• Applied Research Solutions (Bedford, MA)
    …certification. + Experience with the Risk Management Framework (RMF). + **Active Top Secret Security Clearance** The expected annual salary range: $178k ... **Description** ARS is seeking a Senior Information Systems Security Engineer (ISSE) candidate located...and vulnerabilities during code review. + Understanding of operating systems including Linux , Ubuntu, IoT systems more
    DirectEmployers Association (10/17/25)
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  • Battelle Memorial Institute (Columbus, OH)
    …be a US Citizen with the ability to obtain and maintain a DoD Top Secret security clearance. **Preferred Qualifications** + Experience adding functionality and ... qualified individuals to apply. **Job Summary** "From Silicon to Systems " - We are an elite, multi-disciplinary team, bringing...+ Ability to self-lead and self-teach. + Active DoD Top Secret clearance **SOME OF THE EXTRAS… more
    DirectEmployers Association (09/06/25)
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  • Battelle Memorial Institute (Columbus, OH)
    …UI/UX for tools. + Experience using SAT solvers (such as Z3) to model and assess systems . + Active DoD Top Secret clearance **Benefits: Live an Extraordinary ... push the bounds of computing technology. As a **Software/Hardware Engineer ** your work will be dedicated toward the development...with the ability to obtain and maintain a DoD Top Secret security clearance. **Preferred Qualifications** +… more
    DirectEmployers Association (09/06/25)
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  • Applied Research Solutions (Hill AFB, UT)
    …assigned. **Qualifications/Technical Experience Requirements** : + Must be a US Citizen + Active Top Secret Clearance + Advanced degree (MA/MS) and 10 years of ... **Description** Applied Research Solutions is seeking a Senior Network Services Engineer to support the Advanced Training Capabilities Division (AFLCMC/WNR) at Hill… more
    DirectEmployers Association (09/05/25)
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  • ABBTECH Professional Resources, Inc. (Chantilly, VA)
    ** Systems Engineer - Expert** **Location- Chantilly, Va** **Clearance- TS /SCI w/ FSP** **Salary- 185k-195k/yr** _The above salary range represents the range ... requires US Citizenship_** **Position Overview** We are seeking experienced ** Systems Engineers** to support a high-impact government customer. This… more
    DirectEmployers Association (10/15/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come 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 ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...network engineering, administration, or related IT roles. + Clearance: TS /SCI CI Poly + Required Skills: + Experience with… more
    DirectEmployers Association (09/30/25)
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  • Applied Research Solutions (Dayton, OH)
    …years demonstrated performance in related technology. Minimum Security Clearance Required + Top Secret w/ SCI eligibility Additional or Preferred Qualifications ... and personalized attention from ARS Senior Managers.?? **Responsibilities:** + Support a Linux & Windows AirGapped environment. + Troubleshoot systems as needed,… more
    DirectEmployers Association (09/04/25)
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  • Tyto Athene (Fort Meade, MD)
    …of TLS and PKI + Proficiency with Juniper networking devices. **Clearance:** + Active Top Secret with SCI eligibility clearance. **Location:** + Ft. Meade, MD ... **Description** Tyto Athene is searching for a **S** **enior Network Engineer ** to provide technical support for the development, test, deployment, and sustainment… more
    DirectEmployers Association (10/29/25)
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  • COLSA Corporation (Huntsville, AL)
    …professional experience. + Minimum of 8 years related experience + Active DoD Top Secret Clearance with SCI eligibility; US Citizenship required + Must ... technical lead for a diverse infrastructure environment. The role spans Windows systems , Nutanix virtualization, Linux (RHEL), and enterprise storage. The… more
    DirectEmployers Association (09/21/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    …security best practices, including vulnerability scanning and network policies **Senior DevOps Engineer Preferred Qualifications:** + An active TS /SCI with CI ... **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift and you need to have a solid understanding of DevOps principles,… more
    DirectEmployers Association (09/11/25)
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  • Linux Systems Engineer

