• Sr. Specialist, Network Systems…

    L3Harris (Greenville, TX)
    …Clearance, which requires US Citizenship. Job Description: The Senior Specialist, Network Engineer (NE) performs technical planning, system integration, ... prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of...and/or hardware Preferred Additional Skills: + Current Cisco Certified Network Professional (CCNP) certification + Current Top Secret more
    L3Harris (12/12/25)
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  • Journeyman Network Engineer

    GovCIO (Fort Bliss, TX)
    **Overview** GovCIO is currently hiring for Network Engineer with an active Secret clearance to provide Tier 3 support. This position will be located in El ... broker (UCS Director). **Qualifications** + High School with 6 - 9 yearsnetwork engineer (or commensurate experience) + Secret Clearance with ability to obtain… more
    GovCIO (12/03/25)
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  • Senior Specialist, Network Systems…

    L3Harris (Greenville, TX)
    …Schedule: 9/80 Job Description: The Senior Specialist, Systems Engineering - Network Engineer (NE) performs technical planning, system integration, verification, ... Class of Service (CoS), Layer 3 VPNs, and Layer 2 VPNs. + Assist and or perform systems engineering...Arista Certified Professional (ACE-P) + Palo Alto Networks Certified Network Security Administrator (PCNSA) + Current Top Secret more
    L3Harris (12/03/25)
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  • Network Engineer II

    Sierra Nevada Company, LLC (Fort Worth, TX)
    We are seeking an experienced Network Engineer to support the development, integration, and sustainment of advanced network architectures enabling Joint ... a cross-functional engineering team, you will design and implement robust network infrastructures, ensure mission data flows securely and efficiently across domains,… more
    Sierra Nevada Company, LLC (10/30/25)
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  • Cyber Systems Security Engineer - Level…

    Lockheed Martin (Fort Worth, TX)
    …right munitions to accomplish their missions\. Seeking well\-rounded experienced engineer with strong background in real\-time and heterogeneous laboratory ... environments to become a Cyber Infrastructure Engineer \(CIE\) supporting the F\-35 Man in the Loop...willing to mentor junior level team members\. A level 2 employee **Typically has 2 \- 8… more
    Lockheed Martin (12/11/25)
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  • Military Fellowship Program: Network

    Sierra Nevada Company, LLC (Plano, TX)
    …who have already separated from the military. We are seeking an experienced Network Engineer to support the development, integration, and sustainment of advanced ... network architectures enabling Joint All-Domain Command and Control (JADC2)...Bachelor's Degree in a related field with at least 2 or more years of relevant experience + Higher… more
    Sierra Nevada Company, LLC (12/05/25)
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  • Senior Network Engineer

    ManTech (San Antonio, TX)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Network Engineer ** to join our team onsite in **San Antonio, TX.** This position supports ... ensures that the highly complex and technical requirements related to the network infrastructure are addressed. **Responsibilities include but are not limited to:**… more
    ManTech (09/30/25)
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  • Systems Engineer Level 2 - Export…

    Lockheed Martin (Fort Worth, TX)
    …and sustainment of the F\-35 air system around the globe utilizing a network of suppliers, co\-producers, and sustainment service providers to support both foreign ... strategically and creatively with proven analytical problem\-solving skills\. The F\-35 J&C Engineer will engage across nearly all levels of the F\-35 LOB… more
    Lockheed Martin (12/03/25)
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  • Sr IT Systems Engineer - Pub SEC

    Lumen (San Antonio, TX)
    …as well as network support for two ( 2 ) geographically separated Network Operation Centers (NOC). The IT System Engineer II is operationally responsible ... and security technologies is required. + Requires fluent understanding of Layers 1/ 2 /3 inter-dependences and IP proficiency. + Simple Network Management Protocol… more
    Lumen (12/10/25)
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  • Specialist, Systems Engineer (RF/Comms)

    L3Harris (Greenville, TX)
    …TX (On-Site) Job Schedule: 1st Shift 9/80 Job Description: The Systems Engineer Specialist will be responsible for providing systems level engineering guidance and ... and procedures. + Proficient with RF test equipment including network analyzer and spectrum analyzer. + Supports/perform RF systems...RF and/or COMMS experience. + Graduate degree with two ( 2 ) years of RF and/or COMMS experience. + In… more
    L3Harris (11/01/25)
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