Principal Laser Process Engineer
Diamond Foundry · Bay Area, CA
- Level
- Senior
- Team
- Process
- Degree
- Required
- Experience asked
- 8+ years
- Industry
- Industrial
- Posted
- 3 days ago
The role in 30 seconds
A senior process role at Diamond Foundry (industrial) in Bay Area, CA. Optimize high-power ablative laser processes to deliver micron-precision dimensional modification of diamond at high yields and throughput.
- They ask for
- 8+ years · degree required
- Tools it names
- Automation, Casting
Read from the posting. The full description is below.
From the plant jobs report · week of October 19, 2026
Process Engineer roles in California: typical posted base $120k–$171k.
Median of the low and high ends of 59 live postings that list pay, out of 94 process engineer openings in California, read from manufacturers' own careers sites.
California plant jobs report →Pay by team and state →What moves pay →
How this role compares
Against 93 other live process postings in California.
- Base pay
- Not listed in this posting
- Experience asked
- More than usual (8+ vs 5+)
Typical $120k–$171k, from 57 postings that list pay.
Similar roles usually ask 5+ years.
Skills these teams ask for most
- Root cause 46%
- DOE 31%
- SPC 29%
- Validation (IQ/OQ/PQ) 22%
- New product launch 22%
- Team leadership 21%
✓ = this posting asks for it too. % = share of similar postings that mention it.
Stands out: this posting asks for Casting, which few similar roles mention. If you have it, lead with it.
At a glance
Pulled from the posting text. If it's not listed here, the posting didn't say.
How to get in at this plant
Five moves over a week or two. The first one takes ten minutes.
- 1
Pick 2–3 people on the Process team at Diamond Foundry
We found 1 person at this company and state: 1 in this kind of role. Engineers who joined in the last year or two reply the most. See them ↓
- 2
Send a short, curious note
One real question about their work. No favors yet. Each person gets a different note, written for this role.
Write to Isaac → (free) - 3
Turn a reply into a short call
Questions worth asking about this team:
- What does a normal week look like on your team?
- Is the work mostly new product launches or sustaining existing lines?
- How much time do you spend on the floor versus at a desk?
- How did you land the job? What stood out in your interviews?
- 4
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If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.
- 5
Bring proof to the interview
One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.
This plant: Diamond Foundry in Bay Area
2 other open roles at this site · 1 person we found in process roles at Diamond Foundry.
- Materials Process Engineer · Process
- Equipment Maintenance Technician · Reliability · Technician
Full description from Diamond FoundryAs posted on their careers site.ShowHide
Responsibilities
- ◆Optimize high-power ablative laser processes to deliver micron-precision dimensional modification of diamond at high yields and throughput.
- ◆Lead key projects focused on equipment and automation improvements to support scalable manufacturing.
- ◆Serve as a subject matter expert, overseeing laser and related processes while optimizing process controls and data collection to drive continuous improvement.
- ◆Revolutionize high-power ablative systems to create world-leading throughput and precision performance.
Requirements
- ✓Advanced degree in Materials Science, Applied Physics (materials, laser, or optics focus), or Engineering with a minimum of 8+ years of relevant experience.
- ✓Expertise with applying optical fundamentals, laser materials processing, and resolving technical problems in a fast-paced manufacturing environment.
- ✓Experience in rigorous experimentation, documentation, and data-driven process improvements.
- ✓Experience with mass production of diamond, semiconductors, and/or ceramics is a plus.
Show full description ↓Show less ↑
Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.