• Zscaler (Mclean, VA)
    …with a cloud-first strategy. We're looking for an experienced Staff Site Reliability Engineer (Federal) to join our Government Cloud team. Reporting to the Manager, ... within classified environments **What We're Looking for (Minimum Qualifications)** + ** Active Secret Security Clearance required and must be maintained throughout… more
    DirectEmployers Association (10/03/25)
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  • LINUX Engineer - Active

    General Dynamics Information Technology (Washington, DC)
    …Advance how our customers operate while you advance your career. Join GDIT as a Linux Engineer and you will build an impactful career in enterprise IT, ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** IT...like you. **MEANINGFUL WORK AND PERSONAL IMPACT** As a Linux Engineer , the work you'll do at… more
    General Dynamics Information Technology (11/05/25)
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  • Linux Engineer

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Linux Engineer ** to support our current NCIS contract out of **Quantico, VA.** **Responsibilities ... include but are not limited to:** + The Linux Engineer will maintain, update, and secure...PostgreSQL. **Security Clearance Required** : + Must have a current/ active Top Secret with the ability to… more
    ManTech (10/31/25)
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  • Linux Engineer - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT ... Infrastructure and Operations **Skills:** Linux Environments,Red Hat Ansible,System Administration **Experience:** 1 + years of related experience **US Citizenship… more
    General Dynamics Information Technology (09/16/25)
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  • Linux Engineer (TS/SCI…

    General Dynamics Information Technology (Mclean, VA)
    …automation with TFTP, DHCP and DNS. + Prior experience with Centrify and Active Directory integration and management of Linux groups, accounts and servers ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (10/03/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    … Location: Chantilly, VA, US Job ID: ATR 17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret/SCI clearance with ... Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and mission focused. This ideal… more
    Arena Technical Resources, LLC (10/25/25)
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  • Linux Engineer - TS/SCI

    General Dynamics Information Technology (Sterling, VA)
    …people-focused and customer-centric environment in delivering Infrastructure Engineering Services. As a Linux Engineer supporting the Government, you will be a ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (10/29/25)
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  • Network Engineer -US Citizens Only-…

    The Metamorphosis Group (Reston, VA)
    Network Engineer -US Citizens ONLY- ACTIVE Top Secret/SCI Full Scope Poly REQUIRED Reston, Virginia Apply Now WORK REQUIREMENTS: Network Engineering Support - ... shepherd and perform engineering efforts in the areas of Windows and Linux servers, workstations, storage, and virtualization. * The Contractor Team shall support… more
    The Metamorphosis Group (09/03/25)
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  • ACAS Engineer - Active Top

    ENS Solutions (Reston, VA)
    …to enable secure and reliable operations of enterprise computer systems. Engineer , design, develop, and implement enterprise network cyber defense capabilities to ... flow analysis, packet capture analysis, network proxies, firewalls, anti-virus capabilities, Linux or UNIX command line, and access control lists. Requirements +… more
    ENS Solutions (09/27/25)
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  • Network Engineer - Must Have Active

    The Metamorphosis Group (Reston, VA)
    Network Engineer - MUST HAVE ACTIVE Top Secret/SCI Full Scope Poly Clearance Reston, Virginia . Information Technology Apply Now WORK REQUIREMENTS: Yes ... Network Engineer duties and responsibilities. Network Engineer supports...system administration. 2. System administration and IT certifications in Linux , Microsoft, or other network related fields 3. Demonstrated… more
    The Metamorphosis Group (10/18/25)
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  • Edge Information Systems Security Engineer

    V2X (Springfield, VA)
    …in Springfield, VA. The position is required to be onsite. The position requires an active Top Secret/SCI clearance and the ability to obtain and maintain a ... responsibility, and professionalism. We are hiring an Edge Information Systems Security Engineer (ISSE) - active TS/SCI clearance to support our government… more
    V2X (09/09/25)
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  • Splunk Engineer - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …system performance and availability, upgrades, and troubleshooting in Windows and Linux Server environments + Experience creating custom dashboards, writing queries ... up alerts and notifications + Familiarity with DoD Risk Management Framework + Top Secret/SCI clearance with the ability to obtain a Counter-Intelligence polygraph +… more
    ENS Solutions (09/27/25)
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  • Next Generation Desktop Environment (NGDE)…

    General Dynamics Information Technology (Sterling, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT ... Infrastructure and Operations **Skills:** Linux Environments,Systems Engineering,Systems Software **Experience:** 8 + years of...tomorrow is smarter. Our work depends on a NGDE Engineer joining our team to support Government activities in… more
    General Dynamics Information Technology (10/08/25)
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  • Systems Engineer

    SAIC (Arlington, VA)
    …of deep web and dark web. Clearance/Citizenship Requirements: + US Citizenship with an active Top Secret Clearance with ability to obtain SCI ( Active ... **Description** Seeking a Senior Systems/Network Engineer , working with a diverse team of contractors,...day one. + KEY - Advance knowledge of RedHat Linux and RedHat OpenShift. + KEY - Expertise in… more
    SAIC (09/20/25)
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  • Principal OR Senior Principal Field Service…

    Northrop Grumman (Washington, DC)
    …new hire physical if determined necessary by Company, based on OCONUS location. + ** Active DoD Top Secret clearance** (with a background investigation within the ... to add a **Principal OR Senior Principal Field Service Engineer - Network and Communications** to join our team...determined necessary by Company, based on OCONUS location. + ** Active DoD Top Secret clearance** (with a… more
    Northrop Grumman (09/17/25)
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  • Engineer /Principal Engineer Systems…

    Northrop Grumman (Dulles, VA)
    …of 2 years (level 2) or 5 years (level 3) of relevant experience + US citizen + Active or current Top Secret clearance with the ability to obtain SCI at time of ... Grumman has an immediate opening for a Systems Test Engineer on an exciting program based in Dulles, Virginia....for new features, enhancements, and fixes for an integrated LINUX -based hardware/software platform. + Create detailed test plans and… more
    Northrop Grumman (10/16/25)
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  • Systems Engineer TS/SCI Poly

    Parsons Corporation (Centreville, VA)
    …OSI model, analyzing networking protocols using Wireshark **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... possible. **Job Description:** Parsons is seeking a highly skilled and motivated **Systems Engineer ** to join our dynamic team. In this role, you will be… more
    Parsons Corporation (10/03/25)
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  • Systems Engineer Senior

    Amentum (Washington, DC)
    …to show the level of experience needed to perform at this level. **Requirements:** * Active Top Secret clearance with SCI eligibility * Minimum of 7 years of ... We are searching for a Top Secret cleared Systems Engineer (Senior)...experience with 5 years of relevant experience with strong Linux skills * Strong scripting skills * Education: Bachelor's… more
    Amentum (10/31/25)
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  • Sr. Principal Cyber Software Engineer

    Northrop Grumman (Chantilly, VA)
    …life cycle. + Experience writing software design documentation. **Preferred Qualifications:** + Active Top Secret / SCI security clearance with poly. + ... Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team supporting a program in the Signals Intelligence… more
    Northrop Grumman (10/21/25)
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  • Cyber Security Engineer

    CACI International (Sterling, VA)
    …etc.) as required. **Qualifications:** _Required:_ + 3 years working as an ISSO with Linux experience + ** Active Top Secret clearance with SCI eligibility** ... Cyber Security Engineer Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required:… more
    CACI International (10/23/25)
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