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# Software Systems Architecture Sr - E3

- **Company:** Lockheed Martin
- **Location:** King of Prussia, PA, United States
- **Experience:** Expert
- **Salary:** $95,900.0 - $178,100.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Artificial Intelligence, Systems Engineering, Configuration Management, Software Requirements Analysis, Software Systems, Systems Modeling Language, UML, DO-178B
- **Published:** August 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9096497/software-systems-architecture-sr-e3

## About the Role

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 (Unified Modeling Language)

 * US Citizenship required. Final secret clearance needed to start.

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

 - Proficient in AI prompting as it applies to this position and practice

#LMSpaceSoftwareEng

#LMSpaceSystemsEng

## Description

Develops and publishes corporate business automation plans using cost-effective delivery technologies in support of major corporate strategies. Performs complex software design activities integrating multiple technologies. Provides architectural guidelines for all software design activities to current and future technological environments. Maintains state-of-the-art knowledge of technologies, planning, design, and analysis methodologies. Responsible for the design and architectural guidelines for current and future software technological activities.


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