    William C Brown Inc (Springfield, VA)
    …characteristic protected by law. Description Our work depends on a TS /SCI cleared Linux Systems Engineer joining our team to support our customer in ... Linux Systems Engineer EOE... Linux Systems Engineer EOE Statement We are...work/military experience QUALIFICATIONS: 5+ years of related experience CLEARANCE:Active TS / SCI Clearance and eligibility to obtain a… more
    William C Brown Inc (09/25/25)
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  • LINUX Systems Engineer

    Nightwing (Sterling, VA)
    …who enjoys solving complex engineering problems while working with a close-nit team as a Linux Systems Engineer . In this role you will perform production ... Required Skills and Experience + 5+ years of hands-on Linux Systems Engineering experience + Specific experience...Secret Clearance with the ability to acquire a TS with SCI eligibility Preferred Qualifications + Experience specifically… more
    Nightwing (10/22/25)
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  • LINUX Sr Principal Systems

    General Dynamics Information Technology (Washington, DC)
    …experience **US Citizenship Required:** Yes **Job Description:** Job Description **Senior Principal Systems Engineer - Linux ** Design, deploy, integrate and ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...GDIT, people are our differentiator. As a **Senior Principal Systems Engineer - Linux ** ,… more
    General Dynamics Information Technology (09/23/25)
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  • Network Management Systems (NMS)…

    CACI International (Sterling, VA)
    Network Management Systems (NMS) Linux Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... * **The Opportunity** : We are seeking an experienced Linux Engineer to join our team with...candidate will be responsible for designing, implementing, and maintaining Linux -based systems , ensuring high performance, reliability, and… more
    CACI International (10/25/25)
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  • Field Engineer / Linux

    Huntington Ingalls Industries (Columbia, MD)
    …during the interview process. Job Description Enlighten is looking for a Field Engineer / Linux Systems Administrator to support operational systems ... Enlighten, honored as a Top Workplace from USA Today, is a leader...well. + At least 9 years of experience in Linux Systems Administration with Bachelors in related… more
    Huntington Ingalls Industries (08/08/25)
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  • Linux Systems Engineer

    Insight Global (Chantilly, VA)
    Job Description Insight Global is looking for an experienced Systems Engineer to support a classified DoD client in Chantilly, Va. This individual will be ... support multiple classified tenants. They will be responsible for ensuring the linux hosted applications are running smoothly, as well as deploying new applications… more
    Insight Global (09/27/25)
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  • Linux Systems Engineer

    ENS Solutions (Chantilly, VA)
    + Experience developing systems , products, and/or processes based on a total systems perspective. + Consults, plans, analyzes, designs, develops, tests, assures ... quality, configures, installs, implements, integrates, maintains, and manages systems . + Maintains a diverse set of skills across...years of relevant experience. + Must have an Active TS /SCI ; willingness to obtain and maintain a CI… more
    ENS Solutions (09/27/25)
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  • Cloud Engineer

    Nightwing (Sterling, VA)
    …- Must be able to obtain DHS Suitability. - 6+ years of experience as a Cloud Engineer , Linux Systems Engineer , or similar role. - Experience with cloud ... and assist with the restoration of services. Nightwing is seeking an experienced Cloud Engineer with strong Red Hat Enterprise Linux (RHEL) experience to join… more
    Nightwing (08/28/25)
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  • Principal/Senior Principal Systems

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... We are looking for a Principal or Senior Principal Systems Engineer to join our team at...+ Track/log Real World Events **Basic Qualifications:** + DoD Top Secret clearance that is or has… more
    Northrop Grumman (08/22/25)
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  • Lead IT Systems Engineer

    SpaceX (Hawthorne, CA)
    Lead IT Systems Engineer - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... human life on Mars. LEAD IT SYSTEMS ENGINEER - TOP SECRET CLEARANCE...recognizing and overcoming technical challenges. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI with… more
    SpaceX (10/28/25)
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