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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Aerospace Software Test Engineer II - **Company:** Firefly Aerospace - **Location:** Cedar Park, TX, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Testing (Software), Agile Methodology, Confluence, JIRA, Automation of Tests, Unit Testing, C++ (Programming Language), Computer Engineering, Linux, Hardware-In-The-Loop Simulation, Python (Programming Language), Commercial Software, Scrum Methodology, Real-Time Operating Systems, Red Hat Enterprise Linux, Software Safety, Software Engineering, Test Case, Git, Git Flow, Information Technology, Bitbucket, DO-178B - **Published:** July 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=95febe5bd52ffbcf ## About the Role * Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience, with a strong portfolio demonstrating relevant projects and accomplishments. * 3 to 5+ years of experience with formal software testing and reporting for releases, FQT and/or Software Certification * Fulltime Industry experience with formal software testing and reporting * Good C/C++ and Python knowledge * Development experience under the Linux operating system * Knowledge of the Agile Software Development Model * Use of Git version control on a commercial software product Desired * Advanced degree in Software Engineering, Computer Sciences, or Computer Engineering * Exceptional C/C++ or Python development skills * Experience with software tests running in the Red Hat Enterprise Linux 8 Real-Time operating system * Practical experience using an Agile Software Development framework like Kanban, SCRUM, or Lean Development * Experience using Atlassian Confluence, Jira, and Bitbucket * Experience using the NASA Trick Simulation Environment * Practice using the GitFlow Workflow * Working knowledge of DO-178C, NASA NPR 7150.2C, RCC 319-19, or AFSPCMAN 91-710 Vol 3 requirements Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, educational reimbursement, short term disability, and flexible PTO options. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. ## Description Your role as a Software Engineer on the test team will be critical to the success of Firefly Aerospace Software for use on launch vehicles, spacecraft, and launch facilities. You will use all-digital and hardware-in-the-loop simulation environments to test our Flight and Ground software. This will include testing of software changes where you will act as a formal independent peer reviewer for software changes. Software Engineers on the test team will also be responsible for developing and executing formal qualification software tests and certification tests including safety-critical testing as required by the U.S. Space Force Launch Facilities and the FAA, for pre and post launch software safety. You will be part of the Aerospace Software Engineering Group and will work closely with Flight Software, Ground Software, and Software Simulation personnel to provide thorough tests for our software before use on a launch vehicle, spacecraft, or launch site., * Design and develop test procedures for testing our Ground and Flight Software in all-digital and hardware-in-the-loop simulation environments * Develop software for automating test case execution and report generation * Setup automated testing of daily commits of new Ground and Flight Software and act as a peer reviewer for Merge/Pull Requests * Create unit tests for simulation models, Flight Software, and Ground Software * Adhere to customer test requirements, whether internal or external * Develop and document requirements, designs, plans, and schedules * Provide accurate test development milestones and communicate them to the Group * Use Firefly Aerospace Software Engineering development processes and best practices * Actively learn new test technologies and techniques and apply them to Firefly Aerospace Software testing ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Hiring AI Native Talents](https://www.wearedevelopers.com/videos/100268-hiring-ai-native-talents) ## Related Articles - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)