Biosphere

Prototyping Engineer, Automation & Hardware

Biosphere · Oakland, CA

Posted 1 day ago

or apply directly on Biosphere's site. We never take the application ourselves.

Is this posting real?

This role has been open
1 day
Biosphere's roles stay open a median of 3 days
Reposted
No
Salary listed
No
20% of Biosphere's roles list one
Ghost-job risk at Biosphere
moderate
1 stale, 0 reposted of 5 open
Hiring momentum
6 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-29

Measured from postings appearing on and disappearing from Biosphere's own greenhouse board since 2026-08-03. Full hiring picture for Biosphere.

About this role

The Prototyping Engineer will work on building and modifying prototypes and test rigs for bioreactor technology, collaborating with the R&D team. Daily tasks include mechanical assembly, wiring control systems, troubleshooting equipment, running experiments, and documenting processes. This role offers hands-on experience with industrial fermentation equipment and opportunities to learn about bioprocess hardware.

Our read on this posting3.2out of 5
benefits
3/5
freshness
5/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Biosphere as an employer.

What you need

  • Have built physical things that work, at school, at a job or on your own.
  • Can wire and troubleshoot basic electrical and control systems, and have programmed a PLC, an Arduino, a Raspberry Pi or similar.
  • Are handy with tools, and ideally have done some machining or fabrication.
  • Have worked around bioreactors, fermenters or other lab or process equipment, in a lab, a brewery, a food or biotech plant, or similar.
  • Take safety seriously around electricity, pressure, steam, compressed gases and chemicals.
  • Have a degree in mechanical, electrical, chemical or biological engineering, mechatronics, or equivalent hands-on experience.

Nice to have

  • Industrial automation: CODESYS, Siemens, or SCADA and HMI tools such as Ignition
  • Sanitary process hardware: tri-clamp fittings, diaphragm valves, cleaning in place
  • Building or running fermentation or cell culture equipment

What you get

  • Competitive compensation through a mix of salary and equity.
  • Unlimited paid vacation and sick/leave days + public holidays.
  • Comprehensive health insurance for employees and their dependents, including dental and vision.
  • Paid family leave.
  • Membership at Pacific Pipe Climbing gym next door.

Worth weighing

  • No salary listed.
  • Role is suited for someone early in their career, which may imply limited seniority or mentorship opportunities.
  • The posting emphasizes a hands-on approach, which may not appeal to those seeking a more theoretical or design-focused role.

Summarised from Biosphere's posting. Read the full original.

Listed by Biosphere on their greenhouse job board, last confirmed open on 2026-10-29. PitchMeAI is not the employer.

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