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# LE2 Flight Systems Integration - SI Responsible System Engineer

- **Company:** Lockheed Martin
- **Location:** Littleton, CO, United States (Remote available)
- **Salary:** $128,400.0 - $226,435.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Software Requirements Analysis, Subsystems, Systems Integration, Trident
- **Published:** July 7, 2026
- **Apply:** https://www.jobmonkeyjobs.com/career/27826912/Le2-Flight-Systems-Integration-Si-Responsible-System-Engineer-Colorado-Littleton-1301

## About the Role

* Experience in missile, spacecraft or satellite design, integration, test and/or operations or product development
 * Experience in technical integration
 * Experience providing technical guidance and support across multiple disciplines, and facilitating collaboration among stakeholders to drive project success
 * Experience integrating various subsystems and components to meet system requirements
 * Experience working with teams and stakeholders in development projects
 * Active Secret security clearance
Desired Skills:

 * Bachelors degree in Engineering, Physics or related discipline, or equivalent experience
 * Previous missile experience
 * Missile System or Missile Subsystem integration experience
 * Missile or space segment design and test experience with one or more subsystems or fields outside of Systems Engineering
 * Strong technical initiative
 * Excellent written and verbal communication skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members, leadership, and customers
 * Ability to work in a fast-paced, synergetic team environment
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Top Secret, Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.

## Description

The Fleet Ballistic Missile (FBM) Program is seeking a System Integration Responsible System Engineer (SI RSE) to support the Flights Systems Integration team for the Trident II ballistic missile on the Life Extension 2 (LE2) program. The Flight Systems Integration team ensures technical integration activities across all the flight system capabilities and interfaces. The team ensures all interfaces are defined, compatible, testable and verifiable. The LE2 Flight Systems Integration SI RSE is the primary integrator across missile, guidance, fire control and payloads to ensure technical coherence across interfaces and capabilities to enable proper systems integration across all the subsystems.
As the LE2 Flight Systems Integration SI RSE on the FBM LE2 program, you will:

 * Provide technical leadership to the team to ensure consistent approaches to interface definition and compatibility throughout the life cycle
 * Provide technical leadership to the team to ensure test and analysis integration activities are fully enabled and planned
 * Direct and mentor a multidisciplinary team (structures, propulsion, guidance, avionics, payloads, etc.) to deliver an integrated flight system solution
 * Conduct trade studies and technology assessments for new materials and mission architecture concepts


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