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Flight Software Systems Engineer

York Space Systems
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Greenwood Village, CO, USA
Sep 20, 2026
York Space Systems is seeking a Flight Software Systems Engineer to enable design, development, test, and delivery of mission-critical software for spacecraft systems. This role focuses on real-time and embedded Linux-based flight software, enabling reliable command, telemetry, networking, and autonomy across on-orbit vehicles.  The ideal candidate is a hands-on engineer with strong systems thinking who can operate across the full lifecycle-from architecture and development through integration, test, and on-orbit support.    Not all skills below are required, we encourage you to apply if you have an interest in learning!     Responsibilities  Derive requirements for embedded flight software in C/C++ for spacecraft systems Support development planning with FSW management and vehicle systems engineering activities in a cross functional team Integrate software with hardware components (on board computers, radios, payloads) in Hardware In The Loop (HITL) and simulated environments  Develop and execute test strategies (unit, integration, system, and mission-level testing) Support on-orbit operations, debugging, and anomaly resolution  Contribute to software architecture, requirements, and interface definitions  Collaborate across platform, applications, mission ops, and hardware teams    Required Qualifications Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science, or related field  2+ years of experience in embedded software development  Proficiency with Atlassian JIRA Prior experience with software development ticket management, requirement management frameworks Experience debugging hardware/software integration issues  Proficiency in C/C++, Git/Gitlab (or other code repository management tooling) Must have the ability to independently navigate source code, in order to correlate requirements, developed capabilities, and human interfaces for operations Must be clearance eligible and ability to maintain an active Secret Clearance or higher  Willingness to work full-time in our Greenwood Village, CO office; this position does not support remote or hybrid work. Love space!    Preferred Qualifications Familiarity with networking protocols (TCP/IP, UDP, routing concepts)  Experience with spacecraft, aerospace, or safety-critical systems  Experience with embedded Linux systems (drivers, networking, system-level debugging) Knowledge of real-time systems and deterministic software design  Familiarity with CCSDS, DTN, or space communication protocols  Understanding of cybersecurity principles (secure boot, signing, key management)  Experience supporting on-orbit operations or live systems Active Secret Clearance

Job ID

2952|loc3

Security Clearance

SECRET
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