Wärtsilä Corporation

BESS Thermal Management System Specialist

LocationScarborough, ON

About This Job


BESS Thermal Management System Specialist

Wärtsilä Energy Storage is the leading global energy storage optimizer. Our mission is to deliver integrated energy solutions that build a resilient, intelligent, and flexible energy infrastructure - unlocking the way to an optimized renewable future. By integrating renewables, energy management technology, and storage with traditional energy resources, we reinvent clean energy production from the largest and most complex grids to the most remote and essential microgrids. We play a key role in Wärtsilä’s vision towards a 100% renewable energy future through flexibility, reliability, and integration and a more sustainable world for us all.


As a Senior Battery Thermal Management System (BTMS) Engineering Specialist, you will play a pivotal role in our company’s mission to develop cutting-edge power conversion systems. You’ll collaborate closely with cross-functional teams, including thermal, electrical, and mechanical engineers, product managers, and R&D specialists. Your expertise will drive innovation, enhance system performance, and contribute to our organization’s success. Candidate must be located in Toronto, Canada.



Responsibilities:

Analyze and compare different battery cells and provide detailed analyses based on cell type, material, performance, design, and characteristic
Collaborate with other labs and research institutes regarding current design concepts, materials, and future products
Develop and maintain Battery Energy Storage System sizing tool
Lead the technical discuss and negotiation with different cell vendors
Support designing and configuring the battery module and cell level BMS
Evaluate product and system designs and configurations for compliance to relevant industry standards
Develop test plans for battery cells and execute them in lab environment ensuring compliance to functional and QA requirements
Participate in field testing and commissioning activities by developing test plans and collaborating with the field engineering team to execute and troubleshoot as needed
Develop product documentation such as manuals, application notes, and technical specifications
Collaborate with the larger team to optimize requirement and needs
Drive continues improvement
Support marketing research and supply chain initiatives
Collaborate in a team environment and/or take charge of opportunities to develop optimal solutions for customers and product development programs.
Design and optimize thermal management systems for containerized Battery Energy Storage Systems (BESS) solutions
Collaborate on thermal simulation models using CFD and other thermal analysis tools to predict system performance under various operating conditions
Analyze and compare different cooling technologies and provide detailed analyses based on performance, cost, efficiency, and reliability
Lead technical discussions and negotiations with thermal management component vendors and suppliers
Collaborate with electrical, mechanical, and control systems teams to ensure integrated thermal solutions
Evaluate thermal system designs and configurations for compliance to relevant industry standards and safety requirements
Act as the primary technical interface with cooling system suppliers and evaluate new supplier technologies
Develop test plans for thermal management systems and support their execution with lab and in field environments
Research and implement innovative cooling technologies including liquid cooling, phase change materials, and advanced thermal interface materials
Develop product documentation such as thermal design specifications, application notes, and technical manuals
Support BMS integration for thermal monitoring and control systems
Drive continuous improvement of existing thermal management solutions
Support marketing research and supply chain initiatives for thermal components
Collaborate in a team environment and/or take charge of opportunities to develop optimal thermal solutions for customers and product development programs



Minimum Experience and Educational Requirements:

MS degree in Mechanical Engineering, Thermal Engineering, or related field required; PhD desired
10+ years of thermal management systems experience focused on battery or power electronics cooling applications
Familiar with thermal management system design and manufacturing processes
Experience analyzing and comparing different cooling technologies and thermal interface materials
Knowledgeable on thermal testing requirements and equipment for battery systems
Proficiency with CFD software (ANSYS Fluent, Star-CCM+, or similar) and thermal modeling tools
Experience with CAD software (AutoCAD, SolidWorks, or similar) for thermal system design
Able to represent the company in technical meetings with vendors, customers, and other government authorities
Strong understanding of battery thermal characteristics and thermal management industry requirements
Knowledge of heat transfer principles, HVAC systems, and cooling technologies
Maintain positive working relationships with customers, peers, vendors, shop and office in a fast-paced environment
Able to work with global team members and vendors in different time zones
Familiar with simulation tools such as Matlab/Simulink for thermal system modeling
Understanding of international standards (UL, IEC, UN38.3) related to battery thermal safety
Flexible and willing to adapt and learn new thermal management technologies
Excellent communication and documentation skills
Experience with phase change materials and advanced cooling technologies is a plus
Team player attitude internally and externally
Willing to travel up to 20% of the time



Last application date: 11/06/2025



Why you and us:

You will be a part of a global organization with local presence and work in an exciting and dynamic working environment with highly motivated and skilled co-workers. We offer interesting and challenging work tasks, as well as personal and professional development in a great team. If you feel excited by being a part of this working environment and think your personal skills and qualities match the job requirements, we look forward to receiving your job application. At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.


We are not accepting unsolicited submissions from 3rd party recruitment agencies.

Successful applicant must be authorized to work in the Canada without sponsorship. We look forward to hearing from you. Qualified candidates must apply online: https://www.wartsila.com/careers


Individuals hired for positions that require on-site customer interactions and/or in-person travel may be required to be fully vaccinated against COVID-19 or other country-specific vaccinations, unless otherwise prohibited by law. Wärtsilä North America values our employees. We offer a competitive salary and comprehensive benefits package. Wärtsilä North America is an EOE/AA employer.


Effective January 2025, Wartsila companies in the USA will implement a new hybrid work model. Most employees who live within 40 miles of an office will work 2 days per week in office. This model will provide our employees the flexibility of working from home, while also providing the benefits of in-person collaboration twice a week. We will be happy to provide more information during your interview process.



