• Principal Systems Engineer (Software…

    Northrop Grumman (Aurora, CO)
    …**Aurora, CO** location. As a part of the Systems Engineering Integration & Test ( SEIT ) team, an Integration & Test engineer gains an understanding of the ... making history. Northrop Grumman Space Systems (NGSP) is seeking a **Principal Systems Engineer (Software Integrator)** / **Sr. Principal Systems more
    Northrop Grumman (11/22/25)
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  • Responsible System Engineer - LE2 Missile

    Lockheed Martin (Littleton, CO)
    …Ballistic Missile \(FBM\) Program is seeking a Responsible Engineer to support Systems Engineering Integration and Test \( SEIT \) for the Trident II ballistic ... missile on the Life Extension 2 \(LE2\) program\. The SEIT team oversees interface definitions, plans and executes verification...the FBM Program for LE2\. The LE2 Missile Responsible Systems Engineer \(RSE\) is the technical advocate… more
    Lockheed Martin (12/13/25)
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  • Systems Engineer

    Lockheed Martin (Littleton, CO)
    …Trident II D5 Fleet Ballistic Missile\. Lockheed Martin \(LM\) is looking for an resourceful Systems Engineer to become a member of the Systems Engineering ... to accomplish major efforts involving multiple teams\. As a Systems Engineer , you will: * Develop system...a defense or aerospace environment * Strong understanding of systems Engineering principles * Generation of high\- level more
    Lockheed Martin (11/26/25)
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  • Sentinel - Staff Systems Engineer

    Northrop Grumman (Colorado Springs, CO)
    …Facilities and associated infrastructure. **What you will get to do:** The selected Staff ( Level 5) Systems Engineer will be supporting activities including ... Grumman Defense Systems is seeking a Staff Systems Engineer to join its team. This...in DOORS. + 3+ years of experience working with Systems Engineering and Integration and Test ( SEIT )… more
    Northrop Grumman (12/12/25)
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  • Model Based Systems Engineer

    Lockheed Martin (Littleton, CO)
    …- - Lockheed Martin seeks an a highly motivated innovative and talented Model Based Systems Engineer \(MBSE\) to join the Global Security team and become a ... member of the Systems Engineering and Integration Team \( SEIT \) in...- **What does this role look like?** As a Systems Engineer for Model\-Based System Engineering \(MBSE\)… more
    Lockheed Martin (12/04/25)
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  • Principal Software Systems Integration…

    Northrop Grumman (Colorado Springs, CO)
    …**Principal Software Systems Integration and Test Engineer ** to join the Systems Engineering Integration and Test ( SEIT ) team on the Deep Space Advanced ... 1 program (DS1). As a Software Integration and Test Engineer you will be a key member of the...Agile development methodologies + CompTIA Security+ Certification + SSCP ( Systems Security Certified Practitioner) Primary Level Salary… more
    Northrop Grumman (12/19/25)
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  • Systems Engineer

    Lockheed Martin (Littleton, CO)
    …We are hiring levels 2\-5\. If you are interested in joining LM and working as a Systems Engineer , please apply to this requisition\. - - - **What does this role ... Core Systems Engineering Keywords Systems Engineering Systems Integration and Test \( SEIT \) Requirements Development Requirements Traceability… more
    Lockheed Martin (11/02/25)
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  • Project Engineer Sr. Staff

    Lockheed Martin (Littleton, CO)
    …, you will: * Serve as an Integrated Product Team \(IPT\) leader for systems engineering integration and test \( SEIT \) providing engineering support to ensure ... Level :** Experienced Professional **Business Unit:** SPACE **Relocation Available:** Possible **Career Area:** Systems Engineering: Other **Type:** Full\-Time **Shift:**… more
    Lockheed Martin (11/09/25)
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  • Reliability Engineer , Staff ( Level

    Lockheed Martin (Littleton, CO)
    …Missile, Reentry, and Support Equipment hardware as part of a team within the Systems Engineering, Integration & Test \( SEIT \) organization, with a primary focus ... Team:** As part of the Fleet Ballistic Missile \(FBM\) Program, the Reliability Engineer role will include a wide variety of reliability engineering tasks and… more
    Lockheed Martin (11/20/25)
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  • Systems Engineer Senior (Colorado)

    Lockheed Martin (Highlands Ranch, CO)
    …:** Experienced Professional **Business Unit:** SPACE **Relocation Available:** Possible **Career Area:** Systems Engineering: Other **Type:** Full\-Time **Shift:** ... This position will be part of the MUOS SLE SEIT Team\! You will be a part of driving...spectrum-including risk management, trade‑study analysis, design‑review leadership, and Model‑Based Systems Engineering \(MBSE\) with tools such as IBM DOORS… more
    Lockheed Martin (12/18/25)
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