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Software Engineer Sr

Lockheed Martin

Software and Technology Jobs

Software Engineer Sr

full-timePosted: Dec 16, 2025

Job Description


Description:WHO WE ARE
Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering.

LM SPACE: WHAT WE'RE DOING
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.

THE WORK
Lockheed Martin is seeking a talented Software Engineer with a TS/SCI clearance to work from either our King of Prussia, PA or Herndon, VA location(s).

This is an MID CAREER (level 3) ROLE where candidates typically require 3+ years of professional experience and a BS degree.

LM's Space Engineering & Technology, S2CO, Global Software Solutions Team! Space E&T develops, delivers, and operates affordable engineering and sustainment solutions for commercial, military and intelligence users across the globe. These mission critical efforts include development of innovative enterprise, cloud and application-based solutions for mission management, command and control, collection orchestration and tasking, processing, data analysis and analytics along with premier operations and sustainment capabilities of space- based programs in support of national security.

We are seeking a SW Engineer to participate in the design, development, test and maintenance of complex mission application software and database applications for the Paragon organization which supports multiple programs. Looking for someone who is (or is willing to become) a Domain/Subject Matter Expert in the Mission Management and/or Command and Control domains.

As a Software Eng. with Paragon, you will:
• Apply knowledge of computer hardware and software, information processing techniques, and information gathered from subject matter experts and system users to develop software applications.
• Plan, conduct, and coordinates software development activities.
• Design, develop, document, test, and debug software that contains logical and mathematical solutions to business/mission problems
• Apply the appropriate standards, processes, procedures, and tools throughout the development life cycle.
• Participate in code peer reviews, application demonstrations, data analysis, test planning and execution to ensure software intent and standards are met.
• Prepare operating instructions, generate program development documentation, and analyze system capabilities.
• Participate in failure investigations, anomaly resolution activities, and retrospective events

WHY JOIN US
Opportunity for Impact: Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization.

Professional Development: Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs.

Collaborative Culture: Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success.

Competitive Benefits: Lockheed Martin employees 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

We care about our employees and offer a generous benefits package: 401K, PTO, and work/life balance and more.
Basic Qualifications:
• Experience developing backend application software on a Linux platform using the one or more of the following programming languages: C/C++, Java
• Agile software development experience (SAFe, Kanban, Scrum)
• Demonstrate initiative, creativity, and innovation in developing application software that satisfies mission requirements and resolves code/logic defects in an efficient manner
• Experience designing, testing and debugging complex software applications with many interdependencies and interfaces
• An active TS/SCI security clearance is required for consideration with willingness to obtain a poly.
Desired Skills:
• Domain knowledge of mission planning and scheduling or command and telemetry systems
• Experience using software development tools and methodologies (Ant, Git, Maven, Gradle, Jenkins, Jira, Confluence, Collaborator, automated testing)
• Experience with cost estimation based on high level requirements and specifications
• Experience with application containerization technologies (Docker, Kubernetes)
• Experience using math and modeling tools (Matlab, STK)
• Experience developing software in Cloud Computing environments (AWS)
• An aptitude for developing code for math and physics-based algorithms
• The candidate should possess a high degree of ethics, an optimistic outlook, and have the ability to work independently within a team environment

#LMSpaceSoftwareEng
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI w/Poly
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

Locations

  • Multiple Locations, United States

Salary

Estimated Salary Rangemedium confidence

120,000 - 170,000 USD / yearly

Source: ai estimated

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

Skills Required

  • Demonstrate initiative, creativity, and innovationintermediate
  • High degree of ethicsintermediate
  • Optimistic outlookintermediate
  • Ability to work independently within a team environmentintermediate

Required Qualifications

  • Experience developing backend application software on a Linux platform using C/C++, Java (experience)
  • Agile software development experience (SAFe, Kanban, Scrum) (experience)
  • Experience designing, testing and debugging complex software applications with many interdependencies and interfaces (experience)
  • Active TS/SCI security clearance (experience)

Preferred Qualifications

  • Domain knowledge of mission planning and scheduling or command and telemetry systems (experience)
  • Experience using software development tools (Ant, Git, Maven, Gradle, Jenkins, Jira, Confluence, Collaborator, automated testing) (experience)
  • Experience with application containerization technologies (Docker, Kubernetes) (experience)
  • Experience using math and modeling tools (Matlab, STK) (experience)
  • Experience developing software in Cloud Computing environments (AWS) (experience)

Responsibilities

  • Design, develop, test and maintenance of complex mission application software and database applications
  • Apply knowledge of computer hardware and software to develop software applications
  • Plan, conduct, and coordinates software development activities
  • Participate in code peer reviews, application demonstrations, data analysis, test planning and execution
  • Prepare operating instructions, generate program development documentation

Benefits

  • general: Medical
  • general: Dental
  • general: 401k
  • general: Paid time off
  • general: Work/life balance
  • general: Career development
  • general: Mentorship opportunities
  • general: Rewards & recognition

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Lockheed Martin logo

Software Engineer Sr

Lockheed Martin

Software and Technology Jobs

Software Engineer Sr

full-timePosted: Dec 16, 2025

Job Description


Description:WHO WE ARE
Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering.

