How many Series A startup jobs are on BuildList?

There are currently 2,600 open roles at Series A companies on BuildList, refreshed hourly from company career pages.

What is it like to work at a Series A startup?

Explore open roles at Series A companies. Filter by sector or role type to focus your search.

Which industries are hiring at Series A companies?

Roles at Series A companies span AI, defense, aerospace, robotics, energy, and more.

How do I apply to Series A 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.

Jobs/Series A

Series A Jobs

Explore open roles at Series A companies.

2,600 open roles · Updated Nov 1, 2026

All Jobs

2,600 jobs

Nox Metals Recruiter

Ferndale, MI

$60k–$75k / year

Job type: Business & People Ops
Seniority: Mid-Level
Sector: Manufacturing

Apply

Tutor Intelligence Applied AI Engineer, Go-to-Market

Watertown, MA

$130k–$250k / year

Job type: Software & Data
Seniority: Mid-Level
Sector: Robotics

Apply

Proxima Fusion Strategy and Business Development Manager

Germany

Job type: Business Dev & Customer Ops
Seniority: Mid-Level
Sector: Energy & Climate

Apply

Critical Loop Senior Power Electronics Engineer

Long Beach, CA

$150k–$200k / year

Job type: Electrical & Firmware
Seniority: Senior
Sector: Energy & Climate

Apply

Mariana Minerals Workplace Manager

Houston, TX

Job type: Business & People Ops
Seniority: Mid-Level
Sector: Energy & Climate

Apply

Ulysses Test Engineer

San Francisco, CA

Job type: Test, Quality, & Reliability
Seniority: Mid-Level
Sector: Robotics

Apply

Swarm Aero Facility Security Officer

Oxnard, CA

$170k–$225k / year

Job type: Business & People Ops
Seniority: Manager
Sector: Defense

Apply

Rox Demand Generation and Growth Marketing Lead

San Francisco, CA

Job type: Marketing & Design
Seniority: Senior
Sector: AI App

Apply

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Brain Co.Account Executive, Financial Services

San Francisco, CA

Job type: Business Dev & Customer Ops
Seniority: Senior
Sector: AI App

Apply

Field AI Technical Program Manager, Robotics & Autonomy

Irvine, CA

$120k–$155k / year

Job type: Product, Programs, & Systems
Seniority: Mid-Level
Sector: Robotics

Apply

Andrenam Perception Engineer Intern (Summer 2027)

Torrance, CA

$62k–$83k / year

Job type: AI & Autonomy
Seniority: Intern
Sector: Defense

Apply

AnySignal Senior RF Systems Engineer - Ground Systems

Los Angeles, CA

$150k–$180k / year

Job type: Electrical & Firmware
Seniority: Senior
Sector: Aerospace

Apply

Scout AI Mechanical Engineer Intern (Summer 2027)

Sunnyvale, CA

$94k–$135k / year

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Defense

Apply

TerraFirma Workplace Coordinator

Austin, TX

Job type: Business & People Ops
Seniority: Entry-Level
Sector: Construction & Housing

Apply

Aurelius Systems Senior Manager, Defense Programs

Remote · San Francisco, CA

$160k–$210k / year

Job type: Product, Programs, & Systems
Seniority: Manager
Sector: Defense

Apply

NODA AI Senior Full Stack Engineer

Austin, TX

Job type: Software & Data
Seniority: Senior
Sector: Defense

Apply

Xcimer Energy Program Planning and Controls Specialist

Denver, CO

$100k–$120k / year

Job type: Product, Programs, & Systems
Seniority: Mid-Level
Sector: Energy & Climate

Apply

Layup Parts Electrical Engineer

Huntington Beach, CA

$90k–$110k / year

Job type: Electrical & Firmware
Seniority: Entry-Level
Sector: Manufacturing

Apply

Column Growth (Russian speaking)

San Francisco, CA

$140k–$250k / year

Job type: Business Dev & Customer Ops
Seniority: Senior
Sector: Fintech

Apply

Inversion Hardware Test and Automation Engineer I

Playa Vista, CA

$77k–$116k / year

Job type: Test, Quality, & Reliability
Seniority: Entry-Level
Sector: Aerospace

Apply

General Matter Inventory & Warehouse Analyst

Paducah, KY

Job type: Supply Chain & Procurement
Seniority: Senior
Sector: Energy & Climate

Apply

Endurance Energy Director of Legal Affairs

Seattle, WA

$290k–$325k / year

Job type: Finance, Legal, & Compliance
Seniority: Director
Sector: Energy & Climate

Apply

AIM Intelligent Machines Senior Software Engineer - UI

Seattle, WA

Job type: Software & Data
Seniority: Senior
Sector: Construction & Housing

Apply

Beacon AI Senior Software Engineer, Frontend/Web App

Remote · San Carlos, CA

$173k–$225k / year

Job type: Software & Data
Seniority: Senior
Sector: Aerospace

Apply

Valinor Enterprises Embedded Software Engineer

Washington, D.C.

Job type: Electrical & Firmware
Seniority: Senior
Sector: Defense

Apply

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Frequently asked questions

How many Series A startup jobs are on BuildList?: There are currently 2,600 open roles at Series A companies on BuildList, refreshed hourly from company career pages.
What is it like to work at a Series A startup?: Explore open roles at Series A companies. Filter by sector or role type to focus your search.
Which industries are hiring at Series A companies?: Roles at Series A companies span AI, defense, aerospace, robotics, energy, and more.
How do I apply to Series A 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.