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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 53Next
20 results on this page
Jobs per page
PreviousPage 53Next
Pacific Fusion logo
Senior Manufacturing Engineer
1/20Posted 2 weeks ago

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
DFM/DFA (Design for Manufacturability & Assembly)
Finite Element Analysis
Posted 2 weeks agoSee job

Pacific Fusion is seeking a Senior Manufacturing Engineer to lead the build center for our nuclear fusion demonstration system. The role involves bridging design and production, developing tooling, and ensuring reliable equipment infrastructure as we scale.

Pacific Fusion logo
Senior Target Fabrication Engineer - Assembly
2/20Posted 2 weeks ago

Pacific Fusion · San Leandro, Alameda County, California

$175,900 - $263,800
Onsite
Pacific Fusion logo
Senior Buyer
3/20Posted 2 weeks ago

Pacific Fusion · San Leandro, Alameda County, California

$125,000 - $150,000
Onsite
Pacific Fusion logo
Mechanical Engineer - Pulsed Power
4/20Posted 2 weeks ago

Pacific Fusion · Fremont, Alameda County, California

$115,000 - $150,000
Onsite
Pacific Fusion logo
Senior Controls Infrastructure Engineer
5/20Posted 2 weeks ago

Pacific Fusion · San Leandro, Alameda County, California

$138,100 - $207,100
Onsite
Pacific Fusion logo
Facilities Technician
6/20Posted 2 weeks ago

Pacific Fusion · San Leandro, Alameda County, California

$46.3 - $69.42
Onsite
Pacific Fusion logo
Senior Mechanical Design Specialist
7/20Posted 2 weeks ago

Pacific Fusion · San Leandro, Alameda County, California

$138,100 - $207,000
Onsite
Cellanome logo
Research Associate 2, Services (2:00pm - 10:00pm, Weds-Sun)
8/20Posted 2 weeks ago

Cellanome · San Diego, San Diego County, California

$75,000 - $85,000
Onsite
Cellanome logo
Software Test Analyst 2
9/20Posted 2 weeks ago

Cellanome · San Diego, San Diego County, California

$75,000 - $90,000
Onsite
Cellanome logo
Director, Segment Marketing & Market Development
10/20Posted 2 weeks ago

Cellanome · Foster City, San Mateo County, California

$190,000 - $240,000
Onsite
Cellanome logo
Staff Scientist, Chemistry
11/20Posted 2 weeks ago

Cellanome · Foster City, San Mateo County, California

$140,000 - $200,000
Onsite
Cellanome logo
Senior Director, Artificial Intelligence
12/20Posted 2 weeks ago

Cellanome · Foster City, San Mateo County, California

$288,000 - $330,000
Series C
Cellanome logo
Associate Director, Supply Chain
13/20Posted 2 weeks ago

Cellanome · Foster City, San Mateo County, California

$180,000 - $210,000
Onsite
Medeloop logo
Chief Commercial Officer
14/20Posted 2 weeks ago

Medeloop · Marion, Marion County, Kansas

Remote
Series A
Medeloop logo
Healthcare Data Scientist (RWD)
15/20Posted 2 weeks ago

Medeloop · San Francisco, San Francisco County, California

Hybrid
Series A
Apiiro logo
Customer Success Manager
16/20Posted 2 weeks ago

Apiiro · Myrtle Point, Coos County, Oregon

Remote
Series B
Funded Nov 2022
Mistral AI logo
Engineering Lead, Inference
17/20Posted 2 weeks ago

Mistral AI · New York, New York County, New York

Hybrid
Series C
Fourier logo
Fall 2026 R&D Engineering Intern – Hydrogen Systems
18/20Posted 2 weeks ago

Fourier · Mountain View, Santa Clara County, California

$5,000 - $5,000
Onsite
Campus logo
Brand Marketing Manager
19/20Posted 2 weeks ago

Campus · New York, New York County, New York

$110,000 - $140,000
Hybrid
Neko Health logo
Sonographer — Abdomen & Vascular
20/20Posted 2 weeks ago

Neko Health · Aventura, Miami-Dade County, Florida

Hybrid
Series C
Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
GD&T
Posted 2 weeks agoSee job

Pacific Fusion seeks a Senior Target Fabrication Engineer to lead precision assembly and project management for fusion targets, bridging design and physical realization to deliver high-precision assemblies on schedule.

Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Coupa
NetSuite
SAP
Posted 2 weeks agoSee job

Pacific Fusion seeks a Senior Buyer to support sourcing and delivery of components for a fusion demonstration system. The role involves negotiating with suppliers, managing performance, and implementing procurement strategies to ensure timely and budget-conscious delivery.

Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
ANSYS
Control Systems
MATLAB
PSCAD
+2 more
Posted 2 weeks agoSee job

Pacific Fusion is seeking a highly motivated Mechanical Engineer to design, build, operate, and advance pulsed power systems for its inertial fusion platform. This role involves high-voltage systems, controls, diagnostics, and data analysis, with responsibilities spanning design, testing, and system improvement.

Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Firewalls
Infrastructure as Code
NIST SP 800-171
Zero Trust Architecture
Posted 2 weeks agoSee 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. The role demands expertise in network segmentation, Zero Trust, NIST compliance, and leading infrastructure projects in a regulated environment.

Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD Software Proficiency
CNC Machining
HVAC
Machining
Posted 2 weeks agoSee job

Pacific Fusion is seeking a Facilities Technician to support engineering and operations by installing and maintaining equipment, managing facilities, and assisting with test stands. The role requires 5+ years of hands-on experience and involves both mechanical and electrical tasks.

Series A
Funded 2 yr ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
CAD
Creo Parametric
Finite Element Analysis
GD&T
+1 more
Posted 2 weeks agoSee job

Pacific Fusion is seeking a Senior Mechanical Design Specialist to develop advanced mechanical systems for next-generation fusion energy technology. This hands-on role involves CAD design, analysis, and technical leadership, contributing to the mission of providing abundant, affordable, clean energy.

Series C
$100M-$1B
General Catalyst
Laboratory Information Management System (LIMS)
Posted 2 weeks agoSee job

Cellanome is seeking a Research Associate 2 to execute end-to-end workflows on the R3200 platform, processing living cells and preparing sequencing libraries. This second shift role (Weds-Sun, 2pm-10pm) requires cell and molecular biology experience, lab automation, and attention to detail.

Series C
$100M-$1B
General Catalyst
Data Analysis
Python
Posted 2 weeks agoSee job

Cellanome is seeking a Software Test Analyst 2 to bridge biology and software, designing and executing tests for instrument control, UI, and analysis software. The role requires cell biology knowledge and at least 2 years of relevant experience, with a focus on identifying software defects and ensuring instrument performance.

Series C
$100M-$1B
General Catalyst
Immunology
Posted 2 weeks agoSee job

Cellanome is seeking a Director of Segment Marketing & Market Development to build market narratives, drive go-to-market strategy, and create scientific content for a new category of measurement. This on-site role in Foster City or San Diego requires deep scientific fluency and 15+ years of experience.

Series C
$100M-$1B
General Catalyst
Posted 2 weeks agoSee job

Cellanome is seeking an experienced chemist or materials scientist to develop novel chemistries, bioconjugation methods, and materials immobilization strategies for its consumable product line. The role involves characterizing materials and working with R&D and process development teams. Requires a PhD and 5+ years of relevant experience.

$100M-$1B
General Catalyst
Artificial Intelligence
Deep Learning
Foundation Models
Machine Learning
+2 more
Posted 2 weeks agoSee job

Lead Cellanome's AI/ML efforts, developing deep learning models for image processing and integrating imaging and transcriptomic data. Drive multi-year strategy and mentor a team.

Series C
$100M-$1B
General Catalyst
ERP Systems
NetSuite
Posted 2 weeks agoSee job

Cellanome is hiring an Associate Director, Supply Chain to lead supply chain, logistics, and material control. This onsite role requires 15+ years of experience and offers a competitive salary and benefits.

$10M-$100M
General Catalyst
Posted 2 weeks agoSee job

Medeloop, an AI platform for clinical research, is hiring a Chief Commercial Officer to own and scale the revenue engine, lead sales and partnerships, and drive go-to-market strategy. Remote role.

$10M-$100M
General Catalyst
AI/ML
Electronic Health Records (EHR)
Python
SQL
Posted 2 weeks agoSee job

We are seeking a Healthcare Data Scientist to analyze real-world evidence and shape AI-powered clinical research. The role combines rigorous RWE analysis with collaboration across product, AI, and customer teams.

51–200
$100M-$1B
General Catalyst
Greylock Partners
CI/CD
Cursor
DevSecOps
SAST
+1 more
Posted 2 weeks agoSee job

Apiiro is seeking a Customer Success Manager to own post-sale relationships for enterprise accounts, driving adoption and value realization of its Agentic AppSec Platform. The role focuses on guiding customers through securing AI-driven development and requires 5+ years of CS experience in AppSec/DevSecOps.

Funded 6 mo ago
$1B-$10B
Andreessen Horowitz (a16z)
General Catalyst
+2 more
C Programming Language
Databases
Distributed Systems
Django
+4 more
Posted 2 weeks agoSee job

Mistral is seeking an Engineering Lead for its Inference API team to lead evolution of the inference stack, ship enterprise features, and scale the team. Requires experience managing engineering teams and proficiency in Python, C#, Golang, TypeScript, and distributed systems.

Series A
$10M-$100M
General Catalyst
Control Systems
Thermodynamics
Posted 2 weeks agoSee job

Support the design and validation of a regenerative drying and purification system for high-purity hydrogen production. Work closely with R&D engineers to characterize thermal/separation processes and develop control systems. On-site internship in Mountain View, CA starting Fall 2026.

Series B
Funded 2 yr ago
$100M-$1B
General Catalyst
Notion
Posted 2 weeks agoSee job

Campus seeks a Brand Marketing Manager to lead brand execution, manage a team, and drive engagement. This hybrid role in New York City offers a competitive salary and benefits.

Funded 3 mo ago
$1B-$10B
General Catalyst
Lightspeed Venture Partners
Cardiac Ultrasound
Posted 2 weeks agoSee job

Neko Health is seeking an experienced Sonographer to independently perform abdominal and vascular ultrasounds for its full-body preventive health scan in Miami, Florida. The role involves producing accurate reports, collaborating with a multidisciplinary team, and contributing to high clinical standards.