Rex Gu
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Rex Gu Email & Phone Number

Staff Dynamics Engineer | Controls Calibration at Rivian
Location: Irvine, California, United States 14 work roles 3 schools
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✓ Verified Jul 2026 3 data sources Profile completeness 86%

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Current company
Role
Staff Dynamics Engineer | Controls Calibration
Location
Irvine, California, United States
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Who is Rex Gu? Overview

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Quick answer

Rex Gu is listed as Staff Dynamics Engineer | Controls Calibration at Rivian, a with 2511 employees, based in Irvine, California, United States. AeroLeads shows a matched LinkedIn profile for Rex Gu.

Rex Gu previously worked as Senior Dynamics Engineer | Brake Controls at Rivian and Senior Test Engineer | Aero-thermal Systems at Rivian. Rex Gu holds Bachelor Of Science (Bs), Mechanical Engineering from University Of Illinois At Urbana-Champaign.

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Rivian

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About Rex Gu

Rex Gu is a Staff Dynamics Engineer | Controls Calibration at Rivian. They is proficient in French and Chinese. Colleagues describe them as "I have worked with Rex for over a year at Rivian. I have been on-test with Rex at the climatic wind tunnel, and have seen him present and lead technical forums. Rex is really a pleasure to work with. He is highly competent and skilled technically, he is a clear communicator, and he is diligent at his documentation and recording. I think it was pretty widely known, that if you had Rex on your test-trip, the test was going to go OK. Rex has a keen mind, and an open personality that makes him very easy to work with. I would recommend Rex in any role he selects as his passion."

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Rex Gu's current company

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Rivian
Rivian
Staff Dynamics Engineer | Controls Calibration
irvine, california, united states
Website
Employees
2511
AeroLeads page
14 roles

Rex Gu work experience

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Staff Dynamics Engineer | Controls Calibration

Irvine, Ca, Us

Senior Dynamics Engineer | Brake Controls

Irvine, California, United States

Senior Test Engineer | Aero-Thermal Systems

Irvine, California, United States

- Responsible for vehicle test planning, execution, and reporting on R1T and R1S at all pre-production stages, with a focus on aero-thermal hardware, controls, and software.- Manage vehicle-level propulsion conditioning and HVAC comfort requirements, leading end-to-end verification/evaluation of thermal performance.- Escalate, root cause, and track hardware/software failures throughout product lifecycle.- Responsible for selection, installation, calibration, and troubleshooting of instrumentation (thermocouples, pressure transducers, turbine flowmeters, solar pyranometers) and data acquisition systems.- Plan, evaluate, and report benchmark competitive vehicle thermal architecture and performance to refine future program targets and attributes.- Harmonize vehicle attributes, requirements, and SAE standards into cohesive test standards and procedures to improve data traceability and consistency.- Participate in university-relations recruitment efforts at SAE engineering design competitions.

Jul 2021 - Oct 2023

Propulsion Engineer Ii

Kent, Washington, United States

Mar 2021 - Jul 2021

Propulsion Engineer

Kent, Washington, United States

- Responsible for pneumatically actuated, cryogenic-compatible valve with mission critical application on BE-3U rocket engine. Completed in-depth design of valve components, and responsible for structural analysis, CAD definition, engineering drawings, and procurement.- Acting valves responsible for BE-4 engine hotfire tests. Responsible for hotfire sequence reviews, valve checkouts, troubleshooting, and data reviews. Critical involvement in engine development and qualification campaign, communicating schedule demand and program needs.- Founding member of young professionals group, helping drive organizational change to create development opportunities for early career employees. Hosted multiple panels with >100 attendees between company executives and employees to promote mentorship.

Oct 2019 - Mar 2021

New Graduate Rotation Engineer

Kent, Washington, United States

- Completed rotations across New Glenn vehicle and Engines business units developing diverse design, analysis, and testing experience.- Design and tested subscale two-phase liquid-gaseous propellant fluid expulsion system for New Glenn 1st stage rocket. Took clean sheet design to manufactured prototype in 4 months.- Designed, released, and tested 3D printed torch igniter for BE-4 engine.- Completed initial ideation, design, and structural analysis of New Glenn 1st stage reaction control thruster integration system.

