> Markdown version of [/jobs/ext/2493870-software-in-the-loop-test-engineer-ii](https://www.wearedevelopers.com/jobs/ext/2493870-software-in-the-loop-test-engineer-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software-in-the-Loop Test Engineer II - **Company:** Blue Origin - **Location:** United States - **Experience:** Experienced - **Salary:** $134,961.0 - $188,945.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Systems Engineering, Biometrics, Communications Protocols, Continuous Integration, Device Drivers, Github, Hardware Interface Design, Internet Protocol, Python (Programming Language), MATLAB, Real-Time Operating Systems, Simulink, Software Engineering, Subversion, Systems Integration, Transmission Control Protocol (TCP), Strategies of Testing, Universal Asynchronous Receiver/Transmitter, Scripting, Test Scripts, Gitlab, Git, Containerization, Kubernetes, Information Technology, Software Version Control, Docker, Jenkins - **Published:** August 9, 2026 - **Apply:** https://blueorigin.wd5.myworkdayjobs.com/BlueOrigin/job/Greater-Seattle-Area/Software-in-the-Loop-Test-Engineer-II_R70221 ## About the Role * Bachelor's degree in Computer Science, Electrical Engineering, or a related technical field * Over 3 years of relevant proven expertise in developing aerospace software simulation testbeds for innovative systems * Proficient in C / C++ development with a strong technical prowess * Skilled in Python or similar scripting languages * In-depth knowledge of real-time operating systems and embedded control systems, including APIs, interfaces, and device drivers * Familiarity with communication protocols such as UDP/TCP, I2C, UART, etc. * Strong understanding of the software development life cycle and testing methodologies. * Familiarity with version control systems (e.g., Git). * Exceptionally organized teammate with great written and verbal communication skills Desired: * Master's degree in Computer Science, Electrical Engineering, or a related field * 5+ years in large-scale engineering systems * Skilled in space vehicle software simulation integration * Proficient with Docker, Kubernetes, and containerization * Hands-on with CI/CD pipelines, Git, GitLab, or GitHub * Strong debugging at the software-hardware interface * Familiar with hardware emulation like Simics * Expertise in customizing continuous integration systems * Understanding of electrical and electronic engineering concepts * Solid grasp of IP networking * Competent in MATLAB and Simulink * Acquainted with GNC systems and 6DOF dynamics * Proficient with DOORs Next Generation, SVN, Jenkins * Active Top Secret/SCI desired ## Description The role is part of the In-Space Systems business unit, which is focused on addressing two of the most compelling challenges in spaceflight today: space infrastructure and increasing mobility on-orbit. As part of a hardworking team of engineers, you will be a key player in creating a groundbreaking software simulation testbed. Join our team and be at the forefront of innovation, taking ownership of planning, architectural design, requirements gathering, certification, and implementation for the exciting new software simulation testbed. Your expertise will be vital in owning development and planning of simulation models and test scripts. You'll contribute to critical work being performed by the development and testing teams, implementing simulation solutions crucial for the project's success. Moreover, you'll develop sophisticated simulation models that precisely reflect scenarios and craft detailed test scripts to guarantee integration and test events. Collaborate with teammates and valued customers to capture essential requirements, contributing to the creation of a comprehensive testbed for the Blue Ring Spacecraft that supports a wide range of development and operational activities. This position will directly impact the history of space exploration and will require your dedicated commitment and attention towards safe and reliable spaceflight. We are looking for someone to apply their technical expertise, leadership skills, and commitment to quality to positively impact safe human spaceflight. Passion for our mission and vision is required!, * Contribute to comprehensive release strategy, meticulous coordination, and detailed documentation processes. * Craft sophisticated and accurate simulation models that push the boundaries of what's possible. * Work with external customers and internal engineering teams to develop customer-specific simulation solution requirements. * Develop and execute tests on simulations to ensure robustness of models. * Develop intricate test scripts designed to ensure detailed integration and the success of crucial test events. * Support hardware/software integration efforts including anchoring simulations to hardware data. * Up to 10-15% domestic travel required., Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. Background Check * Required for all positions: Blue's Standard Background Check * Required for Certain Job Profiles: Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation * Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. * Required for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical ## 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) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [How to develop an autonomous car end-to-end: Robotic Drive and the mobility revolution](https://www.wearedevelopers.com/videos/22-how-to-develop-an-autonomous-car-end-to-end-robotic-drive-and-the-mobility-revolution) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Code to Road in < 12 hours](https://www.wearedevelopers.com/videos/1082-code-to-road-in-12-hours) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology)