Senior Software Systems Engineer - Level 3

Basic Qualifications

• Experience in systems engineering, software engineering, or related field.
• Proven expertise in Cameo Systems Modeler / Cameo Enterprise Architecture or equivalent.
• Knowledge of SysML (System Modeling Language) and/or UML.
• US Citizenship required.
• Final secret clearance needed to start.

Job Description

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—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 re-imagining how space can connect us, ensuring security and prosperity.

Desired Skills

• INCOSE Certified Systems Engineering Professional (CSEP) or OMG Certified Systems Modeling Professional (OCSMP).
• Demonstrated ability to author clear, concise, and traceable software requirements—including functional, non-functional, and interface specifications—that align with stakeholder needs and project goals.
• Experience with DOORS a plus.
• Experience in Agile development, Configuration Management, DO-178C.
• Experience in aerospace, defense, or complex electronics.
• Clearance: Active secret security clearance.
• Experience DOD Software CDRL Development.
• Ability to thrive in a fast-paced, synergetic team environment.
• Demonstrated behaviors of a systems thinker with the ability to select and apply appropriate systems thinking skills to solve problems and implement constructive change.
• Excellent written and verbal communication skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members.

Other Important Information

By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.

Ability to work remotely
Onsite
Full-time