• Network Engineer Tier 2

    CACI International (San Antonio, TX)
    Network Engineer Tier 2 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... an ongoing basis. **Opportunity:** Team CACI is seeking a Network Engineer to support an Intelligence Community customer's diverse network infrastructure, including… more
    CACI International (10/25/25)
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  • Sr. Manager, Systems Engineer 1

    L3Harris (Waco, TX)
    …cyber domains in the interest of national security. Job Title: Sr. Manager, System Engineer Job Code: 26447 Job Location: Waco, TX (On-Site) Job Schedule: 1st Shift ... 9/80 Job Description: We are looking for a Sr. Manager, Systems Engineer with strong knowledge of Systems Engineering, Cybersecurity, and a broad knowledge of… more
    L3Harris (10/12/25)
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  • Principal Systems Engineer - Cybersecurity

    Sierra Nevada Company, LLC (Plano, TX)
    …airborne command-and-control fleet. We need you! We are seeking a highly skilled Senior Systems Cybersecurity Engineer with a strong background in cybersecurity ... about NC3 and SAOC here (https://www.sncorp.com/capabilities/nc3-systems/) . Are you a Systems Engineer interested in working on one of the largest and most complex… more
    Sierra Nevada Company, LLC (12/17/25)
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  • Lead, Project Engineer

    L3Harris (Greenville, TX)
    …cyber domains in the interest of national security. Job Title: Lead, Project Engineer Job Code: 31066 Job Location: Greenville, Texas Schedule: 9/80 Job Description: ... The Project Engineer (PE) holds technical responsibility and authority for the...management, + Technical Configuration Change Management, + Customer and Senior Leadership interaction, + Overall program coordination during the… more
    L3Harris (11/19/25)
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  • Specialist, Mechanical Engineer

    L3Harris (Plano, TX)
    …cyber domains in the interest of national security. Job Title: Specialist, Mechanical Engineer Job Code: 30140 Job Location: Plano, TX (Onsite) Job Schedule: 9/80 ... join our Aeronautical Systems Engineering team as a Mechanical Engineer . You will participate in the design of detail...modeling CAD tools and work will be accomplished with senior -level design engineers. Mechanical design engineers can work on… more
    L3Harris (12/21/25)
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  • Secure Infrastructure Design Developer…

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret Our Digital Technology (DT) Solutions Design and Networking ... team is seeking a Solution Design Engineer for an on-site role based in Richardson, TX....an on-site role based in Richardson, TX. In this senior -level position, you will be responsible for designing and… more
    RTX Corporation (11/12/25)
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  • Unified Communications Engineer - Principal

    Amentum (San Antonio, TX)
    …Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD -provided, TS/SCI, integrated voice, video, and data, global communications network that ... facilitates collaboration among senior leaders and key staff. The Lone Wolf program...The duties and responsibilities of the Principal Unified Communications Engineer include, but are not limited to, the following:… more
    Amentum (12/17/25)
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  • Principal Engineer

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret Collins Aerospace Central Support Services is seeking a ... highly-experienced Lifecycle Logistics/Supportability Engineer to perform product support engineering analyses and planning...communication and avionics systems and solutions. Act as a senior core member of a program Integrated Product Team… more
    RTX Corporation (10/09/25)
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  • Senior Associate, Application Development…

    L3Harris (Greenville, TX)
    …Job Location: Greenville, Texas Job Schedule: 9/80 Job Description: As an early career Software Engineer , you will play a crucial role in developing and ... domains in the interest of national security. Job Title: Senior Associate, Application Desktop - Engineering Operations Tools &...last 12 months, regardless of age. . Experience in software development with a focus on backend systems. .… more
    L3Harris (11/21/25)
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  • Senior Associate, Mechanical Engineering

    L3Harris (Waco, TX)
    …sea and cyber domains in the interest of national security. Job Title: Senior Associate, Mechanical Engineering Job Code: 31633 Job Location: Waco, TX (Onsite) Job ... documents to thoroughly define the design. As an L3Harris engineer you will be involved in all phases of...+ Minimum 2 years experience with basic Microsoft Office software applications including Word and Excel. + Must be… more
    L3Harris (12/04/25)
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