Job ID: 713981BR Date posted: Jan. 12, 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 re-imagining 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.

The Sentinel program seeks a motivated, detail focused Software Systems Engineer who will integrate system and software designs into a unified product, maintain end to end traceability, and contribute to test equipment development.
Key Responsibilities
• Translate system architecture, customer/product requirements, and CONOPS into detailed software requirements and interface definitions.
• Support verification planning by establishing clear traceability links from architecture through requirements to test artifacts.
• Leverage cutting edge Model Based Systems Engineering (MBSE) tools and processes (e.g., SysML, MagicDraw, Cameo) to create synergistic models that connect verification items, requirements, and design elements.
• Develop and maintain product and process documentation (CDRLs – Contract Data Requirements List) in accordance with contract requirements.
• Coordinate design information across the system to ensure consistency and completeness throughout the development lifecycle.
• Use your excellent communication skills to work across the Lockheed Martin organization and customer/user community to ensure consensus and understanding of solutions

You have opportunities to play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually.

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:
· Experience in one or more Software Systems
Engineering functions, such as:
· Subsystem design or analysis
· Systems or software modeling experience
· Requirements and Software Interface Control
Document (ICD) development
· Ability to obtain secret security clearance
· Ability to Obtain CompTIA Security+ Certification
Desired Skills:
• Active Secret Clearance
· Systems and/or software engineering
experience or relevant systems engineering
training through a university or certificate program
· Experience with:
o Software Requirements Development (DOORS Experience a plus)
o SW architecture development
o Cross reference SW architecture to system architecture and design
o DOD Software CDRL Development
o Software Model Development with modeling tool such as Cameo or Rhapsody
· Familiarity with modeling language(s) such as
SysML/UML and Architecture Framework(s) such as DODAF]
· Ability to understand code written in programming languages such as C, C++,
· Familiar with Agile Development Process
· Experience with a related Program, Project or Customer a Plus
· Ability to work in a fast-paced, synergetic team
environment
· Demonstrated behaviors of a systems thinker
with the ability to select and apply appropriate
systems thinking skills to solve problems and
implement constructive change
· Excellent written and verbal communication
skills, strong social skills, and ability to build
consensus among peers while building solid
relationships with team members
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: Software Engineering
Type: Full-Time
Shift: First