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Java Software Engineer III Security Clearance

Job in King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listing for: Lockheed Martin
Part Time position
Listed on 2025-12-23
Job specializations:
  • Software Development
    Software Engineer, Java Developer
Job Description & How to Apply Below
Position: Java Software Engineer III with Security Clearance
Job Number 691465

Description:

Combat Effectiveness Core (CEC) team is building a space combat simulator to model space conflicts. What forces will be needed to win? How can available resources best be allocated? What are the most effective defenses to adversary threats? CEC software simulates a wide range of scenarios, wargaming the actions from both sides of a conflict to help our stakeholders develop strategy, tactics, techniques, and procedures.

The team builds on this foundation for our partners by creating Mission Applications spanning Space Domain Awareness, Battle Management Command/Control and Test/Training. We are looking for strong, team-oriented full stack Java/JavaScript software developers, background with orbital mechanics, mathematics, gaming and optimization strategies a plus. Summary of Key Duties for this position:
• Performance of all phases of software development (user interface and software services) including design, implementation, testing and verification
• Developing services that model orbital mechanics (propagation, orbit determination, in-view calculations, etc.)
• Developing services that solve optimization problems (dynamic programming, non-linear optimization, over-constrained planning, etc. )
• Detailed analysis and validation that algorithms are physically accurate and satisfy customers' mission
• Work collaboratively in small, fast paced agile teams, focused on product delivery to program customers You will be working side by side with extraordinarily talented and experienced engineers, while having the opportunity to lead and mentor less experienced individuals on the team. #LMSpaceMIAA

Basic Qualifications:

- Extensive experience in Java and/or JavaScript.

- Strong critical thinking and problem solving skills - Ability to communicate effectively and work in a collaborative environment - Must be eligible to obtain TS/SCI clearances
Desired

Skills:

• Bachelors degree from an accredited college in a related discipline, such as Math, Physics, Aerospace Engineering, Systems Engineering, Software Engineering or other engineering disciplines
• Familiarity with the Space Domain

• Knowledge of Orbital dynamics and Astro Standards math libraries
• Experience designing and implementing algorithms
• Experience with databases (e.g. Postgre

SQL)
• Experience working as a member of an Agile Scrum or Kanban team
Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI
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: Part-time Remote Telework:
The employee selected for this position will work part of their work schedule remotely and part of their work schedule at a designated Lockheed Martin facility. The specific weekly schedule will be discussed during the hiring process.
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…
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