• Senior Linux Engineer

    CACI International (Chantilly, VA)
    Senior Linux Engineer Job...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel ... is seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in...tools, and best practices. **Qualifications:** _Required:_ * An Active TS /SCI Clearance with Polygraph. * Security+ or DoD 8570… more
    CACI International (11/01/25)
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  • Senior Linux Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …RQ211516 **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 Enterprise Linux (RHEL),Systems Engineering **Experience:** 10 + years of… more
    General Dynamics Information Technology (12/14/25)
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  • Hardware Exploitation Engineer ( TS

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a TS /SCI cleared Hardware Exploitation Engineer to provide the following engineering support: + Conduc t technical ... through the application of reverse- engineering and other research techniques, engineer low-level C and assembly. Position Requirements: + Bachelor's degree in… more
    Vexterra Group (10/14/25)
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  • Senior System Integrator Engineer

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following systems support in Reston VA or Bethesda, MD office: You ... and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration, and troubleshooting of both Linux and… more
    Vexterra Group (10/14/25)
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  • Software Reverse Engineer ( TS

    Vexterra Group (Bethesda, MD)
    SOFTWARE REVERSE ENGINEER Vexterra Group is searching for a Senior Software Reverse Engineer support a Government Customer in Bethesda, Maryland: DUTIES + ... Isolate, review, analyze, and reverse- engineer potentially malicious programs + Write and produce high...at least (2) years experience. SECURITY CLEARANCE + Active TS SCI + CI Polygraph QUALIFICATIONS + Two (2)… more
    Vexterra Group (10/14/25)
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  • System Engineer ( TS /SCI)-…

    Vexterra Group (Bethesda, MD)
    Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the ... SSCP along with an appropriate computing environment (CE) certification) Clearance + Active TS /SCI clearance + Active CI Polygraph or willing to obtain one Preferred… more
    Vexterra Group (10/14/25)
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  • OCONUS Field Engineer - TS /SCI…

    Leidos (Chantilly, VA)
    **Description** We are seeking mid to senior field engineers to join our international team in an exciting OCONUS location. The team is made-up of highly technical ... and motivated individuals. The engineer for this role will troubleshoot complex problems, as...candidates for consideration, must possess an active and in-scope TS /SCI Polygraph.** **Basic Qualifications:** + Bachelor's degree and 8+… more
    Leidos (11/07/25)
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  • Senior Software Developer - TS /SCI…

    Leidos (Reston, VA)
    …**Required clearance:** Candidates for consideration **must possess an active and in-scope** Top Secret clearance with the ability and willingness to obtain ... Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities...and collect data within both a Windows and a Linux /Unix environment - Ability to work closely with users… more
    Leidos (09/21/25)
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  • ForeScout Engineer - Active TS /SCI…

    ENS Solutions (Reston, VA)
    …to solve complex security challenges. You will lead a team as they engineer solutions to complex challenges for customers using knowledge network engineering, Active ... complexities of security with a wide variety of audiences, including senior management. + Manage infrastructure and cybersecurity controls, including enhanced… more
    ENS Solutions (12/06/25)
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  • Systems Engineer - Senior

    Noblis (Chantilly, VA)
    Responsibilities As a Senior Systems Engineer , you will... Top Secret environments. + **Active Top Secret ( TS ) clearance with ... May require flexible scheduling to support critical operations in Top Secret environments. \#FundedPosition Desired Qualifications + Active TS /SCI with CI… more
    Noblis (11/20/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …VA, US Job ID: ATR 17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret /SCI clearance with current CI ... required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly...- Experience writing detailed, technical documentation -8570 Compliance -Active TS /SCI + CI Poly - Ability to respond to… more
    Arena Technical Resources, LLC (11/29/25)
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  • Linux Systems Engineer

    SAIC (Arlington, VA)
    …deep web and dark web. Clearance/Citizenship Requirements: + US Citizenship with an active Top Secret Clearance with ability to obtain SCI (Active and/or PR ... **Description** Seeking a Senior Systems/Network Engineer , working with a...day one. + KEY - Advance knowledge of RedHat Linux and RedHat OpenShift. + KEY - Expertise in… more
    SAIC (12/06/25)
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  • Senior DevOps Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior DevOps Engineer , you will be...of experience in DevOps or related field + **Active Top Secret ( TS ) clearance with ... infrastructure as a service provider + Configure and manage Linux -based servers to serve dynamic websites + Debug cluster-based...Train (ART) activities + Support the multi-enclave environment (Unclassified, Secret , and Top Secret ) +… more
    Noblis (11/20/25)
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  • Principal or Senior Principal Network…

    Northrop Grumman (Washington, DC)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 50% of the Time **Description** At Northrop Grumman, our ... Aeronautics Systems is looking to add a **Principal or Senior Principal Network and Communications Field Service Engineer...by Company, based on OCONUS location. + **Active** **DoD** ** Top Secret ** clearance (with a background investigation… more
    Northrop Grumman (12/04/25)
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  • Dev Ops Engineer - Senior

    Amentum (Washington, DC)
    Amentum is searching for a Top - Secret cleared Dev Ops Engineer ( Senior ) to join our team in Washington, DC. You will be working in an organization that's ... using infrastructure as a service provider. The Dev Ops Engineer ( Senior ) configures and manages Linux...needed to perform at this level. **Requirements:** * Active Top Secret clearance with SCI eligibility *… more
    Amentum (12/04/25)
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  • Research Science / Senior AI Machine…

    CACI International (Sterling, VA)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% ... 1/1/2100 **CACI has an exciting new opportunity for a Senior AI and Machine Learning Research Engineer ....and at least 4 years' experience.** **Must have active Top Secret security clearance.** **Experience developing models,.**… more
    CACI International (11/25/25)
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  • Data Scientist / Senior AI Machine Learning…

    CACI International (Sterling, VA)
    … Job Category: Science Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% ... Opportunity:** CACI has an exciting new opportunity for a Senior AI and Machine Learning Research Engineer ....as dictated by the contract + Must have active Top Secret Clearance. _Desired:_ + Ph.D. in… more
    CACI International (11/25/25)
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  • SAP NS2 Senior Cloud Engineer

    SAP (Herndon, VA)
    …Cyber Security, Information Security, Engineering, Information Technology. MA/MS Preferred. + Top Secret Clearance with Polygraph Note: The job description ... benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer /Systems Administrator - Onsite -...Engineer /Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph Required** **NS2 COMPANY DESCRIPTION** SAP… more
    SAP (10/21/25)
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  • Senior Cyber Risk Manager (Splunk…

    The MITRE Corporation (Mclean, VA)
    …a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and maintain a ... Security Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with...candidate to have a minimum of the following clearance(s): Top Secret This requisition requires the hired… more
    The MITRE Corporation (11/08/25)
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  • Senior DevOps Engineer

    CACI International (Chantilly, VA)
    …Aerospace Engineering, Computer Engineering, Physics, Math, or equivalent experience + Active TOP SECRET security clearance with SCI eligbility + Willing to ... Senior DevOps Engineer Job Category: Engineering...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (11/07/25)
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