• The Computer Merchant, LTD. (Aurora, CO)
    …Go) Current Security Plus certification or obtain within 90 days of onboarding Job Description: Senior Platform Engineer / Linux with well-rounded Linux ... Physics and 5+ years of related work experience Current TS /SCI CI Poly issued security clearance is required day...Customer for Technical Exchange Meetings (TEMs) as required. The Senior Platform Engineer / Linux more
    job goal (12/11/25)
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  • 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 . Platform Engineer

    RTX Corporation (Richardson, TX)
    …problems that create a safer, more secure world. Raytheon Technologies (RTX) is seeking a ** Senior Platform Engineer / Linux ** with well-rounded Linux ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI without Polygraph At Raytheon, the foundation of everything...with Focus on the Linux Server / Linux OS. The ** Senior Platform Engineer more
    RTX Corporation (11/15/25)
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  • Senior . Platform Engineer

    RTX Corporation (Aurora, CO)
    …world. Raytheon Technologies (RTX) is seeking a talented ** Senior Platform Linux - (Front End Processor (FEP) Engineer )** with experience in traditional ... Technical Exchange Meetings (TEMs) to help develop the environment from requirements. The ** Senior Platform Linux (FEP) Engineer ** will support design,… more
    RTX Corporation (12/02/25)
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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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  • Sr. Software Engineer ( Top

    Lockheed Martin (King Of Prussia, PA)
    …over 3 years of experience, or equivalent experience/combined education\. You currently hold a Top Secret clearance\. **The Work:** * As a Software Engineer ... Lockheed Martin Rotary and Missions Systems \(RMS\) as a Senior Software Engineer \! Lockheed Martin is a...**Basic Qualifications:** * Security Clearance required prior to start: Top Secret * Experience developing full stack… more
    Lockheed Martin (11/06/25)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …and professionalism. We are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS /SCI clearance - with the ability to obtain and ... location. Our positions are required to be onsite. The Senior Computer Network Defense (CND) Engineer tests,...Security Clearance Requirements: + The position requires an active Top Secret /SCI clearance with the ability to… more
    V2X (12/12/25)
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  • Principal Systems Engineer - active…

    V2X (Suitland, MD)
    …location. 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 a Principal Systems Engineer - active TS /SCI clearance to support...Counterintelligence (CI) Polygraph. The Senior -level Principal Systems Engineer shall lead a… more
    V2X (11/15/25)
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  • Enterprise Management Tools - Systems…

    General Dynamics Information Technology (San Antonio, TX)
    …RQ211471 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Deliver simple solutions to complex problems as a Systems Engineer Senior at GDIT. Here, you'll tailor...5+ years of related experience * Security Clearance Level: TS /SCI w/Poly * Required Skills and Abilities: Windows Server… more
    General Dynamics Information Technology (12/12/25)
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  • JBlocks Senior Java Back End Software…

    CACI International (Hanover, MD)
    JBlocks Senior Java Back End Software Engineer - TS /SCI with Poly Job Category: Information Technology Time Type: Full time Minimum Clearance Required to ... Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...release management. **Responsibilities:** The JBLOCKS team is seeking a Senior Software Engineer to work with a… more
    CACI International (10/23/25)
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  • Senior Security Operations Engineer

    Microsoft Corporation (Redmond, WA)
    …be a technical leader within the security engineering team. We are looking for a ** Senior Security Operations Engineer ** who will help build and run the next ... of system internals and/or hardening in the following: Windows, Linux or macOS operating systems + Keep up to...following specialized security screenings: Candidates must have an **active** TS /SCI and be willing to upgrade to TS more
    Microsoft Corporation (12/11/25)
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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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  • TS /SCI High Band System Software Support…

    Insight Global (Beale AFB, CA)
    Job Description A government client of Insight Global is looking for a senior level High Band System Support Engineer to join their team at Beale AFB, CA. In ... this role, this High-Band System Software Support Engineer will be responsible for ensuring the optimal performance...possible that requires an active TSSCI clearance or a Top - Secret clearance with SCI eligibility. This is… more
    Insight Global (11/01/25)
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  • Senior Data Engineer ( TS

    Deloitte (Tampa, FL)
    …accelerate new digital ventures, and fuel growth through innovation. Work You'll Do As a Senior Data Engineer , you will play a critical role in supporting data ... from proof of concept to production, including on the TS network. The Team Our AI & Data offering...FL 5 days per week Preferred: + Experience administering Linux /Unix servers + Experience implementing ML pipelines using scikit-learn,… more
    Deloitte (12/05/25)
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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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  • Sr. Cyber Systems Engineer (Active…

    Northrop Grumman (Tampa, FL)
    …with 9 years of IT experience is required. + US Citizenship is required. + Active Top Secret / SCI security clearance is required to be considered. + Must ... best work of your career. We are seeking cleared, ** Senior level** **Cyber Systems Engineers** to work on-site at...is required. + US Citizenship is required. + Active Top Secret / SCI security clearance is… more
    Northrop Grumman (10/02/25)
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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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  • Senior Specialist, Information Security…

    L3Harris (Palm Bay, FL)
    …sea and cyber domains in the interest of national security. Job Title: ​ Senior Specialist, Info Security Sys Engineering Job Code: 30719 Job Location: Palm Bay, ... implement, and manage security controls and configurations for both Linux and Windows systems, including system hardening, vulnerability assessments,...years of prior related experience. + Must possess a TS /SCI CI Poly. + Must be able to obtain… more
    L3Harris (11/01/25)
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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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  • Systems Engineer III - Pipeline ( TS

    COMSO, Inc (Fort Meade, MD)
    Systems Engineer III - PIPELINE ( TS /SCI w/...and memory scaling) is required. Job Description: + The Senior Systems Engineer shall be responsible for ... Alaska. We are honored to be recognized as a Top Workplace for seven years running by the Baltimore...cycle to ensure supportability for security certification. + The Senior Systems Engineer shall also be responsible… more
    COMSO, Inc (12/02/25)
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