited to Standard Operating Procedures and VISIO diagrams. ** Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have… more
    Northrop Grumman (10/02/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …to get a preview of the full benefits package. Saliense is now hiring a Senior Technical Consultant (Principal Network Systems Engineer) to join our team in ... + Provides expert technical support, administration, and engineering on all Microsoft Windows Operating Systems . + Monitors, performance tunes, troubleshoots and… more
    Saliense Consulting (12/05/25)
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  • Senior Network Deployment Engineer

    ManTech (Chantilly, VA)
    …and experience with thin and/or zero clients + Knowledge and experience with Microsoft Windows Systems , HP SANs, or VMware products + Proficiency using Microsoft ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior Network Deployment Engineer** to join our team...policies and integration + Good working knowledge of Microsoft Windows systems , including DNS, Group Policy, and… more
    ManTech (11/26/25)
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  • Systems Integrator

    Leidos (Fort Belvoir, VA)
    …. Candidates should have experience with DoD security tools (ACAS, STIGs), operating systems ( Windows , Linux (RHEL) and Cisco network gear). Candidate will play ... should have at least 12+ years of experience in Systems Engineering. Selected candidate will be assisting a small...in lieu of degree. + System Engineering experience with Windows and Linux. + Experienced in security hardening for… more
    Leidos (12/08/25)
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  • Principal / Sr . Principal DevOps Software…

    Northrop Grumman (Chantilly, VA)
    …VLAN, network protocols, etc.) + Knowledge and familiarity with using and building Windows and Linux Operating Systems + Demonstrated experience in documentation ... VLAN, network protocols, etc.) + Knowledge and familiarity with using and building Windows and Linux Operating Systems + Demonstrated experience in documentation… more
    Northrop Grumman (12/04/25)
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  • Sr . Technical Support Engineer, US…

    Palo Alto Networks (Reston, VA)
    …(IPSEC / SSL-VPN / NAT) + Good understanding of Unix/Linux and Windows operating systems + Experience with Cisco, Checkpoint, Juniper(Netscreen), Fortinet ... is a plus + Knowledge of traffic generation tools and scripting languages is a plus **The Team** Our technical support team is essential to our success and mission. As part of this team, you enable customer success by providing support to clients after they… more
    Palo Alto Networks (12/09/25)
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  • Systems Support Engineer I (Monday-Friday…

    Red River (Chantilly, VA)
    …experience diagnosing and resolving technical issues on end-user laptops, including both Windows and macOS systems , with a solid understanding of operating ... those around you successful. We are looking for a ** Systems Support Engineer I** to join our fast-paced, customer-first...Escalate recurring or unresolved issues to team leads or senior staff to help identify and resolve root causes.… more
    Red River (11/26/25)
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  • Sr . Software Engineer TS/SCI Polygraph

    Leidos (Alexandria, VA)
    …encoding, XML canonicalization, digital signatures). Must have experience developing on Windows , and/or Linux operating systems . Must have documented ... **Description** Leidos has an exciting opportunity for a Sr . Software Engineer! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform… more
    Leidos (12/10/25)
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