System Integration/Testing Engineer - Level 5 (Secret)

JOB ID:

724324BR Date posted: Apr. 13, 2026

Description:

Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We're erasing boundaries and forming partnerships across industries and around the world. We're advancing spacecraft and the workforce to fuel the next generation. And we're reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin Space is seeking a Level 5 System Integration/Testing Engineer to lead the integration, test, and verification of advanced Global Navigation Satellite System (GNSS) and Satellite‑Based Augmentation System (SBAS) solutions. The role involves applying rigorous systems‑engineering and software‑development processes, ensuring compliance with industry‑standard development‑assurance guidelines, and delivering high‑reliability navigation capabilities for our commercial customers. Integration & Test Lead

• Develop and execute integration, test, and verification (IT&V) plans for

GNSS/SBAS

hardware and software, including test‑procedure creation, test execution, data analysis, and reporting. Assurance Standards Application

• Apply

SAE ARP4754A, SAE ARP4761, RTCA DO

‑178C, DO‑278A, and/or DO‑254 as appropriate to ensure safety, reliability, and airworthiness. Risk & Safety Analysis

• Conduct hazard assessments, FMEA, and other safety analyses; mitigate technical and program risks. Cross‑Disciplinary Coordination
• Work closely with software, hardware, RF, electrical, and mission‑operations teams to resolve integration issues. Mentorship & Expertise
• Provide technical guidance to junior engineers and serve as a subject‑matter expert on

GNSS/SBAS

technologies. Stakeholder Interaction

• Communicate status, risks, and technical findings to customers, suppliers, and subcontractors.

Benefits of Employment:

To promote the sharing of ideas, Lockheed Martin cultivates an inclusive work environment that inspires differences and big-picture thinking. Here are some of the benefits you can enjoy: Medical Dental 401k Paid time off Work/life balance Career development Mentorship opportunities Rewards & recognition

Basic Qualifications:

Familiar with the application of systems engineering and software development processes to the design, development, integration, test, and verification of complex systems. Experience with Global Navigation Satellite System (e.g. GPS, Galileo, etc.) Experience with the application of one or more of the following development assurance standards:

SAE ARP4754A, SAE ARP4761, RTCA DO-178, RTCA

DO-278A, and

RTCA DO-254

Must have an Interim Secret Clearance to start with the ability to obtain and maintain a Secret clearance. (Must be a U.S. Citizen)

Desired Skills:

Satellite Based Augmentation System experience Systems engineering background (requirements, design, interfaces, etc.) Safety certification experience Willingness / ability to travel Secret clearance

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:

Possible Career Area:

Systems Engineering:

System of Systems Integration Type:

Full-Time Shift:

First At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology:

From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture:

Excellence, integrity, and collaboration define us. We accelerate change and embrace one another's perspectives to win for our customers.

Real Impact, Real Growth:

Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life:

Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond. Empowered to

Be Your Best:

Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet. Here, the possibilities are endless because we offer: Flexible Schedules, dependent on role

Levels:

Student, Entry, Mid, Senior, Management Locations:

Nationwide & OCONUS Positions