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Join a startup on the way up — not a bet, not a giant.

Tech roles at Series A–C companies backed by Sequoia, a16z, Benchmark & other top-tier VCs

  • Sequoia
  • a16z
  • Benchmark
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  • Founders Fund
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  • a16z
  • Benchmark
  • Accel
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  • Founders Fund
  • General Catalyst
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  • Lightspeed
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  • Insight Partners
  • IVP
  • NEA
  • Thrive Capital

Open roles

High-signal tech roles at Series A–C companies, refreshed as boards update.

20 results on this page
Jobs per page
PreviousPage 21Next
Pacific Fusion logo
Quality Lead
1/20Posted last week

Pacific Fusion · Los Lunas, Valencia County, New Mexico

$116,000 - $174,000
Onsite
20 results on this page
Jobs per page
PreviousPage 21Next
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Failure Mode and Effects Analysis (FMEA)
Manufacturing Execution Systems (MES)
Posted last weekSee job

Pacific Fusion seeks a Quality Lead to develop and implement the Quality Management System, inspection processes, and safety programs for its inertial fusion energy systems. The role works closely with Operations, Engineering, and Supply Chain to ensure high-quality, safe manufacturing.

Pacific Fusion logo
Senior Mechanical Engineer - Pulser Modules
2/20Posted last week

Pacific Fusion · Fremont, Alameda County, California

$138,100 - $263,800
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD
Creo
Finite Element Analysis (FEA)
SolidWorks
Posted last weekSee job

Pacific Fusion is seeking a Senior Mechanical Engineer to design, analyze, and validate mechanical systems for inertial fusion energy. The role involves leading design projects, mentoring engineers, and working across multidisciplinary teams. Requires 5+ years of experience, CAD, and FEA proficiency.

Pacific Fusion logo
Electro-Mechanical Build Technician
3/20Posted last week

Pacific Fusion · Los Lunas, Valencia County, New Mexico

$33.03 - $58.32
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD Software Proficiency
Machining
Posted last weekSee job

Pacific Fusion is hiring an Electro-Mechanical Build Technician to support assembly, testing, and validation of electrical and mechanical components for fusion energy systems. The role involves leading assembly, inventory control, prototyping, troubleshooting, and setting up manufacturing lines.

Pacific Fusion logo
Senior Mechanical Engineer - Pulsed Power
4/20Posted last week

Pacific Fusion · Fremont, Alameda County, California

$140,000 - $200,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
ANSYS
Control Systems
Data Analysis
MATLAB
+3 more
Posted last weekSee job

Pacific Fusion seeks a Senior Mechanical Engineer to design, build, and operate pulsed power systems for its inertial fusion platform. The role involves high-voltage systems, controls, diagnostics, and data analysis, requiring 5+ years of experience and expertise in CAD, simulation, and Python/MATLAB.

Pacific Fusion logo
Mechanical Engineer - Pulsed Power
5/20Posted last week

Pacific Fusion · Fremont, Alameda County, California

$115,000 - $150,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
ANSYS
Control Systems
Data Analysis
MATLAB
+3 more
Posted last weekSee job

Pacific Fusion seeks a Mechanical Engineer to design, build, and operate pulsed power systems for its inertial fusion platform, requiring expertise in high-voltage systems, controls, diagnostics, and data analysis.

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Pacific Fusion logo
Senior Structures Engineer
6/20Posted last week

Pacific Fusion · Fremont, Alameda County, California

$156,500 - $234,800
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD
Creo
Posted last weekSee job

Pacific Fusion is hiring a Senior Structures Engineer to lead structural design, analysis, integration, and validation of large structures for fusion energy systems. The role involves CAD, FEA, and mentoring junior engineers.

Pacific Fusion logo
Senior Target Fabrication Engineer - Assembly
7/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$175,900 - $263,800
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
GD&T
Posted last weekSee job

Pacific Fusion seeks a Senior Target Fabrication Engineer to lead precision assembly and project management for fusion targets, bridging design and production to ensure high-precision assemblies are delivered on schedule.

Pacific Fusion logo
Senior Mechanical Design Specialist
8/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$138,100 - $207,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD
Creo Parametric
Finite Element Analysis (FEA)
GD&T
+1 more
Posted last weekSee job

Pacific Fusion is hiring Senior Mechanical Design Specialists to develop advanced mechanical systems for fusion energy. This role involves CAD design, analysis, and technical leadership.

Pacific Fusion logo
Senior Mechanical Engineer
9/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$156,500 - $234,800
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD
Creo
Finite Element Analysis
Posted last weekSee job

Pacific Fusion is looking for a Senior Mechanical Engineer to lead design, development, and validation of mechanical components for fusion energy systems. The role requires 6+ years of experience, CAD and FEA/CFD skills, and leadership abilities.

