JetCool

AI and high-performance computing

ReliabilityEngineer

$104–104k Littleton, Massachusetts, United States FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid candidates.

The Brief

“Reliability Engineer at JetCool. Skills: Reliability Engineer, DFMEA, PFMEA, reliability models, reliability test plans, failure root cause investigations. influence design choices. design and maintain reliability evaluation tools to maximize product reliability”

What You'll Achieve.

maximize product reliability

Industry & Context.

AI and high performance computing
Problems you'll solve

tackling complex challenges; Leading failure root cause investigations; Support the resolution of technical challenges and issues

What They're Looking For.

Must Have

Bachelor of Science degree in Mechanical Engineering or related field, Minimum of 5 years of post-collegiate experience, preferably working in Testing/ Automation/ Mechanical Engineering, Proven experience in NPI process participation and/or leadership, Design and development of Reliability Plan, Fixture Design and creation, Experience testing Thermal and fluid systems

Nice to Have

Experience with liquid cooling innovation, Experience with AI and high-performance computing

What You'll Do.

influence design choices

design and maintain reliability evaluation tools to maximize product reliability

lead DFMEA and PFMEA efforts supporting our coolant distribution units

lead the identification of reliability related test needs

Lead the development of new and the maintenance of existing coolant distribution unit reliability models

Work with engineering and operations to establish reliability test plans to support the introduction of new products or product updates

Leading failure root cause investigations

Support the resolution of technical challenges and issues related to coolant distribution units throughout the product lifecycle

How You'll Work.

Team & Collaboration

working together with the team; Work with engineering and operations; Participate in design reviews, presenting technical findings and recommendations to internal and external stakeholders

Communication Scope

Excellent communication skills to help facilitate more complete FMEAs and distill key reliability findings for internal and external stakeholders; presenting technical findings and recommendations to internal and external stakeholders

Process & Methodology

NPI process participation and/or leadership, Design and development of Reliability Plan

Full Job Description

Job Posting Start Date 04-27-2026 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 Reliability Engineer located in Littleton, MA. Reporting to the Product Manager the Reliability Engineer will influence design choices, design and maintain reliability evaluation tools to maximize product reliability, and lead DFMEA and PFMEA efforts supporting our coolant distribution units. The position will lead the identification of reliability related test needs, planning, and evaluation. Successful candidates will be comfortable taking on tasks as an individual contributor as well as working together with the team as required to meet project deadlines. **What a typical day looks like:** * Lead the development of new and the maintenance of existing coolant distribution unit reliability models. * Work with engineering and operations to establish reliability test plans to support the introduction of new products or product updates. * Assist in maintaining a strong best practice culture and driving additional foundational knowledge and IP. * Leading failure root cause investigations. * Provide technical guidance and mentorship to junior engineers, fostering a culture of continuous learning and development. * Participate in design reviews, presenting technical findings and recommendations to internal and external stakeholders. * Support the resolution o

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