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Added 6 mins ago
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Amphenol Communications Solutions

Thermal Engineer –Liquid Cooling

Markham, ON, Canada

Pay: The base salary range for this position is $85,000- $140,000 annually.
Job type: Full-time
Apply by: Oct 29, 2026
Experience: At least 4 years of industry experience in active and advanced cooling technologies, including cold plates, heat exchangers, heat pipes, or vapor chambers. (Must Have)
Posting language: English
Posted: Sep 29, 2026

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Original job description

Location: Markham, ON Department: Engineering Posted: 9/29/2026 Location Name: HSIO-Markham

Wage Max: 140,000.00 Wage Min: 85,000.00

Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, is a world leader in interconnect solutions for Communications, Mobile, RF, Optics, and Commercial electronics markets. Amphenol Corporation is one of the world’s largest designers and manufacturers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial and high-speed specialty cable. ACS has an expansive global presence in research and development, manufacturing, and sales. We design and manufacture a wide range of innovative connectors as well as cable assemblies for diverse applications including server, storage, data center, mobile, RF, networking, industrial, business equipment, and automotive.

Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, is a world leader in interconnect solutions for Communications, Mobile, RF, Optics, and Commercial electronics markets. Amphenol Corporation is one of the world's largest designers and manufacturers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial and high-speed specialty cable. ACS has an expansive global presence in research and development, manufacturing, and sales. We design and manufacture a wide range of innovative connectors as well as cable assemblies for diverse applications including server, storage, data center, mobile, RF, networking, industrial, business equipment, and automotive.

Position: Thermal Engineer – Liquid Cooling

Location: Markham, ON

New Position

Position Overview

We are seeking a highly motivated and experienced Thermal Engineer – Liquid Cooling to join our Front-End I/O Active Thermal Solutions team. This role focuses on the design, simulation, validation, and optimization of liquid-based active cooling solutions for high-speed interconnect and front-panel I/O systems used in data center and high-performance computing environments.

The ideal candidate will work closely with customers and cross-functional engineering teams to define thermal requirements, develop robust liquid cooling architectures, perform advanced thermal simulations, and validate designs through laboratory testing. This role delivers production-ready thermal solutions that meet performance, reliability, and manufacturability targets.

Key Responsibilities

Design & Development

Architect and develop liquid-cooled cold plates for high-density front-end I/O connector and interconnect applications.
Design and optimize microchannel structures, flow paths, and cold plate geometries to maximize thermal performance while minimizing pressure drop.
Select and integrate materials compatible with high heat flux, corrosion resistance, and long-term reliability in data center environments.
Collaborate with connector and mechanical design teams to ensure mechanical integration, tolerance alignment, and manufacturability.

Customer Engagement

Work directly with customers to gather thermal boundary conditions, system constraints, and performance requirements.
Translate customer needs into thermal simulation strategies, validation plans, and design trade-offs.
Serve as a technical interface to explain thermal concepts, design decisions, and test results.

Thermal Simulation & Analysis

Develop and execute CFD thermal models using tools such as ANSYS Icepak, FloTHERM, or equivalent.
Analyze temperature distribution, heat dissipation, and fluid flow behavior in liquid cooled front-end I/O environments.
Perform sensitivity studies and optimization analyses to ensure designs meet performance margins.

Experimental Validation

Partner with lab and test engineers to plan and conduct thermal performance and flow validation testing.
Correlate experimental data with simulation results to validate and refine models.
Conduct root-cause analysis and iterative design improvements to resolve thermal issues.

Optimization & Technical Reporting

Optimize thermal designs considering performance, cost, reliability, and manufacturability.
Prepare detailed technical reports and presentations summarizing simulations, test results, and design recommendations.
Present optimized solutions and findings to customers and internal stakeholders.

Qualifications

Education & Experience

Bachelor's or Master's degree in Mechanical Engineering, Thermal Engineering, or a related field.
Strong experience in thermal design or analysis for electronic systems, interconnects, or data center hardware.

Technical Skills

At least 4 years of industry experience in active and advanced cooling technologies, including cold plates, heat exchangers, heat pipes, or vapor chambers. (Must Have)
Experience developing liquid cooling solutions for high-speed connectors, modules, or front-panel I/O systems. (Must Have)
Strong proficiency with CFD and thermal simulation tools (ANSYS Icepak, FloTHERM, or similar). (Must Have)
Experience with thermal instrumentation and data acquisition, including thermocouples, flow sensors, and IR imaging.
Experience with CAD tools such as SolidWorks, Creo, or equivalent. (Must Have)
Solid understanding of heat transfer, fluid dynamics, and electronic packaging.
Excellent written and verbal communication skills for customer-facing technical discussions.

