Principal Electrical Engineer - EMI/EMC Lead

Company: Sierra Space
Location: Louisville
Posted on: April 3, 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 Principal Electrical Engineer role involves overseeing the design, development, modification, and evaluation of highly complex electrical components and systems . This senior technical position is suited for professionals with extensive experience and mastery in specialized areas such as power systems, control systems, EWIS, CD&H, or similar fields. Responsibilities include leading advanced projects, collaborating with a diverse team of engineers and technicians, and contributing to the development of innovative solutions. The role also involves mentoring less experienced engineers and technicians, acting as the technical lead for specialized projects, and staying updated with the latest advancements in electrical engineering. In this role, you will oversee the design and development of highly complex electrical components and systems, 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, conduct tests and simulations to validate the performance of electrical systems and components, and document design processes, test results, and modifications for future reference. Providing expert technical support and troubleshooting assistance for electrical systems and components will be a key responsibility, as will staying updated with the latest advancements in electrical engineering and applying new knowledge to ongoing projects. You will participate in team meetings and contribute to project planning and progress discussions, while mentoring and providing guidance to less experienced engineers and technicians. Acting as the technical lead for specialized projects, you will ensure successful project execution and take ownership of tasks, leading teams to achieve project goals efficiently and effectively. 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. Minimum Qualifications: Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters 10 yrs experience). Typically 12 years of related experience. Mastery in a particular area (e.g., power systems, control systems, EWIS, CD&H, etc). Expert knowledge of relevant industry standards. Expert knowledge of electrical and avionic systems architectures and their design. Expert in troubleshooting and solving complex problems. Ability to provide mentorship and guidance to less experienced engineers. Ability to take task-ownership and lead teams. Ability to work with minimal supervision on projects involving both small and large engineering teams. Knowledge of requirements management, functional requirements parsing, derivation, and allocation. 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: An active Top Secret with SCI eligibility U.S. Security Clearance is preferred Extensive experience serving as a Responsible Engineer (RE), driving hardware through its lifecycle, including development, qualification, integration & Test, Verification & Validation, and certification. Experience with Electrical Architecture. Proficiency in electrical design software such as Capital, AutoCAD Electrical, Altium Designer, or similar tools. Experience with simulation software like SPICE, MATLAB/Simulink, Hyperlynx or similar. Expertise in PCB design and layout. Advanced understanding of power electronics and control systems. Extensive experience with microcontrollers and embedded systems. Ability to perform advanced circuit analysis and troubleshooting using tools like oscilloscopes, multimeters, and logic analyzers. Proficiency in programming languages such as C/C++ or Python for embedded systems development. Familiarity with CCSDS specifications for spacecraft and ground data flow. Proven experience in project management and the ability to lead large and complex projects. Strong leadership, communication, and interpersonal skills. Compensation : Pay Range: $164,164.00 - $225,725.50 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. IMPORTANT NOTICE: This position requires the ability to obtain and maintain Top Secret with SCI eligibility U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use. 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, Cheyenne , Principal Electrical Engineer - EMI/EMC Lead, Engineering , Louisville, Wyoming