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# Software Engineer Sr - E3

- **Company:** Lockheed Martin
- **Location:** Rockville, MD, United States
- **Experience:** Expert
- **Salary:** $110,300.0 - $204,900.0
- **Contract:** Permanent contract
- **Skills:** Software Architecture, Software Engineering
- **Published:** October 31, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9280140/software-engineer-sr-e3

## About the Role

We're looking for a highly motivated and experienced software engineer to join our fast-paced development effort and contribute to the success of a very challenging and rewarding mission.

The successful candidate will have a commendable work ethic, good communication skills, a great attitude, be a results-oriented team player, creative thinker and problem-solver, and follow all ethical standards of the Lockheed Martin Corporation.

The responsibilities include supporting software design, development, and verification activities using the best software development practices as well as supporting critical test preparation and events that will occur in the Rockville, MD and eventually Bethesda, MD facilities.

Basic Qualifications

 * Software development experience and proficiency in C++, Linux, and Python
 * Currently holds a US government Security clearance of Secret or higher

Desired Skills

 * Experience in requirements definitions
 * Familiar with network protocols, packets forwarding concepts
 * Familiar with Interface Control Document (ICD) definitions
 * Experience in developing software in satellite communication domain and a good understanding of the related software architecture
 * Excellent communication skills
 * Ability to work in a fast-paced environment