Systems Engineer III - Mission Systems

Company: Sierra Space
Location: Louisville
Posted on: April 1, 2026

Job Description:

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond. Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space. We are mission-driven, and together, we are an extraordinary team. About the Role 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. About You Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission. We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement. Key Responsibilities: 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 Minimum Qualifications: 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 Compensation : Pay Range: $119,064.00 - $163,713.00 Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education, experience, internal equity and market competitiveness. Elevate Your Career At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations. We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, and more. Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration. Application Deadline: This role will remain posted until a qualified pool of candidates is identified. Please note: Sierra Space does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Sierra Space team members not through our approved vendor list or Talent Acquisition will be considered property of Sierra Space, and we will not be obligated to pay any referral fees. Sierra Space Corporation is an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment with Sierra Space or at any stage of the recruitment process, please contact us .

Keywords: Sierra Space, Vail , Systems Engineer III - Mission Systems, Engineering , Louisville, Colorado