Systems Engineer Sr

Basic Qualifications

• Bachelor Degree in an engineering discipline.
• Experience in the overall system engineering lifecycle.
• Experience with missile, defense, aerospace, or related systems.
• Experience developing architecture of missile, defense, or aerospace systems.
• Experience working with government customers.
• Active or current Secret clearance; US citizenship required.

Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future‑ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation.

And we’re reimagining how space can connect us, ensuring security and prosperity.

As a System Engineer Sr. Staff on the Medusa program, you lead the definition, evolution and validation of the overall system architecture. In this role, you will:

• Support the Chief Systems Engineer
• Translate program mission objectives and stakeholder needs into requirements
• Conduct trade studies and maintain traceability from requirements through architecture to verification
• Develop and document the system architecture
• Define the high‑level functional, logical and physical architectures
• Facilitate design reviews (SRR, PDR, CDR) and ensure compliance with standards
• Coordinate with test and validation teams to ensure architecture supports testability and maintainability
• Work with multidisciplinary teams to ensure seamless integration of subsystems
• Communicate architectural rationale to leadership, customers and external stakeholders

• Knowledge of AGILE process
• Proficiency with MBSE architecture tools
• Experience in trade‑off analysis, performance modeling
• Experience troubleshooting system level integration and testing events
• Experience as a team or systems lead collaborating across engineering disciplines

Onsite Full‑time:
The work associated with this position will be performed onsite at a designated Lockheed Martin facility.