2,064,148open jobs
121,833companies
239,934added this week
Browse all
Salary
$110k – $140k per year
Location
In office (San Francisco)
Seniority
Junior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 27, 2026.

Overview
Company
Impact
Profile match
Numen is a biotechnology startup developing rapid at-home diagnostic tests intended to detect cancer early and reduce cancer deaths. Its work combines protein engineering, including computational protein design, with consumer-friendly test design for use outside the clinic. The company is headquartered in San Francisco, California, United States.

About Numen

Numen is a San Francisco-based team building technology to drive cancer mortality toward zero. Our goal is to compress every patient's journey from the first signal of disease to optimal treatment with earlier, easier detection. Backed by Y Combinator, we are a dynamic team across bioscience, engineering, machine learning, and design, building diagnostics from the ground up.

About the role

This role supports electrical, mechanical, and software tasks, under the direction of an experienced engineering team. The ideal candidate is someone who is eager to build systems that solve real-world problems, with the ability to critically evaluate signals and systems outputs.

What you'll do

  • Design and lay out simple PCBs (sensor breakouts, interface boards, test fixtures)
  • Solder and rework SMD and through-hole components; assemble and debug prototype PCB boards
  • Write firmware for microcontroller-based test setups (data acquisition, motor/valve control, serial communication)
  • Build user interfaces for bench instruments and control tools
  • Design and fabricate prototypes and fixtures with rapid manufacturing tools (laser cutting, 3D printing)
  • Run bench characterization of sensors and readout electronics; record and organize data

Requirements

  • BS in Electrical, Mechanical, Mechatronics, Biomedical, Chemical or other relevant Engineering discipline
  • Hands-on experience with PCB design tools, CAD software, and soldering
  • Bench skills utilizing oscilloscopes, multimeters, power supplies, signal generators

Nice to have

  • Analog front-end or low-noise measurement experience
  • Signal processing experience
  • Experience running basic biological protocols
  • Exposure to design controls or documentation in a regulated setting

Why Join Us:

  • Be part of a visionary team that is set to change the way diagnostic testing is done.
  • Work in a collaborative and innovative environment with leading experts across various fields.
  • Competitive salary and benefits package.
  • Opportunities for professional growth and development in a fast-paced startup setting.
  • Make a tangible impact on healthcare and improve patient outcomes through at-home diagnostics.

Even if you feel like you don’t meet all of the qualifications, we encourage you to apply!

Research shows that while men apply to jobs where they meet an average of 60% of the criteria, women and other underrepresented people tend to only apply when they meet 100% of the qualifications. At Cleancard, we welcome diverse perspectives and people who think rigorously and aren't afraid to challenge the status quo. Cleancard is an equal opportunity employer; we celebrate diversity and are committed to creating an inclusive environment, free from discrimination or harassment, for all employees.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,064,148 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Industrial Engineering
Similar stack
Same company
San Francisco
≈ $37k – $66k per year (Estimated) · In office · Full-Time · 2+ years exp · High School Diploma · Lewes
Apply
$146k – $218k per year · Equity · In office · 4+ years exp · Bachelor's Degree · Austin
Python
C++
Perl
DevOps
Linux
Unix
Chips/EDA
Cadence Innovus
Synopsys PrimeTime
Synopsys Fusion Compiler
Formal Verification
QA
Rest-Assured
Apply
$160k – $239k per year · Equity · In office · 4+ years exp · Bachelor's Degree · Santa Clara
Python
C++
Perl
DevOps
Linux
Unix
Chips/EDA
Cadence Innovus
Synopsys PrimeTime
Synopsys Fusion Compiler
Formal Verification
QA
Rest-Assured
Apply
≈ $52k – $95k per year (Estimated) · Equity · In office · Full-Time · 4+ years exp · Bachelor's Degree · Indianapolis
Apply
Fiber Engineer 1 day ago
$68k – $105k per year · Remote (United States) · Full-Time · 3+ years exp · PhD · United States
SpaceTech
QGIS
Apply
$113k – $150k per year · Equity 0–0.1% · Hybrid · Full-Time · 1+ year exp · San Francisco
Python
C++
Robotics
ROS
ROS2
Path Planning
Apply
≈ $129k – $243k per year (Estimated) · Equity · In office · 6+ years exp · Bachelor's Degree · San Francisco
Python
Java
Kotlin
Databases
PostgreSQL
PostGIS
AI/ML
NumPy
Robotics
Open3D
SpaceTech
PDAL
Apply
≈ $69k – $136k per year (Estimated) · In office · 4+ years exp · San Francisco
DevOps
Azure
Windows
Cybersecurity
Okta
Management
Jira
Service Desk
Apply
≈ $101k – $216k per year (Estimated) · In office · Full-Time · 5+ years exp · Bachelor's Degree · San Francisco
Analytics
Microsoft Excel
Apply
$58k – $110k per year · In office · Full-Time · 2+ years exp · Sacramento · Washington · Nashville · Costa Mesa · San Jose
Apply
See all jobs
This is one of many
2,064,148 more open roles from verified company boards, updated every day.