Senior Software Systems Engineer - Level 3

Lockheed Martin•King of Prussia, PA

19h•Onsite

About The Position

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 re-imagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. The Software Systems Engineer will use Model-Based Systems Engineering (MBSE) methodologies to define, design, and maintain complex system architectures using Cameo Systems Modeler (MagicDraw). This role bridges the gap between high-level system requirements and detailed software development, ensuring traceability and consistency across the lifecycle.

Requirements

Experience in systems engineering, software engineering, or related field.
Proven expertise in Cameo Systems Modeler / Cameo Enterprise Architecture or equivalent.
Deep knowledge of SysML (System Modeling Language) and/or UML (Unified Modeling Language)
Ability to obtain secret security clearance

Nice To Haves

INCOSE Certified Systems Engineering Professional (CSEP) or OMG Certified Systems Modeling Professional (OCSMP).
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

Responsibilities

Model Development: Create, maintain, and update SysML and UML models (Structure, Behavior, and Requirements) in Cameo Systems Modeler.
Requirements & Traceability: Derive, define, and manage software requirements and use cases, ensuring end-to-end traceability from systems architecture to software code.
Collaboration: Work within a multidisciplinary team to define interdependencies and interfaces.