Mechanical Engineer ; Environmental​/Propulsion

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.

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.

The entry‑level Mechanical Engineer I role supports an engineering team developing environmental and propulsion spaceflight systems. The role requires a strong understanding of engineering concepts, clear communication skills, the ability to follow instructions effectively and self‑manage tasks, and collaboration with a team to achieve project goals. In this role, you will assist in the analysis, design, and evaluation of mechanical, fluid, and pressure control hardware and systems.

You will collect and analyze data to support engineering objectives based on performance requirements and industry standards. Additionally, you will contribute to the resolution of routine technical problems. Preparing technical documentation to communicate findings and support project objectives will be a key part of your responsibilities. You will work effectively within cross‑functional teams to achieve project goals and meet deadlines, while clearly communicating technical concepts and information both verbally and in writing to ensure alignment and collaboration.

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.

• Requires a 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 and application of Mechanical Engineering technical principles, standards, theories, and concepts.
• Familiarity with 3D CAD modeling and 2D drawing concepts.
• Working knowledge of Microsoft Excel and PowerPoint.
• Strong problem‑solving skills and attention to detail.
• Ability to work in a team and follow guidance from senior engineers.
• Clear verbal and written communication of technical concepts and information.
• Eagerness to learn and develop new skills in a collaborative and dynamic work environment.

• Internship or co‑op experience in a mechanical engineering or related environment.
• Hands‑on mechanical experience such as an engineering competition team, senior design project, robotics or 3D printing
• Familiarity with Siemens Teamcenter and NX applications and GD&T.
• Familiarity with design, analysis, and test methods related to mechanical, fluid and/or pressure systems.
• Familiarity with manufacturing processes, material sciences, and their impact on mechanical systems.

Compensation:
Pay Range: $70,213.00 - $96,542.50 Your actual base compensation will be determined on a case‑by‑case basis and may vary based on job‑related…