Aug 2018 - Oct 2019

Test Facilities

Culberson County, Texas

- Designed and implemented remote heated nitrogen purging system for the BE-3 engine test stand, increasing test cadence and reducing post-test facility downtime- Ran and participated in engine test facility operations as test console operator- Redesigned internal test site wiki to improve information accessibility

Sep 2017 - Dec 2017

Product Development | Srt, Exterior/Interior

Auburn Hills, Michigan

- Responsible for engineering design and supplier sourcing of MY19 R/T WB Challenger front grille badging- Conducted stone impingement testing of new Challenger side-sill endcaps to prevent premature chalking- Determined and improved flare panel gap issues for Challenger Widebody and Demon fender flares- Conducted root cause analyses of Challenger seat delete panels and front fascia assembly brackets

May 2017 - Aug 2017

President | Fomula Sae

Urbana-Champaign, Illinois Area

- Responsible for growing and managing over $250,000 in yearly budget and sponsorships for all team related activities.- Responsible for weekly meetings, competition logistics, and for coordinating outreach events.- Enforced teamwide project deadlines to ensure vehicle completion and testing before competition.- Finished 2nd out of 120 teams and 1st out of 80 teams by presenting and creating business presentation for a panel of industry judges during competition.

Aug 2015 - May 2017

Product Development | Engine Systems, Cold End Exhaust

Auburn Hills, Michigan

- Determined target clearance for light duty truck exhaust assembly to improve NVH and durability issues.- Implemented new joint selection for next generation truck exhaust assembly.- Validated new exhaust bracket design for next generation Jeep Wrangler by incorporating new assembly aid design and by gaining feedback from assembly plants, resulting in consistent assembly process.

May 2016 - Aug 2016

Co-Founder

Muscle Metrics

Urbana-Champaign, Illinois Area

-Received over $10,000 in University-based startup funds and work space-1 of 13 teams in University of Illinois Startup Accelerator-Spearheaded prototype production and development-Conducted design studies to improve weight savings of hardware prototype by 50%-Worked with Illinois football program strength coach to further develop hardware-Advised by Avant Credit Head of Design, Bruce Ackerman-Conceptualized smartphone-based app/hardware module tracking weight-lifting stats

Sep 2014 - May 2016

Intern

Amiens Area, France

-Worked in CEPN (Centre d’Etude des Produits Nouveaux), in research and design of dry and wet dual-clutch design.-Tested and worked in product revision and quality control of clutch supports and hubs.-Created mathematical model for new pendulum design and frequency correction.-Translated engineering documents from English to French.-Created invoice and test report inventory system.

Jun 2014 - Aug 2014

Intern

-Auditioned for CAC’s High-School Internship program.-Learned with members of Chicago A Cappella in organizing events.-Performed with members of CAC for fundraisers.

Dec 2011 - May 2012

Tutor

Greater Chicago Area

-Tutored middle school students in subjects of math, reading, writing, and basic computer skills 2x/week.

Oct 2010 - Mar 2011
Team & coworkers

Colleagues at Rivian

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3 education records

Rex Gu education

FAQ

Frequently asked questions about Rex Gu

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What company does Rex Gu work for?

Rex Gu works for Rivian.

What is Rex Gu's role at Rivian?

Rex Gu is listed as Staff Dynamics Engineer | Controls Calibration at Rivian.

Where is Rex Gu based?

Rex Gu is based in Irvine, California, United States while working with Rivian.

What companies has Rex Gu worked for?

Rex Gu has worked for Rivian, Blue Origin, Fca Fiat Chrysler Automobiles, Illini Motorsports, and Muscle Metrics.

Who are Rex Gu's colleagues at Rivian?

Rex Gu's colleagues at Rivian include Matthew Araujo, Vemuri Mrudula, Uroš Vojičić, Amon-Re Sharrieff, and Rocky Mathews.

How can I contact Rex Gu?

You can use AeroLeads to view verified contact signals for Rex Gu at Rivian, including work email, phone, and LinkedIn data when available.

What schools did Rex Gu attend?

Rex Gu holds Bachelor Of Science (Bs), Mechanical Engineering from University Of Illinois At Urbana-Champaign.

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