Material Science Engineer III (Contractor)

Sierra Space

📍 Middleton, Wisconsin, United States

Full time Physical Scientists Posted February 24, 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

As a Material Science Engineer III at Sierra Space, you will utilize your extensive experience and expertise to lead complex engineering projects. Your deep understanding and application of technical principles, standards, theo...