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# Systems Engineer Sr - E3

- **Company:** Lockheed Martin
- **Location:** Marietta, GA, United States
- **Experience:** Expert
- **Salary:** $85,300.0 - $158,300.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, JIRA, Automation of Tests, Continuous Delivery, Continuous Integration, Hardware-In-The-Loop Simulation, Software Engineering, Systems Integration, Test Case, Gitlab, System-level Testing, SC Clearance, Cucumber (Software)
- **Published:** October 22, 2026
- **Apply:** https://www.jobmonkeyjobs.com/career/28125575/Systems-Engineer-Sr-E3-Georgia-Marietta-1301

## About the Role

* Bachelor's degree in STEM discipline (Systems Engineering, Software Engineering preferred)
 * Strong background in Systems Engineering, Integration & Test, or complex system lifecycles.
 * Active Secret clearance (investigation 5yr).

Desired Skills

 * Strong working knowledge in decomposing and developing software level requirements.
 * Experience in various toolsets to include DOORS, Cameo and Jira.
 * Experience with test case development, execution, and adjudication.
 * Experience with software pipelines and Continuous Integration/Continuous Delivery (CI/CD) software developments concepts and tools (i.e. GitLab, software pipelines, test automation (Cucumber, etc.)
 * Experience interfacing with customer and program leadership.
 * Experience with digital engineering or model-based systems engineering.
 * Familiarity with Pilot Vehicle Interface (PVI) capabilities and functionality.
 * Familiarity with Simulation & Test Environments: Pilot-in-the-Loop, hardware-in-the-loop, flight-test beds, Systems Integration Labs, simulators and emulators.
 * Familiarity with Ground Control Station systems

## Description

You will be a Senior Systems Engineer on a Mission Systems (MS) Test Planning and Execution Team within an I&T Organization responsible for the integration and test of supplier procured software (SW) & hardware (HW) products while helping to development, define, and mature Lockheed Martin capabilities. The optimal candidate will be a self-starter who thrives in a fast-paced, autonomous environment with limited oversight., * Requirements Decomposition & Development: Decompose, define, and develop software and test requirements to meet the needs of internal and external customers.

 * Test Development & Execution: Develop, author, implement, and run system-level tests throughout the development lifecycle.
 * Documentation & Reporting: Develop and author test procedures, adjudicate test deficiencies, and capture test results to produce reports, and feed lessons learned back into development.
 * Technical Decision Making: Identify system needs to inform decision making with the ability to communicate rationale and provide technical justification to leadership and cross-functional teams.