Jobs and Careers

Software Engineer Sr - E3

King of Prussia, United Statesfull_timeVerifiedPosted 15 Aug 2026

💰 $204,900/yr($110,300/yr – $204,900/yr)

About the role

Standard Job Description

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

• Experienced in software development using programming and scripting languages such as Java, JavaScript, C#, Python, etc.
• Experience working in an Agile development environment, including tools such as Jira and Confluence
• US citizenship is required to obtain a government security clearance
• Active Top Secret Clearance
• Ability to obtain and maintain SCI clearance

Desired Skills

• Experience in application containerization (e.g. Docker, Kubernetes, Helm, etc.) in a cloud environment (AWS/Azure/Openstack/Openshift)
• Experience with frameworks such as .NET Core, Angular, etc.
• Experience with GitLab CI/CD - Deployment pipelines, automated build, and/or configuration tools
• Experience with databases (PostgreSQL & Redis)
• Strong knowledge of modern technology frameworks, cloud platforms (AWS, Azure, GCP), microservices, APIs, DevOps, and data architecture.
• Experienced with Horizon software application providing command and control services for satellites, antennas, and ground hardware assets.
• Experience with modern engineering practices such as Cross-Functional Agile teams and Capability-based planning
• Active TS/SCI security clearance
• Bachelor's degree in a related discipline, such as Computer Science, Software Engineering or other engineering disciplines or equivalent experience, with 9 or more years of professional experience; or 7 years of professional experience with a related Master’s degree

#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.