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Software Engineer Sr - E3

Job in Valley Forge, Phoenixville, Chester County, Pennsylvania, 19485, USA
Listing for: Lockheed Martin
Full Time, Part Time, Seasonal/Temporary position
Listed on 2026-10-30
Job specializations:
  • Software Development
    Software Engineer, DevOps
Salary/Wage Range or Industry Benchmark: 110300 - 204900 USD Yearly USD 110300.00 204900.00 YEAR
Job Description & How to Apply Below
Location: Valley Forge

Requisition  Eligible?:
Yes Relocation:
Possible Type:
Exempt

Shift: 1

Clearance Prior to Start: TS/SCIFinal Clearance:
None Pay Transparency: $ - $Experience Level: Experienced Professional FT/PT/Casual:
Full Time Department :
Space Business Unit:
Space 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
• Experience developing software in any of the following languages:
Java, C++, JavaScript, Python
• Experience with application containerization (Kubernetes, Helm, Docker, Containerd) in a cloud environment (AWS, Azure, Open Stack, Open Shift)
• Experience working in an Agile development environment, using tools such as JIRA and Confluence
• Experience with CI/CD - Deployment pipelines, automated build, and configuration tools (Gitlab, ArgoCD)
• Must be a US Citizen;
Must have a current Top Secret clearance with the ability to obtain and maintain a Top Secret/SCI security clearance. This position is located at a facility that requires special access.

Desired Skills
• Recent on-program experience as a technical lead (e.g., architecture design, technical research, project management, define/enforce code quality standards, etc.)
• Development experience with any of the following programming languages:
Java or Python
• Recent on-program Site Reliability Engineering (SRE) experience (e.g., automation, incident management, monitoring, optimization, programming/scripting, metrics, security, etc.)
• Development experience with Linux and shell scripting (e.g., bash)
• Familiarity with the Space Domain
• Ability to communicate effectively and work in a collaborative environment
• Ability to communicate verbally and in writing at a professional level
• Demonstrated ability to establish strong team relationships and deliver exceptional results
• Strong critical thinking and problem-solving skills
• Ability to work effectively in a fast-paced and rapidly changing environment
• Strong time management skills that enable on-time project delivery
• Active TS/SCI security clearance#LMSpace Software Eng #Space Security#SpaceNSSPay 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,…
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