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Series C+ Startup Jobs — 24661 Open Roles | BuildList

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Jobs/Series C+

Series C+ Jobs

Late-stage, high-growth companies hiring — scale impact at companies building the future.

24,661 open roles · Updated 8/31/2026

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Bio & Health👥 Business & People Ops · Mid-Level

Technical Recruiter

Austin, TX · South San Francisco, CA

Bio & Health✅ Test, Quality, & Reliability · Mid-Level

Quality Engineer, Software Design Controls

Austin, TX

Boom Supersonic

Aerospace⚙️ Mechanical & Physical Systems · Entry-Level

Mechanical Engineer (Early Career, Exceptional Talent)

Centennial, CO

Boom Supersonic

Aerospace⚡ Electrical & Firmware · Entry-Level

Electrical or Embedded Controls Engineer (Early Career, Exceptional Talent)

Centennial, CO

Bio & Health⚙️ Mechanical & Physical Systems · Intern

Biomedical Engineer Intern

South San Francisco, CA

Boom Supersonic

Aerospace👥 Business & People Ops · Entry-Level

Special Projects Analyst (Early Career, Exceptional Talent)

Centennial, CO

Boom Supersonic

Aerospace⚙️ Mechanical & Physical Systems · Entry-Level

Materials & Manufacturing Process Engineer (Early Career, Exceptional Talent)

Centennial, CO

Boom Supersonic

Aerospace💻 Software & Data · Entry-Level

Software Engineer (Early Career, Exceptional Talent)

Centennial, CO

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Series C+

Boom Supersonic

Aerospace⚙️ Mechanical & Physical Systems · Entry-Level

Turbomachinery Engineer (Early Career, Exceptional Talent)

Centennial, CO

Boom Supersonic

Aerospace⚡ Electrical & Firmware · Mid-Level

Power Systems Engineer

Centennial, CO

Boom Supersonic

Aerospace⚡ Electrical & Firmware · Mid-Level

Electrical Systems Engineer (Power Generation)

Centennial, CO

Boom Supersonic

Aerospace⚡ Electrical & Firmware · Staff / Principal

Electrical Power Architect

Centennial, CO

Boom Supersonic

Aerospace✅ Test, Quality, & Reliability · Entry-Level

M&P Lab Technician

Centennial, CO

Boom Supersonic

Aerospace⚙️ Mechanical & Physical Systems · Mid-Level

Materials Engineer (Lab & Test)

Centennial, CO

Boom Supersonic

Aerospace🏭 Manufacturing & Production · Manager

Machine Shop Supervisor

Centennial, CO

Boom Supersonic

Aerospace🏭 Manufacturing & Production · Mid-Level

Production Coordinator

Centennial, CO

Bio & Health👥 Business & People Ops · Senior

Senior Manager, Lab Operations

South San Francisco, CA

Boom Supersonic

Aerospace🏭 Manufacturing & Production · Senior

Senior Machinist

Centennial, CO

Boom Supersonic

Aerospace🏭 Manufacturing & Production · Senior

Senior CNC Programmer

Centennial, CO

Bio & Health⚙️ Mechanical & Physical Systems · Mid-Level

Scientist, Delivery Sciences Lipid Chemistry

South San Francisco, CA

Bio & Health⚡ Electrical & Firmware · Mid-Level

Design Verification Engineer

South San Francisco, CA

Boom Supersonic

Aerospace✅ Test, Quality, & Reliability · Mid-Level

Hardware Quality Engineer

Centennial, CO

Boom Supersonic

Aerospace🏭 Manufacturing & Production · Director

Head of Manufacturing Infrastructure

Centennial, CO

Boom Supersonic

Aerospace📑 Finance, Legal, & Compliance · Senior

Senior Financial Accountant

Centennial, CO

Bio & Health🏭 Manufacturing & Production · Mid-Level

South San Francisco, CA

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Frequently asked questions

How many Series C+ startup jobs are on BuildList?: There are currently 24,661 open roles at Series C+ companies on BuildList, refreshed hourly from company career pages.
What is it like to work at a Series C+ startup?: Late-stage, high-growth companies hiring — scale impact at companies building the future. Filter by sector or role type to focus your search.
Which industries are hiring at Series C+ companies?: Roles at Series C+ companies span AI, defense, aerospace, robotics, energy, and more.
How do I apply to Series C+ startup jobs?: Every listing links straight to the company's own application page — BuildList doesn't sit between you and the employer, so there's no account or middleman.