Job Description

Test Technician – CDU/Electrical

About Coolit Systems Inc.

Founded in Calgary, Alberta in 2001, CoolIT Systems is the leading Direct Liquid Cooling technology provider for data centers, supercomputers, and desktop computers. We design and manufacture solutions used by the largest tech companies globally.

Recognized as one of “The Americas’ Fastest Growing Companies 2023” by Financial Times and honored with the Deloitte Fast 50 Clean Technology award in 2022, as well as the Deloitte Fast 500 distinctions in both 2021 and 2022, CoolIT's rapid growth is capturing global attention.

As demand for generative AI, high performance computing and cloud solutions rapidly expands, there has never been a more exciting time to join our team.

Role

WHAT YOU’LL DO:

CoolIT Systems, Inc. is seeking a full-time Test Technician (CDU/Electrical) for the evening shift. In this role, you will support the testing and qualification of Cooling Distribution Unit (CDU) systems by developing and executing test plans, procedures, and validation protocols. Responsibilities include performing risk assessments, supporting prototype builds, developing test fixtures, integrating products into customer equipment, analyzing test data, and preparing technical reports. You will lead root cause investigations, drive corrective actions, support continuous improvement initiatives, and work hands-on with instrumentation, DAQs, actuators, and embedded systems. This position reports to the Team Lead, CDU Test & Qualification.

Responsibilities:

• Work with the team of test engineers, test specialists and technicians responsible for validation and qualification of Liquid Cooling distribution units and system components.
• Execute comprehensive test strategies and qualification plans to meet internal requirements and customer defined standards.
• Drive qualification of Pump, heat exchanger, PRV’s, electrical components and fluid distribution components across multiple coolants, covering thermal performance, fluid dynamics, reliability, and mechanical integrity.
• Execute stress, reliability, and durability test campaigns including HALT, thermal cycling, temperature stress, pressure, flow, vibration, mechanical load, and leak testing based on risk and field-use conditions.
• Review designs, materials, and specifications to identify technical risks, define mitigation strategies, and recommend design improvements to prevent field failures.
• Perform and assist the test planning and support risk mitigation.
• Detect design and manufacturing defects through structured testing and data analysis; perform root cause analysis and support corrective actions.
• Verify mechanical integrity, sealing performance, and thermal performance for liquid cooling products under realistic operating and stress conditions.
• Collaborate closely with design, reliability, manufacturing, and supplier teams to drive design-for-test and design-for-reliability throughout the product lifecycle.
• Present technical findings and qualification results to internal leadership and external customers; participate in technical reviews and project meetings.

Basic Qualifications:

• BSc. / Diploma in Electrical, Electronics or relevant field.
• Strong knowledge of materials science, thermodynamics, fluid systems, and electro-mechanical components.
• Demonstrated knowledge and experience in statistics and data science or data analysis.
• Hands-on experience with instrumentation (pressure, temperature, flow sensors), DAQs, and actuators.
• Proficiency with bench test tools (oscilloscope, power analyzer, logic analyzer, multimeter, etc.).
• Experience with embedded systems (PLCs, Raspberry Pi, microcontrollers) is an asset.
• Demonstrated ability to perform design reviews, risk assessments, and root cause analysis.
• Familiarity with control algorithms and PID tuning.
• Programming experience (Python and/or C/C++).
• Experience in mechanical hardware design in SolidWorks or equivalent CAD programs is an asset.
• Knowledge of ASTM, ISO, and reliability test standards.

Preferred Qualifications:

• Experience with data center liquid cooling systems.
• Familiarity with Liquid cooling infrastructure.
• Background in Electrical engineering.

Skills:

• Ability to manage multiple test programs, priorities, and timelines effectively.
• Strong leadership and mentoring skills with the ability to guide and develop engineers and technicians.
• Excellent problem-solving and analytical skills, especially for failure analysis and root cause investigations.
• Clear and professional communication skills for presenting technical content to diverse stakeholders.

WHY COOLIT?

We strive to be an employer of choice and as such we believe in rewarding our employees with career and development opportunities that will maintain and strengthen our culture while aligning to our vision and values.

Benefits

We are a company that is full of vibrant, innovative people who love what we do. Our comprehensive benefits package includes:

• Vacation and flex days, and paid company-wide shutdown during the holiday season.
• Comprehensive benefits including Dental, Drugs, Optical, Paramedical and Health Spending. These costs are covered by CoolIT and are enacted from your first day.
• Dress for your day – in a casual yet professional environment.
• Retention rewards like “The Big Coffee Break” that reward tenure with additional vacation time and a monetary bonus.
• Company-funded RRSP contributions to support your long-term financial goals.

We thank every candidate in advance, however, only those selected for an interview will be contacted.

Successful candidates for this position will be required to undergo background checks including criminal records check and education.