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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
  • Accel
  • Greylock
  • Founders Fund
  • General Catalyst
  • Index Ventures
  • Lightspeed
  • Bessemer
  • Coatue
  • Insight Partners
  • IVP
  • NEA
  • Thrive Capital
  • Sequoia
  • a16z
  • Benchmark
  • Accel
  • Greylock
  • Founders Fund
  • General Catalyst
  • Index Ventures
  • Lightspeed
  • Bessemer
  • Coatue
  • 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 14Next
Offchain Labs logo
Business Development Associate (Developer Ecosystem)
1/20Posted last week

Offchain Labs · Myrtle Point, Coos County, Oregon

Remote
Series B
20 results on this page
Jobs per page
PreviousPage 14Next
51–200
$100M-$1B
Lightspeed Venture Partners
Posted last weekSee job

Offchain Labs is hiring a Business Development Associate to drive adoption of ZeroDev's account infrastructure among early-stage builders. This remote role involves pitching ZeroDev's modular accounts, managing leads, and representing the project at industry events. Requires 2+ years of BD experience and knowledge of EIP-4337.

Offchain Labs logo
VP of Finance
2/20Posted last week

Offchain Labs · Myrtle Point, Coos County, Oregon

Remote
Series B
51–200
$100M-$1B
Lightspeed Venture Partners
Financial Modeling
Posted last weekSee job

Offchain Labs is seeking a VP of Finance to lead financial strategy, treasury, and governance for a leading Ethereum scaling solution. This executive will partner with the executive team to drive capital strategy and build scalable financial infrastructure.

Pacific Fusion logo
Senior Mechanical Engineer - Pulsed Power
3/20Posted 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
Senior Project Engineer, Steel Structures
4/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$160,000 - $220,000
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, contract management, and installation of structural steel systems for fusion energy. This role involves managing fabrication, vendor engagement, and cross-functional coordination to deliver critical infrastructure for commercial fusion.

Pacific Fusion logo
Senior Security Engineer
5/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$150,000 - $200,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Cloud Infrastructure
Endpoint Security
Identity and Access Management
Incident Response
+9 more
Posted last weekSee job

Pacific Fusion is seeking a Senior Security Engineer to implement and maintain security controls across IT systems, cloud infrastructure, and SaaS applications. The role involves endpoint security, identity and access management, incident response, and compliance documentation. Requires 5+ years of IT security experience.

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Pacific Fusion logo
Senior Buyer
6/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$125,000 - $150,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Coupa
NetSuite
SAP
Posted last weekSee job

Senior Buyer at Pacific Fusion, supporting sourcing and delivery of components for a fusion demonstration system. Negotiate with suppliers, manage performance, and implement procurement strategies in a fast-paced startup environment.

Pacific Fusion logo
Senior Mechanical Design Specialist
7/20Posted 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
8/20Posted 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 Structures Engineer
9/20Posted 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
Mechanical Design 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
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.

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Pacific Fusion logo
OBA Research Scientist/Engineer – Fusion Energy Systems
11/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$200,000 - $350,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
AI/ML
Control Systems
Posted last weekSee job

Pacific Fusion seeks scientists and engineers from U.S. national laboratories to pursue an Outside Business Activity (OBA) in fusion energy under the CHIPS and Science Act. The role involves leading fusion energy R&D across target design, code development, diagnostics, and systems engineering, with flexible hours and competitive compensation.

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 Mechanical Engineer
13/20Posted 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
Additive Manufacturing
ANSYS
CAD
Creo
+3 more
Posted last weekSee job

Pacific Fusion seeks a Senior Mechanical Engineer to design, analyze, and validate mechanical systems for its fusion energy platform. The role involves leading projects, mentoring junior engineers, and working on precision instrumentation in high-vacuum/radiation environments. Requires 5+ years of experience and expertise in CAD and FEA.

Pacific Fusion logo
Senior Mechanical Engineer - Pulser Modules
14/20Posted 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
Mechanical Engineer - Pulsed Power
15/20Posted 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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Narrow your alert

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Pacific Fusion logo
Head of Logistics & Inventory
16/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$175,000 - $220,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Posted last weekSee job

Lead logistics and inventory operations at Pacific Fusion, a fusion energy startup. Own material flow from supplier to installation, build and manage teams across sites, and ensure availability never gates production.

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
Senior Metrology & Inspection Engineer - Target Fabrication
18/20Posted 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 Metrology & Inspection Engineer to ensure dimensional integrity and quality of precision components for pulsed power fusion systems. The role involves developing metrology processes, inspection fixtures, and data workflows to meet micron-level tolerances.

Pacific Fusion logo
Electro-Mechanical Technician
19/20Posted 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.

Pacific Fusion logo
Controls Hardware Engineer
20/20Posted 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.

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.