• Fluor Corporation (Aurora, CO)
    …Description Must have an active (or ability to obtain/maintain) a TS /SCI with polygraph clearance Provides facilities mechanical engineering analysis and oversight ... deliveries, decommissions and modifications. Be responsible for regular analysis of mechanical systems to include cooling balancing and air quality to help ensure… more
    Upward (08/12/25)
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  • Rocket Lab Corporation (Long Beach, CA)
    …hardware and software that supports other satellite missions. SENIOR SPACECRAFT FORMULATION SYSTEMS ENGINEER - TS /SCI CLEARANCE Based out of Rocket Lab's ... that make up a satellite like solar panels, flight software , reaction wheels and star trackers, separation systems...headquarters in Long Beach, CA, the Senior Spacecraft Formulation Systems Engineer is responsible for leading the… more
    Upward (08/04/25)
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  • Advantage Engineering & IT Solutions Inc (Annapolis Junction, MD)
    …a Usability/Human Factors Engineer Level 2 to support our mission-focused software development team. In this position, you will support our customer in the ... with Polygraph Bachelor's degree in Human Factors Engineering, Cognitive/Experimental Psychology, Systems Engineering, Software Engineering, or a related field… more
    Upward (07/25/25)
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  • Satellite Systems Software

    SAIC (El Segundo, CA)
    systems engineering & integration and more. This position is for a Satellite Systems Software Engineer for a large, multi-year contract supporting a ... cutting-edge and innovative space program. The Satellite Systems Software Engineer must possess...any direct supervisor. **Qualifications** + Must possess an active TS /SCI clearance with Polygraph. + Bachelors and 9 years… more
    SAIC (08/07/25)
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  • Systems Software Engineer

    ISYS Technologies (Omaha, NE)
    …I2X Technologies is seeking a Mid Level Systems Software Engineer Clearance: US Citizenship required Clearance Required: TS /SCI Job Duties: + System ... Minimum Clearance Required Top Secret SCI Responsibilities I2X Technologies...and to conduct problem resolution for applications and scientific software and systems . + Fully support senior… more
    ISYS Technologies (08/28/25)
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  • Systems Engineer / Software

    Arena Technical Resources, LLC (Dayton, OH)
    Systems Engineer / Software Engineer Location: Dayton, OH, US Job ID: ATR 17546 Job Description Job Title: Systems Engineer / Software ... active TS /SCI clearance Job Description: We are looking for TS /SCI cleared Systems Engineers/ Software Engineers that have an advanced understanding of… more
    Arena Technical Resources, LLC (08/20/25)
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  • Senior Principal Software Systems

    BAE Systems (Boulder, CO)
    …may be available based on position level and/or job specifics. **Senior Principal Software Systems Engineer II** **116333BR** EEO Career Site Equal ... committed to innovation, integrity, continual learning and strong execution. Ground Systems Engineer in support of design, requirements, analysis, integration,… more
    BAE Systems (09/16/25)
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  • Experienced Denali Software Systems

    The Boeing Company (Herndon, VA)
    …Find your future with us. The Boeing Company is looking for an **Experienced Software Systems Engineer ** to join the Advanced Mission Management Denali ... the design, development, and maintenance of complex, multi-tiered application software systems used to support the command...processes, tools and metrics. This position requires an active Top Secret /SCI US Security Clearance. (A US… more
    The Boeing Company (09/07/25)
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  • Sr Software Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …of new software products throughout the product lifecycle. We are seeking a Senior Software Systems Engineer with a bachelor's degree in Software ... field to join the Air Vehicle team as a Software Systems Engineer in support...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (09/02/25)
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  • Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    …making history. Northrop Grumman Space Systems (NGSP) is seeking a **Principal Systems Engineer ( Software Integrator)** / **Sr. Principal Systems ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the...Integration & Test (SEIT) team, an Integration & Test engineer gains an understanding of the Systems more
    Northrop Grumman (08/23/25)
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  • Principal Software Systems

