Sr Test Engineering Manager
Flex · California
- Level
- Manager
- Team
- Manufacturing
- Degree
- Required
- Experience asked
- 9+ years
- Industry
- Industrial
- Posted
- 3 days ago
The role in 30 seconds
A management manufacturing role at Flex (industrial) in California. Identify, assess, and manage testing risks while ensuring projects are delivered on time, within budget, and in alignment with business and customer requirements.
- They ask for
- 9+ years · degree required
- Tools it names
- Root cause, Validation (IQ/OQ/PQ), Automation
Read from the posting. The full description is below.
From the plant jobs report · week of October 19, 2026
Manufacturing Engineer roles in California: typical posted base $114k–$167k.
Median of the low and high ends of 117 live postings that list pay, out of 320 manufacturing 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 319 other live manufacturing postings in California.
- Base pay
- Not listed in this posting
- Experience asked
- More than usual (9+ vs 5+)
Typical $111k–$157k, from 105 postings that list pay.
Similar roles usually ask 5+ years.
Skills these teams ask for most
- Tooling 53%
- ✓ New product launch 51%
- ✓ Root cause 40%
- ✓ Automation 35%
- Machining 29%
- CATIA / NX 29%
✓ = 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 Manufacturing 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.
Full description from FlexAs posted on their careers site.ShowHide
Job Summary
To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Sr Tes Engineering Manager located in Milpitas, CA.
Reporting to the Director, Operations Engineering, the Sr Tes Engineering Manager will provide esponsible for managing the evaluation, recommendation, and implementation of testing procedures, strategies, systems, components, and modifications. Acts as an advisor to test engineering team regarding projects, tasks, and operations and acts as a liaison to other engineering functions. Ensures projects are completed on time and within budget.
The experience we’re looking to add to our team
- ✓Bachelor’s degree in Engineering or a related technical field.
- ✓9+ years of engineering experience, including leadership of engineering organizations.
- ✓Experience developing and implementing test strategies, procedures, and test plans for electronic products, systems, or software, including defining test conditions, sequences, and validation methodologies.
- ✓Expertise with test equipment, instrumentation, and automated test systems, including development, installation, calibration, and maintenance of testing hardware and software solutions.
- ✓Strong root cause analysis and yield improvement experience, with demonstrated success identifying test failures, troubleshooting product/system issues, and implementing corrective actions to improve quality and reliability.
- ✓Ability to analyze and interpret complex test data, generate technical reports, and provide data-driven recommendations to engineering and operational teams.
- ✓Experience leading test engineering activities throughout the product lifecycle, including coordinating test execution, managing testing risks, and collaborating with cross-functional engineering teams to resolve technical issues..
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
- •Lead the development and execution of global test engineering strategies, including validation methodologies, test plans, and test automation initiatives for new and existing products.
- •Manage and mentor Test Engineering teams, ensuring technical excellence, resource planning, performance development, and successful project execution.
- •Drive test yield improvement through root cause analysis, corrective actions, process optimization, and implementation of best testing practices.
- •Oversee the design, deployment, calibration, and maintenance of test equipment, instrumentation, and automated test systems to ensure product quality and reliability.
- •Partner with cross-functional Engineering, Manufacturing, Quality, and Operations teams to resolve complex product and system issues and support new product introductions (NPI).
- •Identify, assess, and manage testing risks while ensuring projects are delivered on time, within budget, and in alignment with business and customer requirements.
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