Software Engineer 1 Jobs in Colorado (NOW HIRING)

Location: Greenwood Village, Colorado

Compensation: $100,000 - 120,000 USD / year

York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next‑generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end‑to‑end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mission operations, enabling customers to leverage York's existing technology solutions to get to orbit rapidly and responsively.

We're looking to expand our team across the board. We're looking for a passionate candidate with an Aerospace and Software background to expand our Simulation, Integration, and Test (SIT) team. The SIT department plays a pivotal role in ensuring the successful deployment and operation of satellites by providing support to critical areas: Flight Software, Ground Software, Vehicle Test, and Mission Operations. The department collaborates with engineering teams to develop and maintain modern software engineering standards that lead mission success. Additionally, it supports rigorous testing processes to validate hardware and software, minimizing risks prior to launch. On the ground, the department supports the seamless operation of ground software systems for satellite communication, monitoring, and control, facilitating real‑time data analysis and mission management. Together, these efforts ensure that satellites are properly launched, placed into orbit, and operated efficiently, supporting a range of applications for our customers.

The ideal candidate will act as the critical interface between developers and our internal customers. They will be working across engineering teams to build and improve on simulation and test products and help integrate and test mission critical software.

• Develop features & bug fixes for SIT products with guidance from leadership and senior engineers
• Develop automated tests for multiple systems such as flight and ground software
• Translate high‑level designs and requirements into high quality code.
• Provides direction to more junior engineers on feature development
• Interact with other York departments to support usage of SIT products
• Support test‑like‑you‑fly, test driven development for spacecraft flight software, ground software, and space vehicle integration
• Write and execute test plan documents and use cases with collaboration from other York developers
• Write robust and scalable features & tests to promote modularity and maximize re‑use across departments
• Perform troubleshooting and debugging of SIT products, tools, and infrastructure
• Follow coding contribution standards and agile development practices
• Create documentation and user guides
• Create and maintain CI/CD pipelines
• Communicate complex topics to non‑technical audiences

• Bachelor's degree or greater in Aerospace Engineering, Computer Science, or related field
• 2-4 Years of experience in Software Engineering or related field or greater
• Demonstrated proficiency with C++ or Python
• Demonstrated proficiency with Git and modern day Agile software development practices & tools
• Demonstrated proficiency in a Linux environment
• Demonstrated proficiency with bash scripting
• Experience with Docker, Docker Compose, & containerization
• Experience with Full Stack development
• Familiar with writing test documentation, such as test plans, procedures, and reports.
• Capable of managing multiple tasks while delivering according to program milestones and deliverables
• Can proactively identify problems and communicate them clearly to leadership and/or more senior engineers
• Proficient at writing and reading technical documentation
• Understanding and experience with API usage

• Experience in end to end system level automated testing
• Experience with Software in the loop test systems
• Experience with Hardware in the loop test systems
• Experience in modeling, analysis and validation of satellite subsystems
• Experience in developing Flight Dynamics and Mission Analysis models
• Experience with embedded systems, networking, and pub/sub message middlewares
• Experience with build system tools such as CM ake, SWIG, and package management
• Experience with UI/UX testing and full‑stack web development, including backend development support for APIs and databases
• Experience with databases (SQL, Influx, Mongo)
• Experience with modeling and simulation tools such as NASA Trick, GMAT, and MATLAB /Simulink/Coder
• Experience testing hardware systems, preferably for space flight
• Proficient with GitLab & CI/CD pipelines and using them for development
• Self starter with the ability to pick up new concepts quickly

York Space Systems provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, military or protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Must have permanent authorization to work in US. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.