• Systems Engineer

    Actalent (Richardson, TX)
    …Model-Based Systems Engineering practices and tools. + Ability to obtain a DoD Top Secret security clearance. + Bachelor's degree in engineering or equivalent ... Job Title: Systems Engineer Job Description We are seeking 3 talented and...related experience. + Current Secret or Top - Secret security clearance. +… more
    Actalent (12/02/25)
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  • Sr. Scientist, Systems Engineer

    L3Harris (Greenville, TX)
    …+ Travel up to 10% of the time. + Ability to obtain and maintain a Top Secret with SCI. Clearance. + Other duties as assigned by Supervisor. Qualifications: + ... interest of national security. Job Title: Sr. Scientist, Systems Engineer Job Code: 30671 Job Location: Greenville, TX (On-Site)...be a US Citizen. Preferred Additional Skills: + Active Top Secret with SCI. #LI-AH1 L3Harris Technologies… more
    L3Harris (11/01/25)
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  • Sr. Principal Air Vehicle System Test…

    Northrop Grumman (Winters, TX)
    …selected international or Guam location after the initial 24-month assignment. + Active DoD Top Secret clearance that is in-scope or currently enrolled in CE + ... has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative** (FSR) to join...enrolled in CE, with the ability to obtain a Top - Secret /SCI clearance within a reasonable amount of… more
    Northrop Grumman (11/16/25)
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  • Senior Mechanical Engineer - Electronics…

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Job Description Collins Aerospace, an RTX company, is a ... team is seeking a highly motivated Senior Level Mechanical Engineer that is passionate about the development of electronics...+ Active possession of an active US government issued Secret or Top Secret clearance.… more
    RTX Corporation (12/09/25)
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  • Senior Engineer , Services Engineering

    RTX Corporation (Dallas, TX)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... and a minimum of 5 years of prior relevant experience. + Active and transferable Top Secret US government issued security clearance is required prior to start… more
    RTX Corporation (12/02/25)
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  • Principal Mechanical Engineer - Machine…

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in ... (ISSE) engineering team is seeking a self-motivated Principal Mechanical Engineer that thrives in the design, development, and integration...Prefer:** + Possession of an active US government issued Secret or Top Secret clearance.… more
    RTX Corporation (10/29/25)
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  • Senior Specialist, Network Systems Engineer

    L3Harris (Greenville, TX)
    …project progress. Qualifications: + US Citizenship required. + Ability to obtain/maintain a Top Secret /SCI Security Clearance + Bachelor's Degree and minimum 6 ... Palo Alto Networks Certified Network Security Administrator (PCNSA) + Current Top Secret security clearance + Experience with Kubernetes… more
    L3Harris (12/03/25)
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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. ... Preferred Additional Skills: + Security+ Certification. + Active Top Secret with SCI. #LI-AH1 L3Harris Technologies is proud to be an Equal Opportunity Employer.… more
    L3Harris (11/01/25)
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  • Senior Cloud Engineer / Specialist (Oase)

    Oracle (Austin, TX)
    …duties as assigned **The candidate requires these attributes:** - **US Government security clearance Top Secret /SCI with Polygraph** - A BS or MS in Computer ... position will have the following attributes:** - **US Government security clearance Top Secret /SCI with Polygraph** - Experience supporting multiple cloud… more
    Oracle (11/25/25)
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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 required + ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...and shape the future. **The Role** The IT Systems Engineer II provides advanced Tier II support by troubleshooting… more
    Lumen (12/10/25)
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