LM SPACE: WHAT WE'RE DOING
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.

THE WORK
Lockheed Martin is seeking a talented Software Engineer with a TS/SCI clearance to work from either our King of Prussia, PA or Herndon, VA location(s).

This is an MID CAREER (level 3) ROLE where candidates typically require 3+ years of professional experience and a BS degree.

LM's Space Engineering & Technology, S2CO, Global Software Solutions Team! Space E&T develops, delivers, and operates affordable engineering and sustainment solutions for commercial, military and intelligence users across the globe. These mission critical efforts include development of innovative enterprise, cloud and application-based solutions for mission management, command and control, collection orchestration and tasking, processing, data analysis and analytics along with premier operations and sustainment capabilities of space- based programs in support of national security.

We are seeking a SW Engineer to participate in the design, development, test and maintenance of complex mission application software and database applications for the Paragon organization which supports multiple programs. Looking for someone who is (or is willing to become) a Domain/Subject Matter Expert in the Mission Management and/or Command and Control domains.

As a Software Eng. with Paragon, you will:
• Apply knowledge of computer hardware and software, information processing techniques, and information gathered from subject matter experts and system users to develop software applications.
• Plan, conduct, and coordinates software development activities.
• Design, develop, document, test, and debug software that contains logical and mathematical solutions to business/mission problems
• Apply the appropriate standards, processes, procedures, and tools throughout the development life cycle.
• Participate in code peer reviews, application demonstrations, data analysis, test planning and execution to ensure software intent and standards are met.
• Prepare operating instructions, generate program development documentation, and analyze system capabilities.
• Participate in failure investigations, anomaly resolution activities, and retrospective events

WHY JOIN US
Opportunity for Impact: Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization.

Professional Development: Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs.

Collaborative Culture: Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success.

Competitive Benefits: Lockheed Martin employees 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

We care about our employees and offer a generous benefits package: 401K, PTO, and work/life balance and more.
Basic Qualifications:
• Experience developing backend application software on a Linux platform using the one or more of the following programming languages: C/C++, Java
• Agile software development experience (SAFe, Kanban, Scrum)
• Demonstrate initiative, creativity, and innovation in developing application software that satisfies mission requirements and resolves code/logic defects in an efficient manner
• Experience designing, testing and debugging complex software applications with many interdependencies and interfaces
• An active TS/SCI security clearance is required for consideration with willingness to obtain a poly.
Desired Skills:
• Domain knowledge of mission planning and scheduling or command and telemetry systems
• Experience using software development tools and methodologies (Ant, Git, Maven, Gradle, Jenkins, Jira, Confluence, Collaborator, automated testing)
• Experience with cost estimation based on high level requirements and specifications
• Experience with application containerization technologies (Docker, Kubernetes)
• Experience using math and modeling tools (Matlab, STK)
• Experience developing software in Cloud Computing environments (AWS)
• An aptitude for developing code for math and physics-based algorithms
• The candidate should possess a high degree of ethics, an optimistic outlook, and have the ability to work independently within a team environment

#LMSpaceSoftwareEng
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI w/Poly
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

Locations

  • Multiple Locations, United States

Salary

Estimated Salary Rangemedium confidence

120,000 - 170,000 USD / yearly

Source: ai estimated

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

Skills Required

  • Demonstrate initiative, creativity, and innovationintermediate
  • High degree of ethicsintermediate
  • Optimistic outlookintermediate
  • Ability to work independently within a team environmentintermediate

Required Qualifications

  • Experience developing backend application software on a Linux platform using C/C++, Java (experience)
  • Agile software development experience (SAFe, Kanban, Scrum) (experience)
  • Experience designing, testing and debugging complex software applications with many interdependencies and interfaces (experience)
  • Active TS/SCI security clearance (experience)

Preferred Qualifications

  • Domain knowledge of mission planning and scheduling or command and telemetry systems (experience)
  • Experience using software development tools (Ant, Git, Maven, Gradle, Jenkins, Jira, Confluence, Collaborator, automated testing) (experience)
  • Experience with application containerization technologies (Docker, Kubernetes) (experience)
  • Experience using math and modeling tools (Matlab, STK) (experience)
  • Experience developing software in Cloud Computing environments (AWS) (experience)

Responsibilities

  • Design, develop, test and maintenance of complex mission application software and database applications
  • Apply knowledge of computer hardware and software to develop software applications
  • Plan, conduct, and coordinates software development activities
  • Participate in code peer reviews, application demonstrations, data analysis, test planning and execution
  • Prepare operating instructions, generate program development documentation

Benefits

  • general: Medical
  • general: Dental
  • general: 401k
  • general: Paid time off
  • general: Work/life balance
  • general: Career development
  • general: Mentorship opportunities
  • general: Rewards & recognition

Target Your Resume for "Software Engineer Sr" , Lockheed Martin

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

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

Check Your ATS Score for "Software Engineer Sr" , 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 Clearance72B2A00:Remote Sensing

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

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~2 Minutes
Instant Score

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