Process Engineer
Flex · California
- Level
- Engineer
- Team
- Process
- Degree
- Required
- Experience asked
- 4+ years
- Industry
- Industrial
- Posted
- 30+ days ago
The role in 30 seconds
An engineer-level process role at Flex (industrial) in California. Hands-on knowledge of process control, DOE, SPC, PFMEA, and continuous improvement methodologies to drive manufacturing excellence.
- They ask for
- 4+ years · degree required
- Tools it names
- Root cause, SPC, FMEA, DOE, Validation (IQ/OQ/PQ), Painting / coating
Read from the posting. The full description is below.
From the plant jobs report · week of October 26, 2026
Process Engineer roles in California: typical posted base $122k–$171k.
Median of the low and high ends of 58 live postings that list pay, out of 96 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 95 other live process postings in California.
- Base pay
- Not listed in this posting
- Experience asked
- Less than usual (4+ vs 5+)
Typical $120k–$171k, from 56 postings that list pay.
Similar roles usually ask 5+ years.
Skills these teams ask for most
- ✓ Root cause 47%
- ✓ DOE 31%
- ✓ SPC 28%
- ✓ Validation (IQ/OQ/PQ) 23%
- ✓ New product launch 22%
- Team leadership 21%
✓ = this posting asks for it too. % = share of similar postings that mention 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 Flex
Engineers who joined in the last year or two reply the most. Use the team search on this page to find 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.
- 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
Apply with someone vouching for you
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.
Process Engineer at Flex in other locations
Flex lists this title in 4 places. Pick the plant you can get to.
Full description from FlexAs posted on their careers site.ShowHide
Job Summary
Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.
A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.
Job Summary
To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a PCBA Process Engineer located in Milpitas, CA.
Reporting to the Director, Operations Engineering, the Process Engineer, PCBA-SMT will be responsible for developing, improving, and sustaining PCBA manufacturing processes with a strong focus on cost, quality, delivery, productivity, and yield improvements. This position will support process engineering activities across new product introduction, equipment implementation, process optimization, troubleshooting, and continuous improvement in a high-technology electronics manufacturing environment.
The experience we’re looking to add to our team
- ✓4+ years of process engineering experience within high-technology electronics manufacturing.
- ✓Bachelor’s degree in Engineering.
- ✓Deep expertise in PCBA manufacturing processes, including SMT, stencil printing, SPI, pick-and-place, reflow soldering, wave/selective soldering, coating, underfill, and depanelization.
- ✓Strong experience developing, optimizing, and sustaining manufacturing processes with a focus on yield, quality, throughput, and cycle time improvements
- ✓Proven ability to troubleshoot complex process issues using statistical methods and root cause analysis tools.
- ✓Experience supporting NPI, technology transfers, equipment qualification, and process validation in a high-volume manufacturing environment.
- ✓Hands-on knowledge of process control, DOE, SPC, PFMEA, and continuous improvement methodologies to drive manufacturing excellence.
- ✓Strong understanding of PCBA inspection and test methodologies, including AOI, X-ray, functional testing, component testing, and measurement systems.
- ✓Demonstrated technical leadership with the ability to influence cross-functional teams, lead process improvement initiatives, and support strategic manufacturing objectives.
GZ27
Show full description ↓Show less ↑
Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.
A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.
What a typical day looks like
- •Drive PCBA process development and optimization to improve quality, cost, delivery, and manufacturing efficiency.
- •Evaluate product designs and manufacturing processes using DFX methodologies.
- •Establish and sustain robust, repeatable process parameters for production.
- •Lead troubleshooting efforts and implement corrective actions for process-related issues.
- •Champion yield, productivity, throughput, cycle-time, and safety improvement initiatives.
- •Support capital equipment selection, qualification, implementation, and new technology introduction.
- •Develop and maintain process documentation, manufacturing standards, and statistical process controls.
- •Partner with cross-functional teams to support new product introduction, technology transfers, and operator training.
What you'll receive for the great work you provide
- •Full range of medical, dental, and vision plans
- •Life Insurance
- •Short-term and Long-term Disability
- •Matching 401(k) Contributions
- •Vacation and Paid Sick Time
- •Tuition Reimbursement