Antares
Antares is a nuclear microreactor startup developing compact power systems for remote military bases, industrial sites, and future space missions. It has raised $596M in funding and employs 131 people, with heavy recruitment from SpaceX and defense contractors.
The growth story
Antares grew from 1 to 131 employees between 2022 and 2026, raising $596M along the way, most recently a Series C in July 2026.
About
Antares builds portable nuclear reactors designed for environments where traditional power grids are impractical, targeting defense and industrial customers. Its systems aim to provide reliable energy in austere locations like forward military bases or future extraterrestrial missions.
The company has secured $596M in funding through a Series C round in mid-2026, indicating strong investor interest in next-generation nuclear solutions. With 75% of analyzed staff coming from aerospace and defense backgrounds, Antares is aggressively hiring engineers to accelerate development.
Founders and leadership
Engineering dominates Antares' workforce, making up 39 of 131 employees. The leadership team appears to combine nuclear expertise with space industry experience, given the strong talent pipeline from SpaceX and national labs.
The Antares org chart
Jordan Bramble (Chief Executive Officer // Co-Founder) leads 27 mapped leaders with 6 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 46 (+207% YoY), Operations 30 (+100% YoY), Business Development 8 (+14% YoY), Quality Assurance 5 (+150% YoY), Administrative 4 (+100% YoY), Entrepreneurship 4 (+33% YoY).
Talent flow
Nearly a quarter of Antares' workforce previously worked at SpaceX, with additional hires from Relativity Space and national nuclear labs. The company draws heavily from Texas A&M and USC for engineering talent, though employee tenure averages just one year.
Most common previous employers of Antares staff: SpaceX (18), Relativity Space (8), Idaho National Laboratory (6), USNC-Tech (5), Northrop Grumman (4), Ursa Major (4). Former Antares employees most often moved to Rearden Innovations (1), Customers Bank (1), Singularity Defense (1), Cashjuice (1), Meridionale Impianti S.p.A. (1).
Hiring now
Web traffic
Traffic mix: 25% direct, 46% search, 10% social, 0% paid.
What this company is made of
Most common skills at Antares: MATLAB (42), Microsoft Office (36), Leadership (34), SOLIDWORKS (29), Python (Programming Language) (29), Project Management (25), Microsoft Excel (25), Engineering (24).
Where the team actually sits
Antares people are concentrated in California, United States (30), Los Angeles Metropolitan Area (22), District of Columbia, United States (3), United States (3). 2 offices on record.
Search footprint
Antares attracts about 2,668 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 21 ranking keywords and lost 15 in the last period.
Frequently asked
Antares has 131 employees as of September 2026.
Antares has raised $596M in total, most recently a Series C round in July 2026.
Antares was founded in 2023 by Julia DeWahl.
Jordan Bramble (Chief Executive Officer // Co-Founder) sits at the top of Antares's reporting structure, with 6 direct reports.
The most common previous employers of current Antares staff are SpaceX (18 people), Relativity Space (8 people), Idaho National Laboratory (6 people).
Former Antares employees most often move to Rearden Innovations (1), Customers Bank (1), Singularity Defense (1).
Antares attracts about 2,668 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among Antares staff are MATLAB, Microsoft Office, Leadership, SOLIDWORKS, Python (Programming Language).
Antares staff are concentrated in California, United States (30), Los Angeles Metropolitan Area (22), District of Columbia, United States (3).
Antares has about 46 people in Engineering, up 207% over the past year, as of September 2026.
Antares has about 30 people in Operations, up 100% over the past year, as of September 2026.
Computed from 75 current and 9 former Antares profiles, as of September 2026. Source: Crustdata.
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