Test Technician (50833) at MAS HVAC in Maple Grove, MN

Summary: MAS HVAC creates custom-engineered thermal management solutions, and they are seeking a highly skilled Test Technician. This role involves supporting the testing, validation, and continuous improvement of advanced liquid-cooling systems used in high-performance data center and industrial environments.

Responsibilities:
- Set up and operate liquid‑cooling test loops, including pumps, heat‑exchange components, valves, sensors, filtration systems, and fluid handling equipment
- Execute test procedures developed by engineering, ensuring correct configuration, instrumentation placement, flow control, and environmental conditions
- Monitor system behavior during testing, including thermal performance, pressure stability, flow characteristics, and leak detection
- Collect and record test measurements with high accuracy using calibrated temperature, pressure, and flow instrumentation
- Perform routine calibration checks on lab instrumentation and maintain traceability records
- Validate sensor accuracy prior to testing and document any deviations or corrections
- Ensure that data captured during testing meets precision and repeatability requirements
- Prepare coolant mixtures, manage fluid transfers, and maintain cleanliness and quality of liquids used in testing
- Perform system flushing, debubbling, filtering, and contamination control tasks
- Conduct regular maintenance on pumps, hoses, valves, fittings, and measurement hardware to ensure consistent performance
- Assemble, adjust, and reconfigure test fixtures, piping arrangements, brackets, and test hardware as needed for various test campaigns
- Assist engineers in installing prototype or production components into test setups
- Support safe operation of pressurized systems, chilled loops, rotating equipment, and electrical control panels
- Create accurate test logs, configuration notes, and results summaries for engineering review
- Update standard operating procedures, work instructions, and lab checklists
- Communicate observations, anomalies, or equipment issues clearly and promptly
- Work closely with Mechanical, Electrical/Controls, and Systems Engineering teams to support product validation and development cycles
- Suggest improvements to test methods, lab workflows, or equipment setup to enhance safety, efficiency, or data quality
- Support external partners, contractors, or vendors during lab equipment installations or modifications

Required Qualifications:
- Associate degree in Mechanical Engineering Technology, Mechatronics, HVAC Technology, or similar field; or equivalent hands‑on experience
- 1–3 years of experience in a test lab, R&D environment, or fluid‑handling system setting
- Strong mechanical aptitude with experience working on pumps, piping, fittings, valves, and fluid systems
- Familiarity with instrumentation such as pressure transducers, temperature sensors, flowmeters, and related DAQ equipment
- Understanding of basic thermodynamics, heat transfer, and fluid mechanics principles
- Ability to read engineering drawings, P&IDs, and wiring diagrams

Preferred Qualifications:
- Experience with thermal or liquid‑cooling systems in data center, electronics cooling, or HVAC applications
- Experience with DAQ platforms (LabVIEW, PLC‑based systems, or similar)
- Knowledge of glycol‑based coolants, fluid cleanliness, filtration, and conditioning
- Basic electrical safety knowledge related to control panels and instrumentation wiring

Required Skills: Liquid-cooling test loop operation, Pump and valve maintenance, Heat-exchange component handling, Pressure transducer instrumentation, Temperature sensor instrumentation, Flowmeter instrumentation, Data acquisition (DAQ) equipment, Thermodynamics, Heat transfer, Fluid mechanics, Engineering drawing interpretation, P&ID reading, Wiring diagram reading, Thermal and liquid-cooling systems, LabVIEW, PLC-based systems, Glycol-based coolant knowledge, Fluid cleanliness and filtration, Electrical safety for control panels

Benefits: Medical, vision, and dental plans, Short-term and long-term disability insurance, Group term life insurance coverage, HSA, FSA, and Dependent Care plans available, 8 paid holidays, 4 floating holidays, and generous PTO policy, 401k matching, Company paid events, Annual safety shoe allowance, Education assistance program