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Calyxo

Principal Hardware Engineer - Fluidics - Pleasanton, CA

Calyxo · Pleasanton, CA

Posted about 3 months ago · $250,000 - $270,000

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

Is this posting real?

This role has been open
80 days
Calyxo's roles stay open a median of 63 days
Reposted
No
Salary listed
Yes
76% of Calyxo's roles list one
Ghost-job risk at Calyxo
high
20 stale, 0 reposted of 21 open
Hiring momentum
35 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-23

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

About this role

Calyxo, Inc. is looking for a Principal Hardware Engineer to lead the development of advanced fluidic subsystems for kidney stone treatment. This role involves designing and controlling irrigation and aspiration systems, ensuring compliance with industry standards, and collaborating with cross-functional teams to bring prototypes to market. The engineer will also mentor junior staff and drive technical project teams through all development phases.

Our read on this posting3.2out of 5
benefits
2/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
5/5

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 Calyxo as an employer.

What you need

  • Bachelor’s degree in Mechanical Engineering, Biomedical Engineering, Electrical Engineering, Mechatronics, or a related discipline
  • 15+ years of experience developing fluidic, mechatronic, or control systems in a regulated product environment
  • Proven experience developing and tuning closed-loop control systems for electromechanical hardware
  • Experience prototyping and testing systems at the bench and subsystem level
  • Strong first-principles thinker with expert-level fundamentals in fluid dynamics
  • Clear technical communication skills and ability to influence across multidisciplinary teams

Nice to have

  • Master’s or PhD in a relevant engineering discipline preferred
  • Preferred familiarity with disposable fluidic component design and reusable/disposable system interfaces
  • Preferred experience with irrigation and aspiration systems, endoscopic or urological devices, or surgical fluid management platforms
  • Experience with pressure, flow, air-in-line, or occlusion detection preferred
  • Proficiency with prototype embedded software development (e.g., C/C++, Python, or similar) to support hardware designs

What you get

  • Competitive base salary of $250,000 - $270,000 and variable incentive plan
  • Stock options
  • Employee benefits package that includes 401(k), healthcare insurance and paid vacation

Worth weighing

  • No specific mention of remote work options
  • The role requires a significant amount of experience in a regulated environment, which may limit candidates who are newer to the field
  • Travel requirement of up to 10% may be a consideration for some candidates

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

Listed by Calyxo on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.

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