• Information Systems Security

    ManTech (Norfolk, VA)
    …technical field + Active TS with SCI eligibility **Clearance Requirements:** + Active Secret security clearance with the ability to obtain a TS /SCI ... **MANTECH** seeks a motivated, career and customer-oriented **Information Systems Security Engineer ** to join our team in...+ 3+ years of relevant work experience as an ISSE within a US Government environment, DoD strongly preferred… more
    ManTech (09/19/25)
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  • DevSecOps Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    Secret US Security Clearance with the ability to obtain a Top Secret with SCI eligibility required** **Qualifications We Prefer:** + Certification + ISM ... CAP, CISSP, or CISM Certification + ISSE CAP, CISSP-ISSEP Certification + ISSO Security +,...**IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance.… more
    Sierra Nevada Company, LLC (10/15/25)
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  • Senior Mechanical Engineer - Electronics…

    RTX Corporation (Richardson, TX)
    …required, as only US citizens are eligible for a security clearance ** Security Clearance:** DoD Clearance: Top Secret Job Description Collins Aerospace, ... market. The Collins Aerospace Mission Systems Integrated Strategic Solutions ( ISSE ) engineering team is seeking a highly motivated Senior...+ Active possession of an active US government issued Secret or Top Secret clearance.… more
    RTX Corporation (09/24/25)
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  • Senior Mechanical Engineer - Machine Design…

    RTX Corporation (Richardson, TX)
    …is required, as only US citizens are eligible for a security clearance ** Security Clearance:** DoD Clearance: Top Secret Collins Aerospace, an RTX ... market. The Collins Aerospace Mission Systems Integrated Strategic Solutions ( ISSE ) engineering team is seeking a self-motivated Senior Mechanical...Prefer:** + Possession of an active US government issued Secret or Top Secret clearance.… more
    RTX Corporation (09/23/25)
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  • Security Engineer /Architect…

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …Citizenship required. + 9+ years of experience as an ISSE or security -focused software / systems engineer with large multi-tiered programs and Bachelors in ... interview process. Job Description Enlighten is looking for a Security Engineer /Architect. Candidate will be required to...work. + Other duties as assigned. Minimum Qualifications + Security Clearance - A current TS /SCI level… more
    Huntington Ingalls Industries (09/12/25)
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  • Scientist, Information Security Systems…

    L3Harris (Palm Bay, FL)
    …minimum of 16 years of prior related experience. + Minimum of Collateral Secret security clearance required + Professional experience with RMF (Risk Management ... of national security . Job Title: Sr Information Security Systems Engineer Job Code: 229346 Job...and a minimum of 12 years of prior relevant ISSE experience. Graduate Degree and a minimum of 10… more
    L3Harris (09/27/25)
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  • Senior Cyber Security Engineer

    ManTech (Reston, VA)
    MANTECH seeks a motivated, career and customer-oriented **Senior Cyber** ** Security Engineer ** to join our team **onsite** in **Herndon, VA or Reston, VA** to ... to support security operations **Clearance Requirements:** + Must have active TS /SCI with Polygraph **Physical Requirements:** + Must be able to remain in a… more
    ManTech (08/20/25)
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  • Systems Engineer II - NC3 Programs…

    RTX Corporation (Richardson, TX)
    security clearance is required prior to start date with the ability to obtain Top Secret after start. + US citizenship is required, as only US citizens are ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Secret ...control military aircraft recapitalization programs. As our next **Systems Engineer II** and as a member of our Integrated… more
    RTX Corporation (10/09/25)
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  • Systems Engineer II - NC3 Programs

    RTX Corporation (Richardson, TX)
    security clearance is required prior to start date with the ability to obtain Top Secret after start. + Experience with capture, analysis and decomposition of ... citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret **Are you...control military aircraft recapitalization programs. As our next **Systems Engineer II** and as a member of our Integrated… more
    RTX Corporation (09/23/25)
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  • Modernization Accelerator: 2025 Hiring Alert…

    Lockheed Martin (Hanover, MD)
    …an external hire\! \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph Seeking multiple levels of System ... Software development * Software engineering * Cyber researchers \(Capabilities Analyst, etc\) * System Security \(ISSO / ISSE / ISSM\) * Technical writer * Test… more
    Lockheed Martin (09/25/25)
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