How many Series A startup jobs are on BuildList?

There are currently 2,393 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.

Series A Startup Jobs — 2393 Open Roles — Page 28

Exowatt Mechanical Engineer – Optical Systems (Miami, FL)

Miami, FL

Job type: Mechanical & Physical Systems
Seniority: Entry-Level
Sector: Energy & Climate

Apply

Rainmaker Electrical Engineer

El Segundo, CA

$106k–$148k / year

Job type: Electrical & Firmware
Seniority: Mid-Level
Sector: Energy & Climate

Apply

Lydian Senior R&D Data Engineer, Hardware Systems

Boston, MA

$130k–$180k / year

Job type: Software & Data
Seniority: Entry-Level
Sector: Energy & Climate

Apply

Mariana Minerals Senior Environmental Engineer

San Francisco, CA · Houston, TX · Moab, UT

$100k–$150k / year

Job type: Software & Data
Seniority: Mid-Level
Sector: Energy & Climate

Apply

AT Process Technologies Explosive Ordnance Disposal (EOD) Technician

Berwick, ME

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

Apply

Method Security Backend Engineer

New York, NY · Washington, D.C.

$140k–$190k / year

Job type: Software & Data
Seniority: Mid-Level
Sector: AI App

Apply

Intramotev Associate Electrical Engineer

St. Louis, MO

$65k–$85k / year

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

Apply

Xaira Therapeutics Senior Scientist, Biology

South San Francisco, CA

Job type: Software & Data
Seniority: Senior
Sector: Bio & Health

Apply

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TerraFirma Trainer, Heavy Equipment

Austin, TX

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

Apply

Chariot Defense Engineering Technician

San Bruno, CA

Job type: Software & Data
Seniority: Entry-Level
Sector: Defense

Apply

Atomic Industries General Engineering Applicant

Remote

Job type: Infrastructure, IT, & Security
Seniority: Entry-Level
Sector: Manufacturing

Apply

Gravitics Senior Power Systems Engineer

Marysville, WA

$130k–$170k / year

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

Apply

Dawn Aerospace Senior Production Engineer

New Zealand

Job type: Manufacturing & Production
Seniority: Senior
Sector: Aerospace

Apply

Andrenam Director, Commercial Programs

Remote

Job type: Finance, Legal, & Compliance
Seniority: Director
Sector: Defense

Apply

Arbor Energy Sr. Thermodynamics Performance Engineer

El Segundo, CA

$165k–$180k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Energy & Climate

Apply

Orb Aerospace Head of Finance – Civilian and Defense Operations

Lowell, MI

$80k–$135k / year

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

Apply

SF Compute People Operations Manager

San Francisco, CA

$130k–$150k / year

Job type: Software & Data
Seniority: Mid-Level
Sector: Compute & Semiconductors

Apply

Texture Energy Data Engineer

Remote · New York, NY

Job type: Software & Data
Seniority: Senior
Sector: Energy & Climate

Apply

AIM Intelligent Machines Senior SLAM Engineer

Seattle, WA

$165k–$215k / year

Job type: Software & Data
Seniority: Mid-Level
Sector: Construction & Housing

Apply

Endurance Energy Controller

Seattle, WA · Washington, D.C.

$200k–$265k / year

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

Apply

Tutor Intelligence VR Robot Operator and Support Technician

Watertown, MA

$42k–$62k / year

Job type: Finance, Legal, & Compliance
Seniority: Mid-Level
Sector: Robotics

Apply

Vatn Systems IT Support Specialist

Bristol, RI

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: Defense

Apply

Swan Technologies Machine Learning Software Engineer

San Francisco, CA

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

Apply

AstroForge Thermal Engineer

Seal Beach, CA

$125k–$211k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Apply

HeyGen Online Community Manager

Remote · San Francisco, CA · Palo Alto, CA · Los Angeles, CA

$48k–$68k / year

Job type: Marketing & Design
Seniority: Mid-Level
Sector: AI App

Apply

Series A Jobs

Weekly jobs, picked for you.

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