Systems Engineer Senior - Top Secret

Job ID:

726846BR Date posted: May. 04, 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. Within LM Space, the Victor Program Area is looking for a highly motivated Senior System Engineer to join a brand new effort that will be developing and integrating an Operational C2 system in a virtual cloud environment. As the Lead Developer for the effort, LM will be working closely with Mission Partners to deliver a fully integrated system to the Customer comprised of critical software applications. As a member of the Systems Engineering, Integration and Test team, you will work with the technical leads on the program on the following types of tasks:

• Requirements
• Decomposition & allocation of Customer provided requirements, identification of any requirement gaps, and recommendations to Customer on additional requirements
• Concept of Operations development for the System
• System Integration
• Work with various Mission Partners through involvement in working groups, and interface development and documentation
• Mission Analysis
• opportunities to conduct trade studies and perform analysis on various parts of the system
• Contract Deliverables (CDRLs)
• contribute to the creation and maintenance of CDRLs, such as System Design Documents, Requirements Verification Traceability Matrix, System Integration Test Plan
• Travel
• there will be opportunities to travel to support Working groups, Customer meetings, and Customer test events This new role provides the opportunity to be a part of the entire system engineering lifecycle, where the candidate will be able to apply their systems engineering, integration and test skills at the lowest level all the way up through full system functionality.

The position is full-time on-site in King of Prussia, PA.

Basic Qualifications:

• Experience with Requirements decomposition and allocation
• Experience with Interface definition and documentation
• Experience producing quality technical documents (ex. requirements documents, test plans/procedures, training material, trade studies)
• Experience working on an Agile scrum team using agile tools
• Active Top Secret security clearance, with previous SCI or special access clearance
• Experience working in a Top Secret environment

Desired Skills:

• Experience with CONOPS development
• Experience with System Level Test Planning and Execution
• Active TS/SCI clearance

Security Clearance Statement:

This position requires a government security clearance, you must be a US Citizen for consideration.

Clearance Level:

Top Secret with Investigation or CV date within 5 years

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:

Other Type:

Full-Time Shift:

First