Director of Product Engineering (Fluid Systems and Thermal Management)
Flex · Massachusetts
- Level
- Director+
- Team
- Manufacturing
- Degree
- Preferred
- Experience asked
- 12+ years
- Industry
- Industrial
- Posted
- 30+ days ago
The role in 30 seconds
A director-level manufacturing role at Flex (industrial) in Massachusetts. Define, implement, and continuously improve engineering processes that drive technical rigor, design quality, and consistent execution across all programs.
- They ask for
- 12+ years · degree preferred
Read from the posting. The full description is below.
From the plant jobs report · week of October 19, 2026
Manufacturing Engineer roles in Massachusetts: typical posted base $100k–$145k.
Median of the low and high ends of 34 live postings that list pay, out of 62 manufacturing engineer openings in Massachusetts, read from manufacturers' own careers sites.
Massachusetts plant jobs report →Pay by team and state →What moves pay →
How this role compares
Against 61 other live manufacturing postings in Massachusetts.
- Base pay
- Not listed in this posting
- Experience asked
- More than usual (12+ vs 5+)
Typical $95k–$134k, from 31 postings that list pay.
Similar roles usually ask 5+ years.
Skills these teams ask for most
- Tooling 55%
- Lean 53%
- Automation 45%
- Root cause 42%
- ✓ New product launch 39%
- Six Sigma 32%
✓ = 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
We found 2 people at this company and state: 1 in this kind of role, 1 leaders. 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 Rebecca → (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
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 team who build great products and contribute to our growth, we’re looking to add a located in Massachusetts , Littleton.
Reporting to the VP, Design, Process and Technology Engineering the Director of Product Engineering is responsible leader to own and lead the Product Engineering organization. This role is responsible for driving technical rigor, consistency of execution, and scalable engineering processes across multiple engineering disciplines.
The ideal candidate brings deep technical expertise combined with strong product development leadership experience. This leader will define and implement engineering processes that support high-quality, repeatable product delivery, while guiding cross-functional teams from concept through commercialization.
This role emphasizes leading engineering execution within a product development environment, while leveraging technical depth to deliver scalable, high-quality solutions. Experience in liquid cooling systems, infrastructure technologies, or adjacent hardware systems is highly preferred.
The experience we’re looking to add to our team
- ✓Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or related field (advanced degree a plus).
- ✓12+ years of progressive engineering experience, including significant leadership experience in product development environments.
- ✓Proven experience leading multi-disciplinary engineering teams at scale, including managers and cross-functional groups.
- ✓Demonstrated success owning product engineering execution, including defining and implementing scalable processes.
- ✓Strong technical foundation in fluid systems, thermal management, or related hardware/system-level engineering.
- ✓Experience working in product-driven organizations delivering revenue-generating hardware solutions.
- ✓Excellent communication and presentation skills, with the ability to clearly convey complex technical concepts to both technical and non-technical audiences.
- ✓Strong program and project management capabilities, with experience driving multiple concurrent initiatives.
- ✓Experience with industry-standard engineering and simulation tools (e.g., CAD, MATLAB, Ansys, COMSOL, etc.).
Preferred Qualifications
- ✓Experience in liquid cooling systems, data center infrastructure, or similar high-performance hardware environments.
- ✓Demonstrated experience scaling engineering organizations in high-growth environments.
- ✓Familiarity with product lifecycle management (PLM), stage-gate processes, and manufacturing ramps.
- ✓Background that includes R&D experience is welcome but should be complemented by strong leadership in product engineering and delivery-focused environments.
KR13
Show full description ↓Show less ↑
At JetCool, a Flex company, we’re at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what’s possible and tackling complex challenges.
A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we’re not just advancing technology — we’re redefining cooling standards to create a more sustainable tomorrow.
What a typical day looks like
- •Own and lead the Product Engineering organization, including multiple engineering disciplines (e.g., mechanical, systems, thermal, and related functions).
- •Define, implement, and continuously improve engineering processes that drive technical rigor, design quality, and consistent execution across all programs.
- •Lead end-to-end product development from concept through production, ensuring alignment with business objectives, timelines, and customer requirements.
- •Establish and enforce best practices in design reviews, engineering documentation, configuration management, and product lifecycle management.
- •Drive Design for Manufacturability (DFM), reliability, and quality into all stages of product development.
- •Partner cross-functionally with Operations, Supply Chain, and Commercial teams to ensure successful product launches and customer delivery.
- •Build, lead, and develop a high-performing multi-disciplinary engineering organization, including manager-level talent.
- •Serve as a strong communicator and representative of engineering, effectively engaging with senior leadership, customers, and external partners.
- •Ensure alignment between engineering execution and customer needs, maintaining a strong product- and delivery-focused mindset.
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