Electrical Engineer III - 2D Harness Design

Company: Sierra Space
Location: Louisville
Posted on: April 2, 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 The Electrical Engineer III role involves leading the design, development, modification, and evaluation of complex electrical components and systems. This position is suited for professionals with a strong background in electrical engineering and significant hands-on experience. Responsibilities include working on advanced projects, collaborating with a diverse team of engineers and technicians, and contributing to the development of innovative solutions. The role also involves mentoring junior engineers and technicians, acting as the Responsible Engineer (RE) for discrete technical packages, and staying updated with the latest advancements in electrical engineering. In this role, you will lead the design and development of complex electrical components and systems, while modifying and evaluating existing electrical systems and components to improve performance and efficiency. You will collaborate with cross-functional teams to ensure electrical designs meet project requirements and standards, and conduct tests and simulations to validate the performance of electrical systems and components. Documenting design processes, test results, and modifications for future reference will be a key responsibility, as will providing technical support and troubleshooting assistance for electrical systems and components. Staying updated with the latest advancements in electrical engineering, you will apply new knowledge to ongoing projects to drive innovation and effectiveness. You will participate in team meetings and contribute to project planning and progress discussions, while mentoring and providing guidance to junior engineers and technicians. Additionally, you will have the ability to learn and receive instruction and mentorship from more experienced engineers. As the Responsible Engineer (RE) for discrete technical packages, you will ensure successful project execution and maintain technical excellence throughout the process. 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. Primary Responsibilities: Harness Design (2D) for harnessing on satellite programs to meet requirements Propose innovative solutions to design challenges. Attend and actively participate in cross-functional meetings. Communicate and collaborate with the team to ensure the integrity of harness designs meets specifications and requirements. Minimum Qualifications: Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters 3 yrs experience). Typically 5 years of related experience. Certifications: Encouraged to begin seeking industry affiliations. Advanced knowledge of electrical fundamentals, applicable tools, methodologies, and principles. Familiarity with Electrical and Avionic systems and their functionality. Ability to troubleshoot and solve more complex problems. Ability to learn, receive instruction, and mentorship from more experienced engineers. Owner of discrete technical packages as a Responsible Engineer (RE). Ability to work with minimal supervision on projects involving both small and large engineering teams. Intermediate knowledge of requirements management, functional requirements parsing, derivation, and allocation. Intermediate knowledge of systems integration, technical risk identification and management strategies, and Verification and Validation (V&V) principles. Experience performing trade studies to support subsystem architecture decisions. Preferred Qualifications Previous work experience on Satellites, Spaceplanes Experience selecting parts for harnessing to meet requirements Experienced with NX2312 (Xcelerator) Routing tools, or TeamCenter & Mentor Graphics (Capital) Experience taking preliminary designs to Flight Release status Experience with configuration management Exposure to simulations through functional and logical models and system analysis Background in the Aerospace and Defense Industry Experience composing and analyzing Electrical Load Analysis (ELA), circuit modeling, simula on, and analysis Familiarity with design requirements related to High Intensity Radiated Field (HIRF) and Indirect Effects of Lightning (IEL) Familiar with Electro Magnetic Effects (EME) to include, Electro Magnetic Compatibility (EMC) and Electro Magnetic Interference (EMI) 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. 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. 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, Loveland , Electrical Engineer III - 2D Harness Design, Engineering , Louisville, Colorado