#esocareers


#wärtsiläenergy


#LI-Hybrid

Similar Jobs

company-logo

BESS Thermal Management System Specialist

Wärtsilä Corporation
 
Scarborough, ON
3 days ago
company-logo

BESS Engineer

Intersect Power
Job Typefull_time
 
11 days ago
company-logo

BESS Technician

Spark Power Corp
Job TypeFull-time
 
Angleton, TX
about 1 month ago
company-logo

Engineer, Thermal Systems

Hyliion
Job TypeFull-time
 
Cincinnati, OH
about 1 month ago
company-logo

Senior Manager, BESS Development

esVolta, LP
Job Typefull_time
 
Newport Beach, CA
4 days ago
company-logo

BESS Project Manager

Westinghouse Electric Company, LLC
 
Massachusetts, MA
17 days ago
company-logo

BESS Project Manager

Westinghouse Electric Company
Job TypeFull-time
 
Middlesex County, MA
17 days ago
company-logo

Sr. Thermal Performance Engineer

ENTRUST Solutions Group
Job TypeFull-time
 
Greenville, SC
17 days ago
company-logo

BESS Electrical Engineer - 17703

GTTSi
Job TypeContract
 
Juno Beach, FL
25 days ago
company-logo

Electrical Engineer, BESS Project Development

Sparkfund
Job Typefull_time
Salary
$140000 - $170000
Minneapolis, MN
2 days ago
SA

Thermal Processor Operator/Technician

Separation and Recovery Systems
Job TypeFull-time
Salary
$41600 - $52000
West Deptford, NJ
10 days ago
company-logo

Battery Energy Storage Systems (BESS) Technician 3)

Aggreko
Job TypeFull-time
 
Pearland, TX
18 days ago
company-logo

Electrical Superintendent - Energy Storage (BESS)

Primoris Services Corporation
Job TypeFull-time
Salary
$110000 - $130000
Houston, TX
23 days ago
company-logo

BESS High Voltage Technician

EDP Renewables
Job TypeFull-time
Salary
$50720 - $63400
Coolidge, AZ
11 days ago
company-logo

BESS Technician Lead

Koch Engineered Solutions
Job TypeFull-time
 
Texas, United States
22 days ago
company-logo

BESS Engineer / Senior Engineer (Richmond, VA)

Dominion Energy
 
Richmond, VA
about 1 month ago
company-logo

BEV Maintenance Technician

Sandvik
Job Typefull_time
 
Salt Lake City, UT
3 days ago
company-logo

Battery Energy Storage System (BESS) & Load Bank Technician 2

Aggreko
Job Typefull_time
 
Baltimore, MD
4 days ago
company-logo

Principal Specialist - IT ETRM Systems Dev

Energy Transfer
Job Typefull_time
 
Houston, TX
8 days ago
company-logo

Development Manager, BESS East Region

RWE
Job Typefull_time
 
Chicago, IL
8 days ago

Trending Jobs

company-logo

Assistant General Manager, Navy Yard Electric Utility

Job TypeFull-time
Salary
$108000 - $108000
Philadelphia, Pennsylvania
24 days ago
company-logo

Electrical Engineer

Dudley Staffing
Job TypeFull-time
Salary
$55 - $75
Canonsburg, Pennsylvania
4 months ago
company-logo

Division Order Analyst

Job TypeFull-time
 
Dallas, Texas
16 days ago
company-logo

Accounts Payable Clerk

Job TypeFull-time
Salary
$65000 - $65000
Dallas, Texas
26 days ago
DM

Apprentice Lineman

Delta Montrose Electric Association
Job TypeFull-time
 
Montrose, CO
29 days ago
company-logo

contract landman

HPS Oil & Gas Properties
Job TypeFull-time
 
Lafayette, Louisiana
3 months ago
company-logo

Attorney

Toeppich & Associates
Job TypeFull-time
 
Houston, Texas
about 1 year ago
company-logo

Oil and Gas Land and Title Analyst - SAM Associate II

Bank of America
Job TypeFull-time
 
Dallas, Texas
about 2 months ago
company-logo

Senior Landman

Greenlake Energy
Job TypeFull-time
 
Austin, Texas
about 1 month ago
company-logo

Foundry Professionals

Penticton Foundry
Job TypeFull-time
 
British Columbia, Canada
17 days ago
company-logo

Apprentice Lineman

Southern Pine Electric
Job TypeFull-time
 
Brandon, MS
about 1 month ago
company-logo

Contracts Administrator

Third Coast
Job TypeFull-time
Salary
$70000 - $85000
Houston, Texas
30 days ago
company-logo

Electrical Designer

Dudley Staffing
Job TypeFull-time
Salary
$45 - $60
Canonsburg, Pennsylvania
4 months ago
company-logo

Title Landman

Sustain Land Services
Job TypeFull-time
 
Norman, Oklahoma
2 months ago
company-logo

Deckhand

Ballard Marine Construction
Job TypeFull-time
 
Bradenton, FL
19 days ago
company-logo

Apprentice Lineman

N Line Electric
Job TypeFull-time
Salary
$68640 - $106080
Longmont, CO
12 days ago
company-logo

HSE Operations Manager

ProPetro Services, Inc
Job Typefull_time
 
Midland, TX
1 day ago
PS

Screen Printing Operator

Providence screen printing
Job TypePart-time
Salary
$39520 - $41600
East Providence, RI
24 days ago
company-logo

Apprentice / Lineman

Saber Power Services
Job TypeFull-time
 
Rosharon, TX
22 days ago
company-logo

Manufacturing Technician Core Finishing 2nd Shift

Siemens Energy
Job TypeFull-time
 
Gibsonton, FL
25 days ago