Preferred Qualifications

Understanding of electrical, mechanical, and thermal trade-offs in system-level integration.
Experience with Design of Experiments (DOE) or statistical optimization methods.
Strong analytical, problem-solving, and troubleshooting skills.
Ability to manage multiple projects in a fast-paced development environment.

Why Work for Us?

Benefits Coverage: Comprehensive health, dental, vision, and travel insurance.
Health Care Spending Account: Additional financial support for health-related expenses.
Pension Plan: Company-supported pension scheme.
Incentive Plans: Progressive employee incentive plans.
Talent Development: Opportunities for professional growth and development.
Company Recreation Club: Participate in fun activities, draws with exciting prizes, summer BBQs, holiday parties, and more!

The base salary range for this position is $85,000- $140,000 annually. In determining the rate of pay, Amphenol considers a variety of nondiscriminatory factors, including but not limited to geographic location, relevant industry experience, qualifications, skills, and education. It would be rare for an individual to be hired at or near the top of the range for a given role. Base salary is one facet of Amphenol's total rewards package which includes participation in our comprehensive benefits program with medical, dental, and vision benefits, vacation, sick leave, paid holidays, life insurance, short/long term disability, and membership in our Defined Contribution Pension Plan.

Amphenol Corporation is proud of our reputation as an excellent employer. Our main focus is to provide the highest level of support and responsiveness to both our employees and our customers. Amphenol Corporation offers the opportunity for career growth within a global organization. We believe that Amphenol Corporation is unique in that every employee, regardless of his or her position, has the ability to positively impact the business.

Amphenol Canada is committed to developing inclusive, barrier-free selection processes and work environments. If contacted in relation to a job opportunity, you should advise Amphenol, in a timely fashion, of the accommodation measures which must be taken to enable you to be assessed in a fair and equitable manner. Information received relating to accommodation measures will be addressed confidentially.

For additional company information please visit our website at https://www.amphenol-cs.com/

Amphenol Corporation is proud of our reputation as an excellent employer. Our focus is to provide the highest level of support and responsiveness to both our employees and our customers, the world's largest technology companies. Amphenol Corporation offers the opportunity for career growth within a global organization. We believe that Amphenol Corporation is unique in that every employee, regardless of his or her position, has the ability to positively impact the business.

Amphenol is an “Equal Opportunity Employer” - Minority/Female/Disabled/Veteran/Sexual Orientation/Gender Identity/National Origin. For additional company information please visit our website at https://www.amphenol-cs.com/

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More about this job

Responsibilities

Design, simulate, validate, and optimize liquid-cooled cold plates and active cooling solutions for high-speed front-panel I/O systems. Work with customers and cross-functional teams to define requirements, conduct CFD analysis and laboratory testing, resolve thermal issues, and report design recommendations.

Requirements

Requires a bachelor's or master's degree in Mechanical Engineering, Thermal Engineering, or a related field, along with at least four years of industry experience in active cooling technologies. Candidates must have experience developing liquid cooling solutions for high-speed connectors or I/O systems, proficiency with CFD tools and CAD software, and a strong foundation in heat transfer, fluid dynamics, and electronic packaging.

Skills

Liquid Cooling Design
Cold Plate Design
CFD Simulation
Thermal Analysis
ANSYS Icepak
FloTHERM
Heat Transfer
Fluid Dynamics
Electronic Packaging
Thermal Instrumentation
Data Acquisition
SolidWorks
Creo
Design of Experiments
Customer Engagement
Root-Cause Analysis

Benefits

Health Insurance
Dental Insurance
Vision Insurance
Travel Insurance
Health Care Spending Account
Employee Incentive Plans
Professional Development
Life Insurance
Short-Term Disability Insurance
Long-Term Disability Insurance
Paid Vacation
Paid Sick Leave
Paid Holidays

Visa sponsorship

Not detected in the job text

Keywords

Liquid Cooling
Active Cooling
Cold Plates
Microchannels
Heat Exchangers
Heat Pipes
Vapor Chambers
CFD
ANSYS Icepak
FloTHERM
Thermal Simulation
Thermal Validation
Flow Validation
Thermocouples
Flow Sensors
Infrared Imaging
SolidWorks
Creo
Heat Transfer
Fluid Dynamics
Electronic Packaging
High-Speed Interconnects
Front-Panel I/O
Data Centers
High-Performance Computing
Design of Experiments
Statistical Optimization
Root-Cause Analysis
Manufacturability
Corrosion Resistance

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