Staff Software Engineer - Level 4 (TS/SCI)

Lockheed Martin Space is seeking a Staff Software Engineer with TS/SCI clearance to lead the design and delivery of satellite mission planning software. This role blends hands-on technical leadership with mentoring across an Agile software team, delivering solutions that support space missions for internal and external customers. The position is onsite in King of Prussia, Pennsylvania, and requires U.S. citizenship.

Responsibilities

• Collaborate with a high-performing team of software engineers to develop, enhance, and sustain satellite mission planning capabilities.
• Design, develop, test, and demonstrate mission planning software solutions for both internal and external customers.
• Serve as a Satellite Mission Planning SME, providing technical leadership on mission planning concepts, algorithms, operational workflows, and software implementations.
• Lead the design and implementation of complex mission planning features, ensuring solutions align with mission requirements and system architecture.
• Support requirements analysis, architecture development, technical trade studies, and software design reviews.
• Mentor software engineers and provide guidance on mission planning domain knowledge, software design, and implementation best practices.
• Participate in Agile development activities including sprint planning, daily scrums, demonstrations, retrospectives, and release planning.
• Collaborate with systems engineers, operators, architects, and customers to translate mission needs into software capabilities.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, Aerospace Engineering, Applied Physics, Mathematics, or a related technical discipline, or equivalent experience.
• Extensive experience in satellite mission planning, mission scheduling, resource allocation, or spacecraft operations.
• Demonstrated expertise in the design, development, and implementation of mission planning algorithms and software systems.
• Experience serving as a technical lead or providing technical direction for software development efforts.
• Experience developing software using C#, Java, or similar object-oriented programming languages.
• Experience working within Agile software development teams.
• Active TS/SCI clearance with either a favorable polygraph adjudication, or agreement to submit to a polygraph, and U.S. Citizenship required.

Technologies

• C#, Java
• GitLab CI/CD

Benefits

• Flexible schedules
• Competitive pay
• Comprehensive benefits

Security Clearance

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

Clearance Level

TS/SCI w/Poly

Education

Bachelor's degree

Experience Level

Experienced Professional

Business Unit

SPACE

Relocation Available

Possible

Career Area

Software Engineering

Type

Full-Time

Shift

First

Other Information

• 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. If matched, you may be contacted for this and future openings.
• Ability to Work Remotely: Onsite Full-time; work performed onsite at a designated Lockheed Martin facility.
• Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility. Schedules range from standard 40 hours over five days to condensed options, in addition to 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 to receive optimal consideration.