Software Engineer Sr

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Software Engineer Sr

Full Time

Herndon VA 22096 USA

Posted 02/06/2026

Job Descriptionback to top

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. And were reimagining how space can connect us, ensuring security and prosperity.

THE WORK
LM's Space Engineering & Technology, S2CO, Global Software Solutions Team 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 within National Security Space (NSS).

As Software Engineer 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, & analyze system capabilities.
Participate in failure investigations, anomaly resolution activities, and retrospective events

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

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 working as part of an Agile software development team that followed Kanban, Scrum, or SAFe practices
Experience developing backend application software using C/C++ or Java on a Linux platform
Experience designing, testing and debugging complex software applications with many interdependencies and interfaces
Active TS/SCI security clearance
Desired Skills:
Domain knowledge of space ground software systems (e.g. mission planning and scheduling or command and telemetry systems)
Experience using software development tools Experience using software development tools and methodologies (Jira, Git, Jenkins, Confluence, Collaborator, automated testing)
Experience on large scale software development programs
Experience with cost estimation based on high level requirements and specifications
Excellent communication and interpersonal skills

#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, youre 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

Job Requirementsback to top

Experience working as part of an Agile software development team that followed Kanban, Scrum, or SAFe practices
Experience developing backend application software using C/C++ or Java on a Linux platform
Experience designing, testing and debugging complex software applications with many interdependencies and interfaces
Active TS/SCI security clearance

Job Detailsback to top

Location Herndon, VA, 22096, United States

Categories Computer Software

Pref Degree Bachelors

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Contact Informationback to top

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Job Code 716052BR

Software Engineer Sr