Sierra Space

Sierra Space is an American commercial aerospace company based in Louisville, Colorado. Founded in 2020, it specializes in advanced space infrastructure and technologies, building on over 30 years of spaceflight experience. The company has developed more than 4,000 space systems and participated in over 500 missions, including 14 to Mars. Key offerings include the Dream Chaser® Spaceplane, designed for cargo and crew transport to low Earth orbit, and the Shooting Star cargo module. Sierra Space also provides the LIFE® Habitat for long-duration human spaceflight and operates under a Space as a Service (SPaaS) model, allowing customers to access space capabilities without owning hardware. The company develops advanced satellite systems for defense and collaborates on microgravity manufacturing initiatives. Sierra Space partners with organizations like NASA, the U.S. Department of Defense, and Blue Origin, aiming to expand human presence in space and support a sustainable space economy.

Aviation & Aerospace Louisville, United States Founded 2021 ~1,309 employees

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Employees
1,309
+0.8% in the 3 months to Sep 2026
Revenue / employee
$572K
Revenue ~$749M
12-month attrition
20.6%
Tech: 22.5%
H1B sponsor
NA
Open jobs
97
Last 30 days

Headcount trend

Sierra Space went from 1,547 employees in Oct 2024 to 1,309 in Sep 2026. Apr to Sep 2026: 116 people joined, 79 left.

Org structure

Headcount by department

Engineering696
Other257
Operations200
Finance68
HR26
Design22
Sales18
Success10

Salaries at Sierra Space

All salaries

6 salary profiles in the US

Pay by level, gender and ethnicity

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Sierra Space FAQ

How many employees does Sierra Space have?

Sierra Space has about 1,309 employees, up 0.8% over the 3 months to Sep 2026.

What is Sierra Space's revenue per employee?

Sierra Space makes about $572K in revenue per employee, based on $748.6M annual revenue and 1,309 employees.

How much does Sierra Space pay?

6figr has 6 salary profiles for Sierra Space in the US, with pay broken down by role, level, gender and ethnicity on the Sierra Space salaries page. See Sierra Space salaries

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.