• Sr. Specialist, Information Security…

    L3Harris (Plano, TX)
    …sea and cyber domains in the interest of national security. Job Title: Sr. Specialist, Information Security Systems Engineer - (JIBM) Job Code: 29976 Job ... Active Secret clearance or higher; eligibility for Top Secret / SCI preferred. + Excellent...+ Experience obtaining Authorization to Operate (ATO) for DoD information systems . + Certifications such as Certified… more
    L3Harris (10/23/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …an active Secret Clearance at the time of hire, with the ability to obtain Top Secret ( TS / SCI ) Security Clearance. + Must successfully obtain a class ... Job Schedule: 1st Shift 9/80 Job Description: The Senior Systems Engineer Specialist will be responsible for...+ Experience with RC-135 Big Safari aircraft. + Active Top Secret with SCI . #LI-AH1… more
    L3Harris (11/08/25)
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  • Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …MCS systems . + Must successfully pass a class III flight physical. + Must have an active Top Secret with SCI at the time of hire. + Must be a US Citizen. ... in the interest of national security. Job Title: Specialist, Systems Engineer Job Code: 30634 Job Location:...Preferred Additional Skills: + Security+ Certification. + Active Top Secret with SCI . #LI-AH1… more
    L3Harris (11/01/25)
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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …by Collins Aerospace** Collins Aerospace is looking for a talented **Senior Systems Engineer ** **with an active TS / SCI clearance** to work onsite in ... and/or modernization. + You will work with the Lead Systems Engineer to ensure the overall system...Server experience + **Active and transferable US government issued** ** TS / SCI security clearance** **is required prior to… more
    RTX Corporation (09/03/25)
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  • Systems Engineer Sr Stf - Level 5

    Lockheed Martin (Fort Worth, TX)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression ... **Description:** You will be the Systems Engineer for the Integration and...conflict, and manage interpersonal dynamics * Security\+ Certification * TS / SCI Clearance will be required for this… more
    Lockheed Martin (09/13/25)
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  • Sr. Spec, Systems Engineer

    L3Harris (Greenville, TX)
    …an active Secret at the time of hire with the ability to obtain a Top Secret / SCI DoD Security Clearance. + Must be a US Citizen. Preferred Additional ... the interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 29709 Job Location:...Skills: + Security +. + Agile experience. + Active Top Secret with SCI . #LI-AH1… more
    L3Harris (11/07/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …Must have an active Secret at the time of hire with the ability to obtain a Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: + ... Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) performs technical planning, system...Active Top Secret with SCI . +… more
    L3Harris (11/01/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …an active Secret clearance at the time of hire with the ability to obtain a Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: + ... Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) will be responsible for...Active Top Secret with SCI . +… more
    L3Harris (11/01/25)
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  • Sr IT Systems Engineer - Pub SEC

    Lumen (San Antonio, TX)
    …upgrades **What We Look For in a Candidate** Basic Qualifications: + **Requires a Top Secret / SCI clearance** + On-call after hours/on-call support as ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...world and shape the future. **The Role** The IT Systems Engineer II provides advanced Tier II… more
    Lumen (11/05/25)
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  • Systems Engineer III

    Applied Research Solutions (San Antonio, TX)
    **Description** Applied Research Solutions is seeking a full-time Systems Engineer III located at Lackland AFB, Texas. **Why Work with us ?** Applied Research ... the probabilities/consequences and creating risk matrices. **Preferred Qualifications:** + Active TS / SCI clearance is preferred; + Master's Degree in Computer… more
    Applied Research Solutions (10/25/25)
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