Groq delivers fast, efficient AI inference. Our LPU-based system powers GroqCloud™, giving businesses and developers the speed and scale they need. From our Bay Area roots to our growing global presence, we are on a mission to make high performance AI compute more accessible and affordable. When real-time AI is within reach, anything is possible. Build fast.

Staff Thermal Test Engineer - Data Center Cooling

Mission:

Groq’s mission is the preservation of human agency and self determination in the age of AI, by becoming the essential component for AI’s deployment. Groq exists to ensure that AI is developed rapidly, that it and its benefits are made affordably and universally accessible, and that in doing so Groq becomes essential enough for those developing AI that we can guide AI to become a tool for our benefit. The quickest way to understand the opportunity is to watch the following talk – groq.link/scspdemo.

Responsibilities & opportunities in this role:

Plan & execute thermal test campaigns for LPU cold-plate loops and air-cooled subsystems (fans, heat sinks, RDHx).
Instrument test vehicles with T-type/ K-type thermocouples, RTDs, MEMS dP-sensors, flow meters, pressure transducers; automate collection via NI/Keysight DAQ and Influx/Grafana.
Correlate measurements to FloTHERM and steady-state and transient models; close gaps to < 5 °C delta.
Characterize thermal interface materials (TIM1/ TIM1.5/ TIM2)—bond-line thickness, interface resistances, contact pressure.
Benchmark cold-plate performance (∆T, HTC, pressure drop) under variable flow (0.5–2 L min-¹) and coolant mixes (W17, PG25).
Build & maintain loop hardware: CDUs, chillers, gear pumps, flow-control valves, quick-disconnects, reservoir degassers, rack manifolds, instrumentation harnesses.
Develop DOE for fan speed optimization, acoustics and vibration vs. airflow in OCP / EIA Rack form factors.
Publish clear test reports, BoM traceability, and calibration records for internal and customer audits.
Interface daily with mechanical, PCB, firmware, and data-center ops teams; provide “go / no-go” on thermal risk.

Ideal candidates have/are:

B.S. + 5 yrs (or M.S. + 3 yrs) in Mechanical Engineering, Thermal Sciences, or a related field.
Proven ownership of data-center or server-class thermal tests (air and liquid).
Hands-on proficiency with thermocouples, RTDs, flow & pressure sensors, DAQ scripting (Python/LabVIEW).
Working knowledge of heat transfer fundamentals (conduction, forced convection, boiling avoidance, single/ two phase heat transfer, immersion cooling) and how to translate them into repeatable test methods.
Experience measuring pressure drop, flow balance, pump head and calculating loop energy balance.
Solid CFD/FEA skills in FloTHERM for test-correlation and quick “what-if” validation.
Ability to read P&ID schematics, select valves/hoses/QDs, and enforce safety / EHS protocols around glycol-water systems.

Preferred Qualifications

OCP ORv3 / ASHRAE TC 9.9 familiarity.
Exposure to fan PWM control, tach feedback, and fan acoustics.
Direct experience with major CDU vendors/ CM at rack level thermal testing and RDHX

Attributes of a Groqster:

Humility - Egos are checked at the door
Collaborative & Team Savvy - We make up the smartest person in the room, together
Growth & Giver Mindset - Learn it all versus know it all, we share knowledge generously
Curious & Innovative - Take a creative approach to projects, problems, and design
Passion, Grit, & Boldness - no limit thinking, fueling informed risk taking

If this sounds like you, we’d love to hear from you!

Compensation: At Groq, a competitive base salary is part of our comprehensive compensation package, which includes equity and benefits. For this role, the base salary range is $169,915 to $199,900, determined by your skills, qualifications, experience and internal benchmarks.

Groq is an Equal Opportunity Employer. We are committed to creating an inclusive environment for all employees and applicants. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex (including gender identity, sexual orientation, and pregnancy), age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable law.

Groq complies with all applicable federal, state, and local laws governing nondiscrimination in employment. We do not tolerate discrimination or harassment based on any protected characteristic.

Groq is committed to working with and providing reasonable accommodations to qualified individuals with physical or mental disabilities. If you require a reasonable accommodation to complete an application or to participate in the hiring process, please contact us at talent@groq.com. This contact is for accommodation requests only, which will be considered on a case-by-case basis.

All offers of employment are contingent upon verification of the applicant’s identity and employment authorization in accordance with federal law.

Groq encourages people with criminal record histories to apply for employment, and values diverse experiences, including prior contact with the criminal legal system. To that end, Groq welcomes such applicants in accordance with the California Fair Chance Act, Los Angeles City Fair Chance Act Ordinance, Los Angeles County Fair Chance Act Ordinance, and San Francisco Fair Chance Act Ordinance. Philadelphia applicants can review information pertaining to Philadelphia’s Fair Criminal Record Screening Standards Ordinance here: https://www.phila.gov/documents/fair-chance-hiring-law-poster.

Ready to apply?

Powered by

First name *

Last name *

Email *

LinkedIn URL *

Phone number *

Location *

Resume *

Click to upload or drag and drop here

Website

Do you currently require, or will you require in the future, sponsorship for an employment visa (e.g., H-1B or similar) to legally work for our company in the country where this role is based? *

Worth Authorization

Do you want to know what Groq is up to? *

We're excited to get to know you! Here's your chance to get to know Groq. Select "Yes" if you would like to receive company updates from us.
By signing up you agree with Groq’s privacy policy.

No

Yes

Do you currently require, or will you require in the future, sponsorship for an employment visa (e.g., H-1B or similar) to legally work for our company in the country where this role is based? *

No

Yes

Voluntary Self-Identification

To comply with government reporting requirements, we invite candidates to participate in the self-identification survey below. Your completion of this form is entirely optional, and your decision will neither influence the hiring process nor any subsequent stages. Any information you choose to share will be kept confidential and stored in a secure file. As outlined in our Equal Employment Opportunity policy, we uphold a commitment to non-discrimination based on any protected group status specified in applicable laws.

Gender

Race

Race and ethnicity descriptions

Voluntary Self-Identification of Veteran Status

VEVRAA requires Government contractors to take affirmative action to employ and advance in employment protected veterans. To help us measure the effectiveness of our outreach and recruitment efforts of veterans, we are asking you to tell us if you are a veteran covered by VEVRAA. If you believe that you belong to any of the following categories of protected veterans, please indicate by making the appropriate selection.

Veteran status descriptions

Disabled veteran

A veteran who served on active duty in the U.S. military and is entitled to disability compensation (or who but for the receipt of military retired pay would be entitled to disability compensation) under laws administered by the Secretary of Veterans Affairs, or was discharged or released from active duty because of a service-connected disability

Recently separated veteran

A veteran separated during the three-year period beginning on the date of the veteran's discharge or release from active duty in the U.S military, ground, naval, or air service

Active duty wartime or campaign badge veteran

A veteran who served on active duty in the U.S. military during a war, or in a campaign or expedition for which a campaign badge was authorized under the laws administered by the Department of Defense

Armed Forces service medal veteran

A veteran who, while serving on active duty in the U.S. military ground, naval, or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985 (61 Fed. Reg. 1209).

Veteran status

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.

By applying you agree to Gem's terms and privacy policy.

Save your info to apply to other roles faster & help employers reach you.

Req ID: 550

Apply now

See more open positions at Groq

Privacy policy Cookie policy