Description:Role Overview
As a Senior Staff System Integration/Test Engineer on the Next Generation Interceptor (NGI) program, you will help design and execute tests that ensure missile defense systems perform reliably. Your work will directly support the integration of advanced technologies and the development of solutions that protect people and nations from emerging missile threats.

Key Duties / Responsibilities
• Support subcontractors in developing compliant test plans, procedures, and reports.
• Lead working groups and collaborate with customer representatives and Lockheed Martin subject matter experts across disciplines within NGI.
• Contribute to major program reviews at the unit and subsystem level, including QRB, CDR, and TRR.
• Mentor junior engineers in environmental testing principles.
• Translate customer requirements into practical system test solutions while considering technical, schedule, and cost constraints.

Work Environment
You will be part of a collaborative, fast-paced engineering team focused on innovation and problem-solving. The role involves working closely with interdisciplinary teams, customer representatives, and subcontractors. Some domestic travel may be required. Work is primarily office- and lab-based, with opportunities to engage directly in testing environments.

Company Mission & Program Overview
Lockheed Martin is dedicated to solving complex challenges in defense and aerospace. The NGI program focuses on next-generation missile defense solutions to detect, intercept, and neutralize missile threats. This role directly supports the company’s mission to protect people and nations by advancing integrated defense technologies.

Why Lockheed Martin
Lockheed Martin offers a collaborative and innovative work environment where technical expertise is valued. Employees have opportunities to work on high-impact programs, develop professionally, and contribute to meaningful missions in defense and national security.

Why You’ll Love This Role
This role offers the chance to work on cutting-edge missile defense technology with highly skilled teams. You will mentor emerging engineers, influence system-level test strategies, and see your work make a tangible difference in national security. The position combines technical challenge, leadership opportunities, and meaningful impact.
Basic Qualifications:
Candidates must meet all of the following requirements to be considered:
• Subject matter expertise in environmental testing, including requirements allocation, test planning, procedure development, test execution, anomaly resolution, data analysis, and report preparation.
• Active Secret Security Clearance.
• Willingness and ability to mentor junior engineers.
• Willingness and ability to travel domestically as needed.
• Proficiency in Microsoft Office Suite (Excel, PowerPoint, Word).
Desired Skills:
The following skills are not required but strengthen a candidate’s qualifications:
• Bachelor’s degree from an accredited college in a related discipline such as Aerospace Engineering, Electrical Engineering, Mechanical Engineering, or other STEM discipline, or equivalent experience and education.
• Experience with unit/subsystem environmental testing and requirements verification.
• Experience with Automation Framework (AF) document generation, review, and execution.
• Certified Test Conductor (CTC).
• Knowledge of and ability to interpret and apply standards such as SMC-S-016, AIAA S-080, AIAA S-081, AIAA S-110, AIAA S-113, and AIAA S-114.
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret
Other Important Information You Should Know
Expression of Interest: 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.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: No
Career Area: Systems Engineering: Assembly/Integration and Test
Type: Full-Time
Shift: First