Software Engineer Sr - Level 3 (Top Secret) at Lockheed Martin

Department: Space

Compensation

$110,300 – $204,900/yr

Setup: On-site
Location: Upper Merion Township, Pennsylvania
Type: Full-time
Level: not_specified
Posted: Aug 14, 2026

Description

Lockheed Martin Space is hiring a full-time Software Engineer to develop, test, deploy, and maintain software for complex space-systems and space-domain-awareness capabilities. The role involves full-stack development with Java, JavaScript, and Node.js; version control, CI/CD, containerization, cloud infrastructure, API and microservices development, and Agile software delivery. Candidates need a bachelor’s degree or equivalent experience, recent relevant software-development experience, and an active Top Secret security clearance. The position offers a full-time salary range of $110,300 to $204,900 and medical, dental, vision, and other benefits.

Required Skills

Java
JavaScript
Node.js
Git
CI/CD
Docker
Kubernetes
REST APIs
Microservices
Quarkus
CesiumJS
PostgreSQL
Playwright
Cucumber

Additional Information

Minimum Education: Bachelor’s degree in computer science, computer engineering, another engineering discipline, or equivalent experience
Required Previous Experiences: Recent full-stack software development experience with Java, JavaScript, and Node.js
Experience with Git, GitLab, and Git Bash for software version control
Experience with CI/CD deployment pipelines, automated builds, and configuration tools
Experience with application containerization in a cloud environment
Familiarity with unit, integration, and end-to-end software testing
Experience working in an Agile development environment with Jira and Confluence
Preferred Qualifications: Three years of software development experience on the Whiskey program
Experience maintaining the Whiskey Program
Active Whiskey program clearance
Experience with RESTful API design and development
Experience with microservices and microservice architecture
Recent JavaScript library experience with web-based components
Experience with Lit for JavaScript front-end development
Experience with CesiumJS
Experience with HTML and CSS
Experience with Quarkus for backend Java development
Experience with Helm charts for infrastructure as code
Knowledge of PostgreSQL or MySQL database management systems
Familiarity with the Space Domain
Effective communication and collaborative work
Experience with Playwright unit testing and Cucumber integration testing
Experience working on large-scale software projects with multiple teams and stakeholders
Proficiency in AI prompting for the position