Systems Integration & Test Engineer III

Lockheed Martin•Huntsville, AL

4d•Onsite

About The Position

As a Systems Integration & Test Engineer, you will help ensure complex systems perform as designed by planning, executing, and documenting integration and test activities. You will work across engineering teams to translate requirements into effective test solutions and support system-level verification and validation efforts that are critical to mission success. This role focuses on hands-on test planning, execution support, and technical coordination, with opportunities to contribute across the system lifecycle. At Lockheed Martin, our mission is to deliver innovative, reliable solutions that support national security and space exploration. Our integration and test teams play a vital role in ensuring systems perform safely, reliably, and exactly as intended—before they ever reach operational use. This role supports programs where quality, rigor, and accountability matter, and where engineering excellence directly contributes to real-world outcomes.

Requirements

Experience developing hardware test plans and test procedures
Experience preparing and supporting Test Readiness Reviews (TRRs) and Technical Interchange Meetings (TIMs) or equivalent technical review packages
Ability to support system- and subsystem-level integration and test activities

Nice To Haves

Experience supporting missile and/or satellite development programs
Strong written and verbal communication skills, including preparing and delivering technical presentations
Certified Test Conductor
Experience across multiple phases of a program, such as development test, flight test, operations, and systems engineering

Responsibilities

Develop, review, and execute system and subsystem test plans, procedures, and schedules
Support and participate in design reviews, TRRs, and technical interchange meetings
Integrate and test in-house developed and COTS/GOTS components and subsystems
Translate customer and program requirements into practical, executable test approaches
Coordinate test activities across engineering teams, programs, and partner organizations
Analyze test results and prepare clear, accurate test reports validating system performance
Document anomalies, write discrepancy reports, and support regression testing after fixes
Ensure test activities meet technical, schedule, and cost constraints