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Liquid Cooling Computer Jobs (NOW HIRING)

Flex

Mechanical Development Engineer

Littleton, MA · On-site

Own mechanical design for liquid cooling components including cold plates, manifolds, quick-disconnects, tubing assemblies, housings, and chassis interfaces. * Create and manage detailed CAD models ...

Flex Ltd.

Mechanical Development Engineer

Littleton, MA · On-site

Own mechanical design for liquid cooling components including cold plates, manifolds, quick-disconnects, tubing assemblies, housings, and chassis interfaces. * Create and manage detailed CAD models ...

Flex Ltd.

Sr. Mechanical Development Engineer

Littleton, MA · On-site

$108K - $142K/yr

Own mechanical design for liquid cooling components including cold plates, manifolds, quick-disconnects, tubing assemblies, housings, and chassis interfaces. * Create and manage detailed CAD models ...

Flex

Sr. Mechanical Development Engineer

Littleton, MA · On-site

$108K - $142K/yr

Own mechanical design for liquid cooling components including cold plates, manifolds, quick-disconnects, tubing assemblies, housings, and chassis interfaces. * Create and manage detailed CAD models ...

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Liquid Cooling Computer information

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$33.5K

$48.3K

$63.5K

How much do liquid cooling computer jobs pay per year?

As of Jun 4, 2026, the average yearly pay for liquid cooling computer in the United States is $48,298.00, according to ZipRecruiter salary data. Most workers in this role earn between $38,000.00 and $55,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Liquid Cooling Computer Technician, and why are they important?

To thrive as a Liquid Cooling Computer Technician, you need solid knowledge of computer hardware, thermal management principles, and hands-on experience with PC assembly or repair, often backed by certifications like CompTIA A+ or similar. Familiarity with liquid cooling systems, diagnostic software, and relevant safety protocols is typically required. Attention to detail, problem-solving ability, and effective communication are important soft skills for troubleshooting and customer interaction. These skills ensure safe, efficient installation and maintenance of liquid cooling systems, minimizing hardware failures and maximizing system performance.

What are some common challenges faced by technicians working with liquid cooling systems in computers, and how can they be addressed?

Technicians working with liquid cooling computer systems often encounter challenges such as leak prevention, proper installation of components, and routine maintenance. Ensuring all fittings and tubing are secure and using high-quality components can help minimize leak risks. Regularly monitoring coolant levels and checking for blockages or air bubbles are essential maintenance practices. Additionally, technicians must stay up-to-date with the latest cooling technologies and manufacturer guidelines to ensure optimal system performance and longevity.

What is a liquid cooling computer?

A liquid cooling computer is a system that uses liquid, usually water or a special coolant, to dissipate heat away from key components like the CPU and GPU. This method is more effective than traditional air cooling, allowing for better temperature control, quieter operation, and often improved performance, especially in high-end or overclocked systems. Liquid cooling is popular among gamers, PC enthusiasts, and professionals who require powerful computers for tasks like video editing or 3D rendering. While setup can be more complex, it offers significant thermal advantages over standard air cooling solutions.

What is the difference between Liquid Cooling Computer vs Computer Hardware Technician?

AspectLiquid Cooling ComputerComputer Hardware Technician
Primary FocusDesign, install, and maintain liquid cooling systems for computersDiagnose, repair, and upgrade computer hardware components
CertificationsNone specific; technical knowledge of cooling systemsA+ Certification, CompTIA certifications
Work EnvironmentData centers, custom PC builds, gaming setupsRepair shops, IT departments, client sites
Industry UsageGaming, overclocking, high-performance computingIT support, computer repair, maintenance

While Liquid Cooling Computers focus on implementing advanced cooling solutions to optimize performance, Computer Hardware Technicians handle hardware repairs and upgrades. Both roles require technical knowledge but serve different aspects of computer maintenance and performance enhancement.

Infographic showing various Liquid Cooling Computer job openings in the United States as of May 2026, with employment types broken down into 18% As Needed, 73% Full Time, 7% Part Time, 1% Contract, and 1% Summer. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $48,298 per year, or $23.2 per hour.
Mechanical Development Engineer

Mechanical Development Engineer

JetCool Technologies, Inc.

