> Markdown version of [/jobs/ext/2716745-systems-engineer-iii-mission-systems](https://www.wearedevelopers.com/jobs/ext/2716745-systems-engineer-iii-mission-systems). 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). --- # Systems Engineer III - Mission Systems - **Company:** Sierra Space - **Location:** Louisville, KY, United States - **Salary:** $119,064.0 - $163,713.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Software Applications, Systems Engineering, Confluence, JIRA, Linux, Python (Programming Language), MATLAB, Network Administration, Rhapsody, Requirements Management, Software Configuration Management, Verification and Validation (Software), Systems Integration, Firewalls (Computer Science), Information Technology, Data Management, Cisco Switches, Docker, Vmware - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/systems-engineer-iii-mission-systems-sierra-space-8554820 ## About the Role * Bachelor of Science degree in System Engineering or related discipline and typically 5 or more years of relevant experience. Relevant experience may count towards degree requirement * Relevant advanced degree may count towards required years of experience * Experience with VMware, Docker, python, RF, Cisco switches, and Palo Alto Firewalls * Experience with command and telemetry software (InControl & Amergint | ARKA) * Proficient with Linux and Windows operating systems * Experience in IT system & network administration, data management, software configuration, and real-time mission support * Practical knowledge of engineering principles and practices * Experience working in multi-disciplinary design and development teams * Knowledge of requirements management, functional requirements parsing, derivation, and allocation; systems design, systems integration, technical risk identification and management strategies, and Verification and Validation (V&V) principles * This position is based on site at our Louisville location * Must pass NASA background check and maintain NASA clearance Preferred Qualifications: * Experience in real-time operations, spacecraft ground systems, and control center operations * Experience managing IT applications, systems, and networking * Experience with requirements management and system modelling tools, such as DOORS, Rhapsody, NoMagic, MATLAB * Practical knowledge of industry standard mechanical design principles, to include, but not limited to requirements management, Model Based System Engineering (MBSE) * Knowledge of ground to space communication systems and control center development * Proficiency in Jira and Confluence * Experience or certification in INCOSE standards * Background in the Aerospace and Defense Industry * Ability to administer baseline definition and maturation in a complex development setting, including the use of high impact trade studies and other measures * Exposure to establishing and tracking key Technical Performance Measurements (TPM) #LI-CB1 #LI-ONSITE ## Description Sierra Space is looking for a Systems Engineer III - Mission Systems supporting spacecraft IT systems and ground segment, to join our Mission Systems team. The role is centered around working on requirements, verification and certification of mission control centers, IT systems, infrastructure, and networking. The candidate will also train to become a certified flight controller (GC - Ground Control) and will play an active role during the upcoming first flight of the Dream Chaser spacecraft., * Design, integrate, test, and maintain Mission IT systems, infrastructure, and networks * Develop and certify Mission Systems, including requirement verification and validation * Create test plans, conduct testing, and provide user training and support * Develop documentation for design, operations, and training * Refine operational concepts and processes * Support real-time missions and pre mission simulations * Flight Operations end user support * Perform general systems engineering and integration tasks * Work closely with NASA during all mission preparation and planning * The ability to obtain and maintain a Secret, or higher, U.S. Security Clearance may be required ## Related Videos - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [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) - [Robots are coming into the wild! 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