Systems Integration & Test Engineer

Job Description

As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world’s hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible products?

We provide the resources, inspiration and focus—if you have the passion and courage to dream big, then we want to build a better tomorrow with you.

Bring your experience and passion for engineering to Lockheed Martin, and build the systems which support our nation's defense systems.

• This requisition is used to capture interested candidates in opportunities at Lockheed Martin.
• You can’t and will not be hired on this requisition. Actual job responsibilities, levels, and locations will vary based on actual hiring job postings.

We are hiring levels 2-5. If you are interested in joining LM and working as a Systems Engineer, please apply to this requisition.

We are seeking a Systems Integration & Test (I&T) Engineer to support planning and execution of system, subsystem, and end-to-end test activities for space and ground mission programs. In this role, you will develop detailed test plans, procedures, scripts, and configurations, execute integration activities, troubleshoot anomalies, and ensure test events align with program requirements and verification objectives.

• Support planning and execution of system integration, verification, and validation activities.
• Develop verification strategies, test plans, and procedures aligned to program requirements.
• Support integration sequencing and readiness for test events.
• Participate in test execution, data analysis, and anomaly resolution.
• Document verification results and ensure closure of verification objectives.
• Support test readiness reviews and verification compliance reporting.

• Candidates may be subject to a government security investigation and must meet eligibility requirements for access to classified information.
• Applying to this Expression of Interest opportunity introduces you to Lockheed Martin's job opportunities and promotes you to managers who are interested in hiring for multiple roles.
• This requisition is used to capture interested candidates in opportunities at Lockheed Martin.
• You can’t and will not be hired on this requisition. Actual job responsibilities, levels, and locations will vary based on actual hiring job postings.

Locations:
Littleton, CO, King of Prussia, PA, or Sunnyvale, CA

Clearance Required:

Active Top Secret (TS/SCI preferred)

• Hands‑on experience with test equipment, instrumentation, labs, or simulation environments.
• Experience conducting functional, performance, environmental, or end‑to‑end tests.
• Knowledge of verification methodologies (e.g., analysis, test, inspection, demonstration).
• Familiarity with scripting languages (Python, MATLAB, etc.) for test automation or data analysis.
• Strong troubleshooting, problem solving, and root‑cause‑analysis capabilities.
• Prior experience supporting satellite, spacecraft, ground control, communications, payload, or mission system testing.

By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.

Onsite Full‑time:
The work associated with this position will be performed onsite at a designated Lockheed Martin facility.

Entry level

Full‑time

Quality Assurance

Defense and Space Manufacturing