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# Software Engineer Sr - E3

- **Company:** Lockheed Martin
- **Location:** Fort Worth, TX, United States
- **Experience:** Expert
- **Salary:** $98,100.0 - $182,100.0
- **Contract:** Contract
- **Skills:** Java (Programming Language), C++ (Programming Language), Computer Programming, Continuous Integration, Software Debugging, Linux, Python (Programming Language), Open Source Technology, Scrum Methodology, Systems Development Life Cycle, Real-Time Operating Systems, Simulation Software, Software Engineering, Systems Integration, Gitlab, Computer Equipment, Build Management, Build Process, Bitbucket, Jenkins
- **Published:** October 15, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9240602/software-engineer-sr-e3

## About the Role

Proven experience in planning, prioritizing, and executing tasks efficiently.

Strong communication skills and the ability to work across organizational boundaries., * Bachelor's degree or above from an accredited college/university in a STEM discipline (or equivalent experience)

 * Experience developing software on Linux

 * Experience with simulation software Environments

 * Experience programming in C++ and/or Java

Desired Skills

 * Experience with CI tools, such as Jenkins, GitLab, or Bitbucket

 * Experience with Real-time software development and integration

 * Experience programming in Python

 * A strong interest in supporting software development for airborne systems

 * Experience with aircraft sensors, datalinks, navigation, and/or weapons

 * Experience with Open Mission Systems

 * Experience leading software projects

## Description

Plans, conducts, and coordinates software-development activities. Designs, develops, documents, tests, and debugs software that provides logical and mathematical solutions to business or mission problems. Applies appropriate standards, processes, procedures, and tools throughout the development life-cycle. Leverages knowledge of computer hardware, software, and domain-specific requirements to create robust applications. Corrects program errors, prepares operating instructions, compiles documentation, and analyzes system capabilities to resolve questions of intent, output requirements, input data acquisition, programming techniques, and controls. Ensures adherence to software standards.

What You'll Be Doing

As a Software Integration Engineer, you will drive the full technology-development lifecycle-from system and software design to automation tooling, infrastructure upgrades, and seamless software integration. You will work across diverse host environments, including aircraft software, high-fidelity simulators, and lab setups that combine constructive simulations, physical hardware, and system-level models.

Core Responsibilities

Develop, integrate, support, and debug cutting-edge software across multiple platforms.

Own and troubleshoot CI/CD pipelines, ensuring builds are fast, reliable, and reproducible.

Champion virtual development labs and aircraft-software workflows, keeping them agile and user-friendly.

Design and build automation frameworks using open-source, commercial, and in-house tools, experimenting with the latest technologies.

Participate daily in scrums, sprint reviews, and technical demos, sharing progress and insights with the team.

Why This Role Is Exciting

Join a high-performing, multi-program team where every day brings a new technical challenge.

Collaborate with engineers, scientists, and customers, sharpening communication and problem-solving skills.

Directly influence automation infrastructure, software integration, and build processes that power critical aerospace programs.