• Lead Systems Engineer (Level 5)

    Lockheed Martin (Littleton, CO)
    …considered, applicants must be U\.S\. citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS /SCI\) clearance\. \- This position is ... systems \. \- Hands\-on experience with integrated hardware and software verification and test at the subsystem or system...test at the subsystem or system level\. \- Active TS /SCI security clearance required\. \- Ability to support quarterly… more
    Lockheed Martin (12/11/25)
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  • Full-stack (Front-end focused) Software

    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 ... the job** : This requisition is sourcing a Full-Stack Software Engineer with a focus on the...experience in lieu of a degree + **Active DoD Top Secret clearance required at the time… more
    Northrop Grumman (11/15/25)
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  • Systems Engineer

    Lockheed Martin (Denver, CO)
    **Description:** You will be a ** Systems Engineer ** for the R&D team that investigates and exploits the newest technological advances to solve complex, ... mission‑critical problems\. ## What You'll Be Doing As a Systems Engineer , you will design, integrate, and...CITIZEN \- The selected candidate must possess an active Top Secret clearance with SCI eligibility to… more
    Lockheed Martin (12/20/25)
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  • Software Engineer Sr

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... software solutions, specializing in the development of mission\-critical systems for U\.S\. government agencies, commercial enterprises, and international… more
    Lockheed Martin (12/05/25)
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  • Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …architecture making an impact on a software engineering team + Active Top Secret US Security Clearance w/ SCI eligibility is required **Qualifications We ... more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security… more
    Sierra Nevada Company, LLC (11/07/25)
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  • Software Engineer Staff (Level 4)

    Lockheed Martin (Colorado Springs, CO)
    …to start, but the ability to obtain and maintain a Top Secret security clearance **Desired Skills:** * Software development experience with object\-oriented ... cutting edge functionality for our end users\. As a Software Engineer on an Agile Scrum Team,...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (11/09/25)
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  • Systems Engineer Staff (Level 4)

    Lockheed Martin (Littleton, CO)
    …tomorrow with you\. Lockheed Martin Space is looking for an innovative and experienced Systems Engineer to support the team that designs, develops, fields and ... - **What does this role look like?** As a Systems Engineer for Requirements and Verification you...mitigate them and maintain schedule * Current or Active Top Secret clearance, thus US Citizenship is… more
    Lockheed Martin (12/06/25)
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  • Software Engineer Level 3 or 4

    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 ... part of history, they're making history. Northrop Grumman Space Systems (NGSP) seeks to fill a Software ...considered in lieu of degree. + **Requires an active Top - Secret clearance with Sensitive Compartmented Information (SCI)… more
    Northrop Grumman (11/13/25)
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  • Sr Staff Engineer Software

    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 ... large agile software development efforts + Experience developing data processing software systems in the defense industry + Demonstrated depth of experience… more
    Northrop Grumman (11/12/25)
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  • Chief Engineer - Level 6

    Northrop Grumman (Aurora, CO)
    …organizations to achieve a common goal. + Must have US Citizenship with an Active DOD Top Secret clearance with current TS /SCI at time of application + ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (12/12/25)
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