    Parsons Corporation (Herndon, VA)
    …**Job Description:** **Job Description:** Parsons is looking for an amazingly talented **Principal** ** Software Systems Engineer ** to join our team! This ... emphasis on edge sensor environments. + US Citizenship and ** Top Secret ** clearance required. **Desired Qualifications:** + Active TS /SCI preferred. +… more
    Parsons Corporation (08/26/25)
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  • Software Systems Engineer

    Space Dynamics Laboratory (North Logan, UT)
    …and customer facilities Preferred Qualifications: + 5+ years of experience as a software systems engineer + 4+ years actively architecting/designing ... of DevSecOps principles, the role of CI/CD pipelines in software systems engineering, and how automated testing...Master's degree in a related field + Active DoD TS /SCI clearance *Salary Range + Salary commensurate based on… more
    Space Dynamics Laboratory (09/12/25)
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  • Principal Systems Engineer

    Northrop Grumman (Eglin AFB, FL)
    …a part of our mission. Northrop Grumman Space Systems is seeking a **_Principal Systems Engineer - Software Integration & Test_** to join our team ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...may be considered in lieu of degree + Active Top Secret clearance required at time of… more
    Northrop Grumman (09/10/25)
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  • Principal/Sr Principal Engineer

    Northrop Grumman (Annapolis Junction, MD)
    …radical new energy-efficient computing systems . MDA is seeking a **Principal/Sr Principal Software Systems Engineer ** with demonstrated ability to lead ... Linthicum / Annapolis Junction, MD.** **Basic Qualifications For Principal Engineer Software Systems ( Software...for Principal/Sr Principal Engineer Software ( Software Architecture):** + Current active TS /SCI Clearance… more
    Northrop Grumman (08/08/25)
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  • Software Engineer Associate…

    Lockheed Martin (King Of Prussia, PA)
    …yes to these questions, then we invite you to join Lockheed Martin Rotary and Missions Systems \(RMS\) as a Software Engineer \! Lockheed Martin is a global ... experience/combined education\. You currently hold a Top Secret clearance\. **The Work:** * As a Software Engineer for Warfighter Solutions, you can help… more
    Lockheed Martin (08/28/25)
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  • Lead, Software Systems Engineering…

    L3Harris (Palm Bay, FL)
    …cyber domains in the interest of national security. Job Title: Lead , Software Systems Engineer ( Top Secret Clearance) Job Code: 27271 Job Location: ... Functions: We are seeking an experienced and skilled senior systems engineer to join our development team....of 13 years of prior related experience. + Active Top Secret security clearance + 5+ years… more
    L3Harris (08/09/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Space Systems (NGSP) is seeking a **Principal Systems Engineer or a Sr. Principal ...experience with a PhD. + Must have an active Top Secret /SCI clearance at the time of… more
    Northrop Grumman (08/21/25)
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  • Staff Embedded Software Engineer

    Northrop Grumman (Linthicum Heights, MD)
    …. This position will lead both Flight Software and Test Software . The systems the software engineer will be working on are focused on sensor command ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the...Grumman's Space Systems is seeking a **Staff Software Development Engineer ** in **Linthicum, MD** with… more
    Northrop Grumman (08/08/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... **Syste** **ms Engineer or a Sr. Principal Systems Engineer ** to support a program out...experience with a PhD. + Must have an active Top Secret /SCI clearance at the time of… more
    Northrop Grumman (09/13/25)
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  • Systems Engineer ( Software

    Northrop Grumman (Morrisville, NC)
    …work.** **Basic Qualifications** + Must have an **active** US Government DoD Top Secret /Sensitive Compartmented Information (SCI) security clearance **at the ... + Must have above minimum experience on the below: + Experience with software systems design + Experience with Model Base Systems Engineering (MBSE) and… more
    Northrop Grumman (09/10/25)
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