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# Software Engineer Sr - E3

- **Company:** Lockheed Martin
- **Location:** Orlando, FL, United States
- **Experience:** Expert
- **Salary:** $98,100 - $182,100
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Unit Testing, Bash Shell, C Sharp (Programming Language), C++ (Programming Language), Computer Engineering, Data Mining, Software Debugging, Software Design Documents, Linux, DevOps, Web Development, Discrete Event Simulation, Memory Management, Game Engine, Python (Programming Language), Object-Oriented Software Development, Software Architecture, Software Engineering, Software Systems, Verification and Validation (Software), Safety Critical Systems, Gitlab, Git, Information Technology, Build Tools, Unreal Engine, Restful APIs, Software Version Control
- **Published:** November 4, 2026
- **Apply:** https://dejobs.org/x/x/F8C8CE65172A4F5B8FF104B355740190/job/

## About the Role

* Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, mathematics, or equivalent STEM field.
 * Experience using Git, Gitlab or equivalent tool.
 * Object oriented programming experience.
 * Ability to obtain secret clearance.

Desired Skills

 * Strong proficiency in object-oriented programming and object-oriented design principles. Preferably C++ professional experience.
 * Familiarity with Linux and bash scripting.
 * Familiarity with Python.
 * Familiarity with CI/CD pipelines and DevOps practices.
 * Experience with Git source control and collaborative development environments.
 * Knowledge of dynamic memory management, smart pointers.
 * Experience with physical or discrete-event simulation engines, game engines (e.g., Unreal Engine, Unity, PhysX).
 * Scripting and automation skills in Python, Bash, or C# for tooling, build systems, and data extraction.
 * Demonstrated capability to debug complex software architecture.
 * Experience developing web applications.
 * Experience designing and implementing RESTful Web Services/APIs.
 * Active Secret Security clearance or higher.

## Description

The ideal candidate is a motivated, adaptable engineer who enjoys solving complex technical problems, working collaboratively with cross-functional teams, and managing multiple priorities in a demanding program environment. This position provides an opportunity to work alongside multiple engineering disciplines while supporting mission-critical simulation and training systems used to prepare pilots and aircrew for real-world operations.

The Work:

As a key member of our Software Engineering team, you will:

 * Design, develop, document, test, and debug software that solves business/mission problems.
 * Work closely with software systems, visual simulation, instructor sttion and training environment teams to integrate new capabilities.
 * Apply established standards, processes, procedures, and tools throughout the development life cycle.
 * Translate high level requirements into detailed software specifications and design documents.
 * Design, code, and unit test C++/C components for real time or mission critical applications.
 * Develop and execute test plans (unit, integration, system verification) and record results.
 * Participate in technical reviews, engineering discussions and demostrations.
 * Develop and maintain techinical documentation, procedures, requirements, test plans, and other engineering artifacts.
 * Participate in all software development life cycle phases: requirements analysis, architecture/design, implementation, integration, verification, and hand off to production.
 * Ensure all software deliverables meet required quality and compliance standards.
 * Debug software that contains logical and mathematical solutions to business/mission problems.

This position requires a candidate who is a U.S. Citizen and has the ability to obtain a security clearance. The role is located at a facility that requires special access.