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Java Software Engineer III

Lockheed Martin

Software and Technology Jobs

Java Software Engineer III

part-timePosted: Nov 30, 2025

Job Description


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 AstroStandards math libraries

• Experience designing and implementing algorithms

• Experience with databases (e.g. PostgreSQL)

• 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 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

Locations

  • King of Prussia, Pennsylvania, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 175,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Javaintermediate
  • JavaScriptintermediate
  • Orbital mechanicsintermediate
  • Agile developmentintermediate

Required Qualifications

  • Extensive experience in Java and/or JavaScript (experience)
  • Strong critical thinking and problem solving skills (experience)
  • Ability to communicate effectively and work in a collaborative environment (experience)
  • Must be eligible to obtain TS/SCI clearances (experience)

Preferred Qualifications

  • Bachelors degree from an accredited college in a related discipline, such as Math, Physics, Aerospace Engineering, Systems Engineering, Software Engineering (experience)
  • Familiarity with the Space Domain (experience)
  • Knowledge of Orbital dynamics and AstroStandards math libraries (experience)
  • Experience designing and implementing algorithms (experience)
  • Experience with databases (e.g. PostgreSQL) (experience)
  • Experience working as a member of an Agile Scrum or Kanban team (experience)

Responsibilities

  • Performance of all phases of software development (user interface and software services)
  • Developing services that model orbital mechanics
  • Developing services that solve optimization problems
  • Detailed analysis and validation that algorithms are physically accurate
  • Work collaboratively in small, fast paced agile teams

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Lockheed Martin logo

Java Software Engineer III

Lockheed Martin

Software and Technology Jobs

Java Software Engineer III

part-timePosted: Nov 30, 2025

Job Description


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 AstroStandards math libraries

• Experience designing and implementing algorithms

• Experience with databases (e.g. PostgreSQL)

• 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 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

Locations

  • King of Prussia, Pennsylvania, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 175,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Javaintermediate
  • JavaScriptintermediate
  • Orbital mechanicsintermediate
  • Agile developmentintermediate

Required Qualifications

  • Extensive experience in Java and/or JavaScript (experience)
  • Strong critical thinking and problem solving skills (experience)
  • Ability to communicate effectively and work in a collaborative environment (experience)
  • Must be eligible to obtain TS/SCI clearances (experience)

Preferred Qualifications

  • Bachelors degree from an accredited college in a related discipline, such as Math, Physics, Aerospace Engineering, Systems Engineering, Software Engineering (experience)
  • Familiarity with the Space Domain (experience)
  • Knowledge of Orbital dynamics and AstroStandards math libraries (experience)
  • Experience designing and implementing algorithms (experience)
  • Experience with databases (e.g. PostgreSQL) (experience)
  • Experience working as a member of an Agile Scrum or Kanban team (experience)

Responsibilities

  • Performance of all phases of software development (user interface and software services)
  • Developing services that model orbital mechanics
  • Developing services that solve optimization problems
  • Detailed analysis and validation that algorithms are physically accurate
  • Work collaboratively in small, fast paced agile teams

Target Your Resume for "Java Software Engineer III" , Lockheed Martin

Get personalized recommendations to optimize your resume specifically for Java Software Engineer III. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Java Software Engineer III" , Lockheed Martin

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

AerospaceDefenseSecurity Clearance4J10A00:MI Analysis and Assessments

Answer 10 quick questions to check your fit for Java Software Engineer III @ Lockheed Martin.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.