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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 15Next
Pacific Fusion logo
Senior Manufacturing Engineer
1/20Posted last week

Pacific Fusion · San Leandro, Alameda County, California

$138,100 - $263,800
Onsite
20 results on this page
Jobs per page
PreviousPage 15Next
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.

Pacific Fusion logo
Senior Mechanical Design Specialist
2/20Posted 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
Manufacturing Engineer
3/20Posted 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
4/20Posted 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 Accountant
5/20Posted last week

Pacific Fusion · Albuquerque, Bernalillo County, New Mexico

$115,000 - $125,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Posted last weekSee job

Senior Accountant at Pacific Fusion will own a portion of accounting activities, including monthly close, financial statements, reconciliations, and process improvements, supporting an inertial fusion energy company.

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Pacific Fusion logo
Senior Project Engineer, Steel Structures
6/20Posted 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.

Pacific Fusion logo
Facilities Engineer
7/20Posted last week

Pacific Fusion · Albuquerque, Bernalillo County, New Mexico

$120,000 - $170,000
Onsite
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Posted last weekSee job

Pacific Fusion seeks a Senior Facilities Engineer to lead the integration of mechanical and electrical systems for its fusion demonstration system in Albuquerque, NM. This role manages facility infrastructure, design consultants, and construction support, with up to 50% travel to San Leandro, CA. Requires 10+ years in large-scale facility design and commissioning.

Pacific Fusion logo
Infrastructure Mechanical Engineer
8/20Posted 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
HVAC
Posted last weekSee job

Pacific Fusion is seeking an Infrastructure Mechanical Engineer to oversee mechanical building system integration for its nuclear fusion demonstration system in Albuquerque, NM. The role involves design, construction oversight, and operations of HVAC, fire protection, plumbing, and utility systems, with up to 50% travel to San Leandro, CA.

Pacific Fusion logo
Senior Controls Infrastructure Engineer
9/20Posted 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
Infrastructure Electrical Engineer
10/20Posted 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.

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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
Senior Mechanical Engineer - Pulser Modules
12/20Posted 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
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
Mechanical Engineer - Pulsed Power
14/20Posted 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.

Alpha-9 Oncology logo
Clinical Trial Manager
15/20Posted last week

Alpha-9 Oncology · Boston, Suffolk County, Massachusetts

Onsite
Series C
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
Posted last weekSee job

Alpha-9 Oncology seeks a Clinical Trial Manager to support the day-to-day execution of radiopharmaceutical studies, ensuring compliance with protocols and regulations, managing vendors, and collaborating cross-functionally. The role requires 3–5 years of clinical operations experience, ideally with early-stage oncology trials.

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.

Alpha-9 Oncology logo
Senior Manager, Analytical Development & Quality Control
16/20Posted last week

Alpha-9 Oncology · Boston, Suffolk County, Massachusetts

$175,000 - $194,000
Onsite
Series C
$100M-$1B
Andreessen Horowitz (a16z)
General Catalyst
+1 more
JMP
Microsoft Excel
Posted last weekSee job

Alpha-9 Oncology is seeking a Senior Manager, Analytical Development & Quality Control to lead quality control and analytical lifecycle activities for clinical-stage radiopharmaceutical programs. The role involves managing external CDMOs, data trending, and ensuring analytical control strategies. Based in Boston, MA.

Eve logo
Senior Product Marketing Manager - Core
17/20Posted last week

Eve · Myrtle Point, Coos County, Oregon

$160,000 - $270,000
Remote
Series B
Funded 1 yr ago
51–200
$100M-$1B
Andreessen Horowitz (a16z)
Lightspeed Venture Partners
Posted last weekSee job

Eve, a legal tech company, seeks a Senior Product Marketing Manager to own positioning, messaging, and launch strategy for EveOS. This role is the voice of the market inside Product and the voice of the product in the market, requiring 7+ years of B2B SaaS or legaltech product marketing experience. Remote US, with a base salary range of $160,000–$270,000.

K2 Space logo
Principal Crypto Engineer (TS/SCI)
18/20Posted last week

K2 Space · Los Angeles, Los Angeles County, California

$160,000 - $245,000
Onsite
Series C
$100M-$1B
Lightspeed Venture Partners
Avionics
Encryption
Flight Software
Posted last weekSee job

K2 Space is seeking a Principal Crypto Engineer to own the architecture and design of Type-1 cryptographic integrations for spacecraft and ground segment, leading certification and accreditation with NSA. Requires TS/SCI clearance and 5+ years of cryptographic systems experience. Based in Los Angeles, CA.

K2 Space logo
Senior Dynamics Engineer
19/20Posted last week

K2 Space · Los Angeles, Los Angeles County, California

$140,000 - $175,000
Onsite
Series C
$100M-$1B
Lightspeed Venture Partners
Digital Signal Processing
Finite Element Analysis
NASTRAN
Python
Posted last weekSee job

Senior Dynamics Engineer at K2 Space, responsible for deriving loads and environments for satellites, building simulation tools, and leading qualification testing. Requires 5+ years of dynamics experience and a background in mechanical/aerospace engineering.

K2 Space logo
Senior FPGA Engineer (TS/SCI)
20/20Posted last week

K2 Space · Los Angeles, Los Angeles County, California

$120,000 - $225,000
Onsite
Series C
$100M-$1B
Lightspeed Venture Partners
Bare Metal
Bash
C Programming Language
C++
+9 more
Posted last weekSee job

K2 Space is building the largest and highest-power satellites ever flown. We are seeking a Senior FPGA Engineer to develop and verify FPGA firmware for spacecraft, owning critical programmable logic systems. This role involves VHDL/SystemVerilog, hardware-in-the-loop testing, and working on mission-critical 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.