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# Sr Systems Integration/Test Engineer - Level 3

- **Company:** Lockheed Martin
- **Location:** Greenwood Village, CO, United States
- **Experience:** Expert
- **Salary:** $95,900.0 - $178,100.0
- **Contract:** Permanent contract
- **Skills:** Confluence, JIRA, Microsoft Office, System Testing, Systems Integration, Integration Tests
- **Published:** October 29, 2026
- **Apply:** https://www.careerbuilder.com/job-details/sr-systems-integration-test-engineer-level-3-littleton-co--99edb5a1-acf9-4d50-b90c-24ecc7a392eb

## About the Role

System Integration (SI), Integration Testing, System Test, Cost Control, Analysis Skills, Testability, System Test, Input/Output, Testing, System Validation, * BS in Engineering/ Aerospace Engineering or related discipline from an accredited college or related experience

 * Experience in Space Vehicle/Missile Integration and Test
 * Expereince in Flight Test planning or execution with the Government
 * Experience in Test Plan development and spacecraft/missile operations and test.
 * US Citizenship required, ability to obtain a Secret security clearance

Desired Skills

 * Experience with JIRA/Confluence, DOORS, Cameo, and Microsoft Suite 365.
 * Possess strong, demonstrated leadership and the ability to work with personnel from diverse backgrounds and disciplines both internal and external to the organization.
 * Strong analytical and troubleshooting skills to understand a complex issue and recommend/take corrective action.
 * Experience in communicating and briefing program management.
 * Test Engineer and/or Certified Test Conductor
 * Willing to work overtime supporting off shifts and weekends in a 24/7 operations environment

## Description

Plans, implements, tests, documents, and maintains solutions for the integration and testing of in-house developed and COTS/GOTS components, elements, subsystems and/or systems. Synthesizes customer contractual needs and requirements into system test solutions that acknowledge technical, schedule and cost constraints. Establishes functional and technical specifications and standards, solves hardware/software interface problems, defines input/output parameters, and ensures integration of the entire system or subsystem. Reviews, evaluates and derives requirements for testability, develops and directs preparation and execution of comprehensive test plans, procedures and schedules for complete systems and/or subsystems. Coordinates subsystem and/or system testing activities with programs and other organizations. Performs analysis of test results and prepares comprehensive subsystem and/or system level evaluation reports which verify and validate system performance. Writes discrepancy reports
and performs integration regression testing to verify/validate incorporated fixes to software, components, subsystems and systems., Lockheed Martin Space in Denver, Colorado is seeking an experienced full-time Systems Integration & Test Engineer for the Assembly Integration Test and Launch (AITL) organization. This position will support a new IRAD program on the Flight Test team. This position will be responsible for planning and executing Flight tests. This position will include becoming an official Certified Test Conductor (CTC)