• Model Based Systems Engineer

    Leidos (Beavercreek, OH)
    …part of the Defense Sector at Leidos, currently has an opening for a cleared Lead Systems Engineer to work in our Beavercreek, OH Office. This is an exciting ... a US Citizen. + Must be able to obtain and maintain a Top - Secret security clearance. + Strong interpersonal and communication skills **Preferred… more
    Leidos (08/13/25)
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  • System Engineer

    Leidos (Fort Belvoir, VA)
    …**strategic thinking** and **mission-driven leadership** . + **Security Clearance:** **Active DoD Top Secret clearance** with ** TS /SCI eligibility** -you'll ... **Description** **Take Command of National Defense-Join Leidos as a Systems Engineer !** Are you ready to step...step 20 while everyone else is still debating step 2 good. You'll fit right in. **Original Posting:** June… more
    Leidos (08/28/25)
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  • Senior Specialist, Systems Engineer…

    L3Harris (Springfield, VA)
    …sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - Strategic Planner ( TS /SCI w/ CI Poly Required) ... Technologies currently has an opening for a Senior Specialist, Systems Engineer - Strategic Planner. The Strategic...of prior related experience. + Active Top Secret /SCI with Poly clearance required. + 2 +… more
    L3Harris (10/16/25)
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  • Information Systems Security…

    ManTech (Eglin AFB, FL)
    …related to modern Windows, Linux, UNIX, Cisco, SQL or Oracle databases, and virtualized systems . **Security Clearance:** + Active Top - Secret Clearance + Must ... **MANTECH** seeks a motivated, career and customer-oriented **Information Systems Security Engineer (ISSE)** to join our Air Force / Space team at **Eglin AFB**… more
    ManTech (10/21/25)
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  • Principal Software Systems Integration…

    Northrop Grumman (Colorado Springs, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Systems is seeking a **Principal Radar Software Systems Integration and Test Engineer ** to join...field from an accredited University or College + Active Top - Secret clearance at the time of application,… more
    Northrop Grumman (09/20/25)
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  • Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …Schedule: 1st Shift 9/80 Job Description: The Specialist, Systems Engineer (SE) performs technical planning, system integration, verification and validation, ... in the interest of national security. Job Title: Specialist, Systems Engineer Job Code: 28599 Job Location:...time of hire with the ability to obtain a Top Secret with SCI. + Must be… more
    L3Harris (09/11/25)
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  • Telecommunications Engineer

    SAIC (Aurora, CO)
    …as program office support on behalf of this customer. Active Top Secret /SCI clearance with current polygraph ( TS /SCI with Polygraph) is required to start ... best practices to ensure a satisfactory delivery of Open Systems Interconnection (OSI) Layer 1 and 2 ...plus years experiences working Tier 3 anomaly resolution. + Top Secret /SCI with Polygraph required to start… more
    SAIC (08/07/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …in the interest of national security. Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS /SCI w/CI Poly Required) Job Code: 25423 ... and simulation tools to analyze satellite operations and predict system behavior under various scenarios. . Provide critical assistance...of 6 years of prior related experience. + Active Top Secret /SCI with CI Poly clearance required.… more
    L3Harris (10/15/25)
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  • Software Engineer

    Leidos (San Diego, CA)
    …be considered in lieu of degree. + **U.S. citizenship** and ability to obtain a ** Top Secret clearance** (active TS preferred). + Demonstrated expertise in ... communication** and **software documentation** skills. **Preferred Qualifications** + **Active Top Secret clearance** + Familiarity with **Agile development**… more
    Leidos (10/22/25)
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  • RF Engineer (Level II)

    Lockheed Martin (Littleton, CO)
    … Top Secret security clearance with adjudicated SCI Eligibility \(i\.e\. TS /SCI\) **Desired Skills:** * Experience with EGSE systems and applications * ... components, such as digital signal processing and software\-defined radio systems \. **What You'll Do:** The RF Engineer ...waveform development and testing * Troubleshooting and debugging RF system issues, using a range of tools and techniques… more
    Lockheed Martin (08/30/25)
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