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# Software Engineer III/Sr/Principal, Flight Software

- **Company:** PROTINGENT
- **Location:** Aurora, CO, United States
- **Experience:** Expert
- **Salary:** $126,610.0 - $247,686.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Clean Code Principles, Agile Methodology, C++ (Programming Language), Client Server Models, Configuration Management, Static Program Analysis, Software Quality, Code Review, Software Design Patterns, Linux, Network Configuration and Change Management, Netconf, Object-Oriented Software Development, Scrum Methodology, Software Tools, Software Engineering, Software Systems, Subversion, Systems Modeling Language, UML, Software in the Loop, Git, Software Coding, Software Version Control, Programming Languages
- **Published:** October 29, 2026
- **Apply:** https://www.careerbuilder.com/job-details/software-engineer-iii-sr-principal-flight-software-centennial-co--1ebe37cc-c0af-4cc9-b069-d9fd56818e49

## About the Role

Software Engineering, Software Engineering, Software Development, Test Plan/Schedule, Best Practices, Coding Standards, Source Code/Configuration Management (SCM), Git, Change Management, Code Reviews, * Requires a bachelor's degree in a related field (or equivalent work experience in lieu of degree or master's +3 yrs experience).

 * Typically, 5+ years of related experience.
 * Expertise in one to multiple programming languages and advanced understanding of software development principles.
 * Ability to design and architect complex software systems.
 * Experience with different software development methodologies such as Agile and Scrum/Kanban.
 * Strong problem-solving skills.
 * Ability to mentor and guide other engineers.

Nice To Have:

 * Strong technical understanding of C++ and Object-Oriented Programming
 * Experience implementing client-server applications using socket I/O using TCP/UDP.
 * Experience implementing loosely coupled applications using PUB/SUB messaging
 * Familiarity with Open Standards such as CCSDS, C2MS, Open Mission Systems (OMS), and Universal C2 Interface (UCI)
 * Experience with spacecraft flight software development
 * Experience developing mission management and/or payload control software
 * Demonstrated experience leading a team developing software
 * Experience with software tools for requirements tracking, code reviews, static analysis, library and artifact repository, and automated build
 * Knowledge of software development methodologies such as Agile/Scrum
 * Experience and knowledge of Software Design Patterns
 * Experience using SysML/UML to create Software Designs
 * Experience testing and debugging on both Software in the Loop (SITL) and Hardware in the Loop (HITL, on target platform) environments
 * Experience with Source Code Configuration Management platforms (GIT, SVN)
 * Experience developing on Linux
 * Experience with network configurations including netconf
 * Experience with embedded programming including new board build up
 * Experience optimizing computer system performance including optimization for timing

## Description

* Design, develop, and test software applications for space systems and technologies.
 * Write clean, maintainable code following best practices and coding standards.
 * Architect and implement complex software systems to meet project requirements.
 * Collaborate with team members to understand project requirements and contribute to the development of software solutions.
 * Utilize version control systems such as Git to manage code changes and collaborate with team members.
 * Participate in code reviews to ensure code quality and adherence to development standards.
 * Troubleshoot and resolve software-related issues in a timely manner.
 * Document software configurations, processes, and procedures for future reference.
 * Stay current with industry trends and advancements in software development and space technologies.
 * Mentor and guide other engineers, providing technical leadership and support.