Littleton, MA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago

Job description

Job Posting Start Date 04-10-2026 Job Posting End Date 06-26-2026
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.
Job Summary
To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Mechanical Development engineer located in Littleton, MA.
Reporting to the Product Manager the Mechanical Development engineer The Sr. Mechanical Design Engineer will own the design, analysis, validation, and refinement of mechanical components and assemblies that enable reliable, high efficiency liquid cooling. They will work closely with Thermal, Electrical, Product Development, Manufacturing, and Quality teams to take products from concept through launch and into scalable production.
What a typical day looks like:
Mechanical Design & Development
  • Own mechanical design for liquid cooling components including cold plates, manifolds, quick-disconnects, tubing assemblies, housings, and chassis interfaces.
  • Create and manage detailed CAD models, 2D drawings, GD&T, and tolerance stack-ups to ensure robust, manufacturable designs.
  • Select materials and finishes to address corrosion, galvanic compatibility, cleanliness, pressure containment, and long-term durability in liquid cooling environments.
  • Drive sealing strategies using O-rings, gaskets, welds, brazes, and adhesives matched to coolant chemistry and operating conditions.

Engineering Analysis
  • Perform engineering calculations and simulations related to mechanical stress, thermal expansion, fatigue, vibration, flow/pressure, and structural integrity.
  • Collaborate with thermal engineers to optimize mechanical features influencing flow distribution, pressure drop, fin/channel geometry, and heat transfer efficiency.
  • Conduct DFM reviews with suppliers to align machining, brazing, and fabrication methods with design requirements.

Prototyping & Validation
  • Build and iterate on prototypes to evaluate fit, finish, assembly, and performance.
  • Develop mechanical validation plans for pressure tests, leak testing, burst testing, vibration/shock, environmental exposure, thermal cycling, and dimensional inspection.
  • Design test fixtures and support automated data collection where needed.
  • Lead root cause analysis for failures (e.g., leaks, deformation, material incompatibility) and implement corrective design changes.

Manufacturing & Supplier Engagement
  • Collaborate with manufacturing engineering and suppliers on fabrication, machining, brazing, plating, and sealing processes.
  • Define critical-to-quality (CTQ) characteristics and participate in supplier qualification.
  • Review and approve tooling, control plans, and inspection criteria for new mechanical parts.
  • Support build events (EVT/DVT/PVT) and ensure mechanical components meet functionality, quality, and reliability targets.

Cross-Functional Collaboration
  • Work with Program Management and Product Development to translate product requirements into mechanical specifications.
  • Partner with Thermal and Electrical teams to ensure system-level integration of cooling hardware with processors, boards, and rack infrastructure.
  • Provide input to serviceability, reliability, manufacturability, and cost trade-off discussions.
  • Support customer evaluations, pilot deployments, and field feedback analysis.

The experience we're looking to add to our team:
  • BS/MS in Mechanical Engineering or equivalent experience.
  • 5+ years developing complex mechanical components or assemblies for electro mechanical systems; experience with liquid cooling or fluid systems strongly preferred.
  • Strong proficiency with CAD (SolidWorks, Creo, NX), drawing generation, and GD&T (ASME Y14.5).
  • Experience designing for precision machining, brazing, plating, elastomer sealing, and pressure rated components.
  • Hands-on experience with pressure/leak testing, dimensional inspection, materials evaluation, and mechanical validation testing.
  • Familiarity with materials (copper, aluminum, stainless steel, polymers, elastomers) and their behavior in liquid coolant environments.
  • Strong fundamental technical expertise in mechanical design and structural evaluation.
  • Strong working knowledge of fluid dynamics and heat transfer principles.
  • Excellent communication skills and ability to lead technical decisions across teams.

BO18
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

Pay Range (Applicable to Massachusetts)
$106,500.00 USD - $146,500.00 USD Annual
Job Category
Production Engineering
Is Sponsorship Available?
No
JetCool is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at JetCool, you must complete the application process first).

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