• Lead, Thermal Mechanical Engineer (Space…

    L3Harris (Wilmington, MA)
    …overall system design including thermal design, analysis, and test of optical systems operating in harsh space and ground environments. The candidate will possess ... of aerospace thermal engineering technology and payload architectures for spacecraft sub- systems and instruments. These talents are used to direct and oversee… more
    L3Harris (10/12/25)
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  • Satellite Ground Systems Engineer

    Leidos (Washington, DC)
    **Description** Leidos is seeking an experienced Satellite Systems engineer who will be responsible for providing subject matter expertise in all aspects of ... servant capacity Security Clearance: + Must have an active Top Secret Clearance, with SCI Eligibility, to...military/civilian personnel and industry partners + Working knowledge of Microsoft Office (Word, PowerPoint, and Excel) + Ability to… more
    Leidos (12/24/25)
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  • Systems Engineer Senior (Level 3)

    Lockheed Martin (King Of Prussia, PA)
    …interface definition studies to translate requirements into software specifications\. As a Systems Engineer Sr\. you will directly help establish the technical ... and validation, cost and risk, and supportability and effectiveness analyses for total systems \. \- Analyses are performed at all levels to include: concept, design,… more
    Lockheed Martin (12/25/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …domains in the interest of national security. Job Title: Sr. Specialist, Systems Engineering Job Code: 30880 Job Location: Greenville, TX (On-Site) Job Schedule: ... 1st Shift 9/80 Job Description: L3Harris is seeking a Sr. Systems Engineering Specialist who will be involved in activities directly related to the design, and… more
    L3Harris (11/08/25)
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  • Senior Data Security Architect

    CACI International (Tampa, FL)
    …the cloud-native NIPR stack ( Microsoft Purview/Sentinel) and the on-premise SIPR/ Top Secret stacks (BigID, Kiteworks, NetApp BlueXP), ensuring policy logic ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up...data discovery, classification, and protection across NIPR, SIPR, and Top Secret networks. + **Metadata & Taxonomy… more
    CACI International (12/23/25)
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  • Systems Engineer , Logistics…

    RTX Corporation (Dededo, GU)
    …meaningful problems that create a safer, more secure world. Raytheon is seeking a Systems Engineer specializing in logistics to provide critical systems ... You Will Do** + Utilize a working knowledge of Microsoft Office (Word, Excel, PowerPoint) to track and report...+ Experience with inventory management, material handling, and logistics systems . + **An active and transferable TS /SCI… more
    RTX Corporation (11/18/25)
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  • CCSS Principal Systems Engineer

    RTX Corporation (Springfield, VA)
    …secure world. Raytheon Field Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated individual with ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI - Current At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (11/13/25)
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  • Network Engineer / Secret / Onsite:

    Lockheed Martin (Huntsville, AL)
    …organization **Basic Qualifications:** * Active DoDSecret clearance and the ability to obtain a Top Secret clearance, and maintain it throughout the life span of ... physical equipment by lifting up to 30 lbs\. **Desired Skills:** * Active DOD Top Secret clearance \(investigation within 5 years\) * Current Cisco CCNA or… more
    Lockheed Martin (12/05/25)
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  • Telecommunications Field Engineer

    CACI International (Herndon, VA)
    …_Required:_ + Experience working in Customer OCONUS environments + Strong background in Microsoft Systems Engineering and providing support to those systems . ... CACI has an immediate opportunity for a senior level **Telecommunications Field Engineer ** with a TS /SCI Poly clearance. **Responsibilities:** + Field Engineers… more
    CACI International (11/19/25)
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  • Systems Engineer (Onsite)

    RTX Corporation (Dededo, GU)
    …meaningful problems that create a safer, more secure world. Raytheon is seeking a Senior Systems Engineer to work as part of a team that supports satellite ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...communication (SATCOM) activities, in addition to company-wide systems engineering support. This position is a part of… more
    RTX Corporation (01/08/26)
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