Principal Electrical Test Engineer - Spacecraft (Clearance Required)

Sierra Space
life insurance, paid time off, 401(k)
United States, Colorado, Centennial
Oct 22, 2025
Sierra Space Careers: Dare to Dream We honor those that are not afraid to dream big dreams, those that tenaciously chase their dreams even when others say it cannot be done, those that achieve big dreams and change everything. Those are Dreams Worth Chasing. At Sierra Space we envision a future where humanity lives and works in space, on moons, and on distant planets. Our mission isn't restricted to the few, instead we see a future where all people can choose to live, work, discover and explore beyond our planet. Our company is building a platform in space to benefit life on Earth and together we will alter the course of humanity. We have a bold mission. We are a bold company. Together, we are an extraordinary team. About the RoleThe Principal Electrical Test 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 the unwavering passion to push the boundaries of what is possible. We seek those who Dare to Dream - to envision the extraordinary and pursue it relentlessly - to join us on this transformational journey. We're looking for dreamers who align with our values, vision and audacious goals - while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement. Minimum Qualifications Bachelor's degree in Electrical Engineering, Aerospace Engineering, or a related technical field. Typically 12+ yrs of related experience (10 years of experience in electrical test engineering for spacecraft or aerospace systems preferred). Active Secret Clearance (minimum). Demonstrated experience with spacecraft programs across Class A (e.g., high-reliability, long-duration missions) and Class C (e.g., lower-cost, shorter-duration missions). Proven expertise in medium to high-rate production environments, with a focus on efficient and scalable testing processes. Strong knowledge of electrical test equipment, including oscilloscopes, spectrum analyzers, power supplies, and data acquisition systems. Proficiency in test automation tools and scripting languages, including COSMOS, Python, and LabVIEW. Deep understanding of spacecraft command and control architecture and appropriate test methods. Experience tailoring SMC-S-016 standards to meet program-specific requirements. Excellent analytical skills and ability to interpret complex test data. Strong communication skills, with the ability to present findings and recommendations to technical and non-technical audiences. Preferred Qualifications Master's degree in Electrical Engineering, Aerospace Engineering, or a related field. Experience with spacecraft power systems, avionics, RF systems, or telemetry. Minimum of 10 years of experience in electrical test engineering for spacecraft or aerospace systems. Familiarity with industry standards such as MIL-STD, NASA-STD, and ECSS. Knowledge of environmental testing (thermal, vibration, EMI/EMC) for spacecraft systems. Compensation: Pay Range: $160,160.00 - $220,220.00 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. Physical/Mental/Emotional Requirements: Frequently walk, sit, stand, climb stairs and steps Frequently repeat same hand, arm, and finger motion many times to include finger and hand dexterity Rarely lifting or carrying up to 25 lbs. Working Conditions: Rarely exposed to outdoor elements (high/low temperatures, sun, rain/snow, etc.) Rarely exposed to fumes or hazardous chemicals/materials Rarely exposed to loud noises IMPORTANT NOTICE: This position requires current/active Top Secret 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. Sierra Space offers annual incentive pay based upon performance that is commensurate with the level of the position. We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 8%, life insurance, 3 weeks paid time off, and more. At Sierra Space we are at the very doorstep of unlocking the future and the work in front of us is hard, but it is truly important and meaningful. Achieving our mission requires dedication, relentless pursuit of a dream and an unwavering passion for pushing the boundaries to accomplish what others might believe to be impossible. We seek those who too, Dare to Dream and will join us in a pursuit to achieve the extraordinary. 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 Corporationis 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 withSierra Spaceor at any stage of the recruitment process, pleasecontact us.