> Markdown version of [/jobs/ext/1761300-satellite-simulation-and-test-software-engineer-iii](https://www.wearedevelopers.com/jobs/ext/1761300-satellite-simulation-and-test-software-engineer-iii). 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). --- # Satellite Simulation and Test Software Engineer III - **Company:** Blue Origin - **Location:** Denver, CO, United States - **Experience:** Experienced - **Salary:** $150,931.0 - $211,303.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), C (Programming Language), Artificial Intelligence, Systems Engineering, Biometrics, C++ (Programming Language), Configuration Management, Computer Programming, Continuous Delivery, Continuous Integration, Linux, Memory Management, Middleware, Embedded Software, Global Positioning Systems (GPS), Hardware Interface Design, Hardware-In-The-Loop Simulation, Inter-Process Communication, Python (Programming Language), Network Planning and Design, Object-Oriented Software Development, QNX (Software), Software Architecture, Systems Development Life Cycle, Queueing Systems, Real-Time Operating Systems, Server Administration, Simulation Software, Software Configuration Management, Software Engineering, Software Requirements Analysis, Verification and Validation (Software), Systems Integration, TCP/IP, Transmission Control Protocol (TCP), User Datagram Protocols, VxWorks, Data Processing, Scripting, Orbital Mechanics, Git, Containerization, Information Technology, Multiplatform - **Published:** July 29, 2026 - **Apply:** https://www.careerbuilder.com/job-details/satellite-simulation-test-software-engineer-iii-terawave-denver-co--efc03863-3290-4d8f-8826-eba39d64cf47 ## About the Role We are seeking a Satellite Simulation and Test Software Engineer III to design, develop, and verify simulation environments and models for testing TeraWave's satellite flight software subsystem. This role will be instrumental in software validation to support the expansion of TeraWave into a 5,408-vehicle constellation. The ideal candidate is a hands-on engineer who can think independently and work in collaboration with subject matter experts to build a practical, scalable, flexible simulation environment. This person will have experience with spacecraft command and data handling (C&DH), telecommand and telemetry processing, hardware I/O interfaces, and the physics of spacecraft systems., * Bachelor's degree in Computer Science, Software Engineering, Aerospace Engineering, or related technical field * 3-5+ years of experience in spacecraft software, simulation software, or embedded software development * Proven experience with C++ software development for flight or embedded systems * Strong programming skills in C, C++, and Python * Understanding of Object-Oriented problem solving and software layering to facilitate modularity and reuse * Some knowledge of inter-process communication (IPC) mechanisms including sockets, shared memory, message queues, or publish-subscribe middleware * Experience with software lifecycle, configuration management (Git), CI/CD, and containerized environments * Experience with verification/validation practices for mission-critical embedded software systems * Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum., * Master's degree in Computer Science, Software Engineering, or related field * Experience with simulation environments such as NASA's Trick * Knowledge of orbital mechanics and propagation models * Understanding of flight software/hardware interfaces including discrete I/O, TCP/IP, UDP, CAN, I2C, SPI, and RS-422/485 * Some experience with real-time operating systems (RTOS) such as Linux, QNX, VxWorks, RTEMS or equivalent * Experience with onboard time management, precision timing interfaces, or GPS-disciplined time synchronization * Familiarity with NASA cFS software architecture * Familiarity with spacecraft FDIR (Fault Detection, Isolation, and Response) concepts, Aerospace Engineering, Affirmative Action, Artificial Intelligence (AI), Background Investigation, C Programming Language, C++ Programming Language, CDL Driver's License, Computer Programming, Computer Science, Continuous Deployment/Delivery, Continuous Integration, Disability Accommodations, Embedded Software, Embedded Systems, Federal Laws and Regulations, GPS (Global Positioning System), Genetics, Git, Hazardous Materials/Substances, I2C, Input/Output, InterProcess Communication (IPC), International Operations, Interviewing Skills, Legal, Linux Operating System, Material Moving, Medical Records, Memory Management, Messaging Middleware, Middleware, Military, Multiplatform/Cross-Platform, Network Design, Object Oriented (OO), Onboarding, Problem Solving Skills, Python Programming/Scripting Language, QNX Operating System, RTEMS, Realtime Operating System, Regulations, Road Tests, Satellite Communications, Simulation, Sockets, Software Administration, Software Architecture, Software Configuration Management, Software Development, Software Development Lifecycle (SDLC), Software Engineering, Software Simulation, Software Testing, Software Validation, State Laws and Regulations, Systems Engineering, TCP/IP (Transmission Control Protocol/Internet Protocol), Testing, Time Management, UDP (User Datagram Protocol), United States Citizen, Validation Testing, VxWorks ## Description * Design, develop, and implement simulation software for testing and verifying TeraWave's flight software. * Collaboration with test team leads to develop a simulation environment that can be deployed on multiple platforms to support software-only test, HWIL test, real-time environment tests, and spacecraft AI&T * Collaborate with hardware, systems, and autonomy engineers to understand software requirements, interfaces, and behavioral boundaries across subsystems * Develop and integrate simulation environments and models to test FSW across a range of nominal and off-nominal operational scenarios * Participate in software integration, verification, and validation testing including software-in-the-loop (SIL) and hardware-in-the-loop (HIL) environments, 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 - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [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) - [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) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)