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 RoleThe Propulsion Engineer I role involves assisting in the design, development, and evaluation of propulsion systems, subsystems, and components for space vehicles, including launch vehicles, spacecraft, and related technologies. This entry-level position provides an opportunity to gain valuable experience under the guidance of experienced professionals. The role includes working on exciting projects, collaborating with a diverse team of engineers and technicians, and contributing to the development of innovative solutions that drive the company's success. It offers a unique blend of hands-on experience and professional growth, making it an excellent starting point for a career in propulsion engineering.In this role, you will assist in the design and development of propulsion systems, subsystems, and components for space vehicles, including launch vehicles, spacecraft, and related technologies. You will help develop solutions to routine technical problems of limited scope and complexity while collaborating with cross-functional teams to ensure propulsion designs meet project requirements and standards. Conducting tests and simulations to validate the performance of propulsion systems and components will be a key part of your responsibilities, along with documenting design processes, test results, and modifications for future reference. You will provide technical support and troubleshooting assistance for propulsion systems and components and stay updated with the latest advancements in propulsion engineering, applying new knowledge to ongoing projects. Additionally, you will participate in team meetings, contributing to project planning and progress discussions, and follow instructions from senior engineers while working effectively in a team environment. Clear communication of technical concepts and information, both verbally and in writing, will be essential to ensure collaboration and project success.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).
- Typically entry-level 0 - 2 years of experience.
- Basic understanding of Propulsion Engineering.
- Basic application and use of technical principles, standards, theories, and concepts.
- Ability to help develop solutions to routine technical problems of limited scope and complexity.
- Ability to work in a team and follow instructions from senior engineers.
- Clear verbal and written communication of technical concepts and information.
Preferred Qualifications:
- Internship or co-op experience in propulsion engineering or a related field.
- Familiarity with industry standards and regulations.
- Basic proficiency in using engineering design software and tools such as CAD, FEA, or CFD.
- Basic understanding of propulsion system components and their functions.
- Strong analytical and problem-solving skills.
- Excellent communication and teamwork abilities.
Compensation:
Pay Range:
$70,213.00 - $96,542.50Your 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 CareerAt 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.
Skills Required
- Bachelor's degree in a related field (or equivalent work experience)
- 0 - 2 years of experience (entry-level)
- Basic understanding of Propulsion Engineering
- Basic application and use of technical principles, standards, theories, and concepts
- Ability to help develop solutions to routine technical problems of limited scope and complexity
- Ability to work in a team and follow instructions from senior engineers
- Clear verbal and written communication of technical concepts and information
- Internship or co-op experience in propulsion engineering or a related field
- Familiarity with industry standards and regulations
- Basic proficiency in engineering design software and tools such as CAD, FEA, or CFD
- Basic understanding of propulsion system components and their functions
- Strong analytical and problem-solving skills
- Excellent communication and teamwork abilities
Sierra Space Compensation & Benefits Highlights
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Retirement Support — A 150% 401(k) match—often cited up to 6% of pay and sometimes up to 8%—is repeatedly described across current postings and benefits materials. HSA eligibility with company contributions for HDHP participants further strengthens long‑term savings support.
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Healthcare Strength — Medical, dental, and vision coverage are consistently included as part of a generous package, alongside life and disability insurance and HSA/FSA options. Wellness resources such as mental health support, an EAP, and onsite gym access in some locations broaden the health offering.
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Career-Linked Recognition & Rewards — Annual incentive pay and performance bonuses appear in total‑rewards descriptions, with relocation assistance available for certain roles. Tuition assistance and professional development (mentorship, training, online courses) reinforce growth‑oriented rewards.
Sierra Space Insights
What We Do
Securing The Freedom of Operations Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic technologies, propulsion systems, and infrastructure for the nation’s most critical missions. With more than three decades of heritage and a record of flight-proven success in space, Sierra Space is trusted by U.S. National Security, Civil customers, and global allies. Our technologies safeguard our nation, sustain human exploration in space, and ensure the freedom of operations beyond Earth. Sierra Space is defining the new era of Space Defense, strengthening deterrence today and preserving freedom of action for generations to come.
Why Work With Us
At Sierra Space, you’ll find a supportive, respectful and upbeat culture where your opinions matter and your personal contributions have impact. If you’re thinking about your own next frontier, we’d love to help you explore it.
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