Senior Software Engineer (Level 3)
Lockheed Martin· Defense· Sep 1, 2026 · 2mo ago
King of Prussia, PA
In office
Full-time
Senior
$150K–$200K est.
Job description
Standard Job Description
The coolest jobs on this planet… or any other… are with Lockheed Martin Space!
At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world by using our outstanding skills and experiences to create, craft and build solutions to some of the world’s most complex engineering problems. Our culture supports employees to dream big, perform with excellence and create incredible products.
Our Mission
Lockheed Martin has partnered with the United States and its stakeholders. Working collaboratively, we are challenged with finding innovative solutions to provide freedom of operations and protect the interests of the United States in space. We are developing and evolving software solutions that solve critical emerging needs:
• Generating and simulating operational level plans to explore the art of the possible, how we could defend the ultimate high ground in a future space war
• Dynamically optimizing both terrestrial and space-based sensors to provide comprehensive space domain awareness
• Strategically optimizing the placement and maneuvering of constellations of satellites to satisfy multiple, evolving priorities
Our team leverages industry standard open-source software solutions such as GitLab, Kubernetes, Docker, and Rancher. Our automation-first and “everything as code” mindset allows our software engineers to focus their time and efforts on what is most important - building cutting edge functionality for our end users.
You will have the opportunity to be a full-stack developer working on both front-end and back-end software using JavaScript as well as developing automated tests (unit tests, service level tests, and end-to-end tests) to ensure high quality software that is built into our continuous integration and continuous delivery pipelines.
The information below reflects the standard job description for this position:
Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.
Basic Qualifications
• Recent experience in software development Java for full-stack development
• Recent Java experience with frameworks for cloud environments (e.g. Quarkus)
• Experience writing and running unit tests with tools such as JUnit
• Experience with application containerization (e.g. Docker, Kubernetes, Helm, Rancher, etc.) in a cloud environment (AWS/Azure/Openstack/Openshift)
• Experience with CI/CD - Deployment pipelines, automated build, and configuration tools
• Experience with software version control tools, such as Git
• Experience working in an Agile development environment, using tools such as Jira and Confluence
• Candidate must be eligible for TS/SCI clearance, but no clearance is required to start
Desired Skills
• Bachelor’s degree in a computer science, computer engineering, other engineering discipline, or equivalent experience
• Recent experience in software development using JavaScript and Node.js
• Experience with creating, running, and maintaining automated tests
• Familiarity with the Space Domain
• Ability to communicate effectively and work in a collaborative environment
• Knowledge of database management systems, such as PostgreSQL or MySQL
• Experience with API design and development, such as RESTful APIs
• Experience with microservices and microservice architecture
• Experience working on large-scale software projects with multiple teams and stakeholders
#LMSpaceSoftwareEng
#SpaceSecurity
#SpaceNSS
Pay Information
Full-Time Salary Range: $110300.00 - $204900.00
At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.
The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.
• Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.
Application prep
Use the role’s language and application details while tailoring your materials.
Keywords to mirror
kubernetesdockerjavascriptjavaawsazureci/cdagilejiranode.jsapi
- Platform
- eightfold
- Effort
- medium
Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Pto
Paid Time Off
Parental Leave