Pacific Fusion logo
Senior Manufacturing Engineer
10/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$138,100 - $263,800
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD Software Proficiency
Creo
Finite Element Analysis (FEA)
New Product Introduction (NPI)
Posted last weekSee job

Pacific Fusion seeks a Senior Manufacturing Engineer to lead the build center for our nuclear fusion demonstration system, bridging design and production with strong NPI experience.

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Pacific Fusion logo
Controller
11/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$200,000 - $275,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Posted last weekSee job

Controller role at Pacific Fusion, responsible for all accounting and financial operations, including monthly close, financial reporting, and leading a team of six. The role supports the company's fusion energy mission and requires public accounting experience.

Pacific Fusion logo
Manufacturing Engineer
12/20Posted last week

Pacific Fusion · Los Lunas, Valencia County, New Mexico

$116,000 - $174,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD
DFM/DFA (Design for Manufacturability & Assembly)
ERP Systems
Internet of Things
+3 more
Posted last weekSee job

Pacific Fusion seeks a Manufacturing Engineer to optimize processes, implement automation, and improve efficiency in a fast-paced fusion energy startup.

Pacific Fusion logo
Senior Full Stack Developer
13/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$138,000 - $207,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Apache Kafka
APIs
CI/CD
Figma
+7 more
Posted last weekSee job

Pacific Fusion seeks a Senior Full Stack Developer to architect and develop data acquisition systems and web front ends for its fusion energy programs. The role involves building databases, APIs, and React front ends for the pulser factory and demonstration system.

Pacific Fusion logo
Senior Controls Infrastructure Engineer
14/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$138,100 - $207,100
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Capacity Planning
CMMC
Firewalls
Infrastructure as Code
+1 more
Posted last weekSee job

Pacific Fusion seeks a Senior Controls Infrastructure Engineer to design, deploy, and operate network, storage, and compute infrastructure for its 24/7 fusion facility. Lead security and segmentation in a regulated environment.

Pacific Fusion logo
Senior Project Engineer, Steel Structures
15/20Posted last week

Pacific Fusion · Albuquerque, Bernalillo County, New Mexico

$145,000 - $185,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Engineering Drawings
Posted last weekSee job

Pacific Fusion is seeking a Senior Project Engineer to lead procurement, installation, and commissioning of structural steel systems for fusion energy. This role involves managing fabrication, vendor engagement, and cross-functional coordination to deliver critical steel structures.

Daily job alert

Get new VC-backed tech jobs in your inbox every morning.

Narrow your alert

Free daily email. Confirm via link to activate. Unsubscribe anytime.

Pacific Fusion logo
Infrastructure Electrical Engineer
16/20Posted last week

Pacific Fusion · Albuquerque, Bernalillo County, New Mexico

$116,000 - $174,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Posted last weekSee job

Pacific Fusion is seeking an Infrastructure Electrical Engineer to oversee facility electrical systems for its fusion demonstration project. The role involves developing requirements, assisting design, interfacing with teams, and managing operations. Based in Albuquerque, NM with travel to San Leandro, CA.

Pacific Fusion logo
Senior Structures Engineer
17/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$175,900 - $265,800
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD Software Proficiency
Finite Element Analysis
GD&T
Mechanical Design
Posted last weekSee job

Pacific Fusion is seeking a Senior Structures Engineer to lead design, analysis, and validation of critical mechanical and structural systems for their inertial fusion energy facility. The role requires deep expertise in structural analysis, FEA, and construction engineering, with 10+ years of experience.

Pacific Fusion logo
Controls Hardware Engineer
18/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$138,100 - $207,100
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD
Posted last weekSee job

Pacific Fusion is seeking a Controls Hardware Engineer to design and implement control systems for its inertial fusion project. The role involves defining requirements, designing electrical schematics, integrating PLCs and VFDs, and ensuring compliance with safety standards.

Pacific Fusion logo
Mechanical Design Engineer
19/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$138,100 - $263,800
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD
Failure Mode and Effects Analysis (FMEA)
Posted last weekSee job

Pacific Fusion is seeking a Mechanical Design Engineer to design and develop mechanical components for advanced fusion energy systems, focusing on vacuum seals and integration. The role involves leading experimental design, FMEA, and mentoring junior engineers.

Pacific Fusion logo
Electro-Mechanical Technician
20/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$40 - $60
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Machining
Posted last weekSee job

Pacific Fusion is looking for an Electro-Mechanical Technician to support engineering and delivery teams with automated manufacturing line setup, assembly, testing, and validation of electrical and mechanical components for fusion energy systems.

Daily job alert

Get new VC-backed tech jobs in your inbox every morning.

Narrow your alert

Free daily email. Confirm via link to activate. Unsubscribe anytime.