HVAC Maintenance Technician — EPA 608 Certified

Sumitomo Electric; New Berlin (WI); On-site; USD 47,000 - 63,000; Full time

Benefits offered by this job

Outstanding Medical, Dental and Vision

Paid Vacation and Holidays

401(k) Match up to 4%

Company Paid Short-Term and Long-Term 

Company Paid Basic Life Insurance

Many additional benefits available

Job summary

Sumitomo Electric Carbide Manufacturing, Inc. seeks a Commercial/Industrial HVAC Technician to maintain and optimize plant HVAC, climate control, makeup air, and cooling systems, ensuring reliable operation and uninterrupted manufacturing.

The role requires EPA 608 certification and 3–5 years of hands-on HVAC experience. The ideal candidate will work on rooftop units, chillers, and controls, perform leak testing per EPA regulations, and collaborate with the maintenance team on building and

Qualifications

• Active EPA Section 608 Universal Certification.
• State and local HVAC license preferred.
• Basic understanding of PLC controls.
• 3-5 years hands-on experience in commercial HVAC service and maintenance, including RTUs.
• Strong electrical troubleshooting abilities (reading schematics, 480V 3-phase power, control circuits, VFDs).
• Ability to lift 50 pounds.
• Previous experience with CNC grinding equipment a plus.

Responsibilities

• Preventative maintenance, diagnostics and repairs on commercial rooftop units and chillers.
• Monitor and maintain climate and ventilation controls throughout the facility.
• Perform recovery, evacuation, leak testing, and charging in EPA Section 608 compliance.
• Collaborate with maintenance team on general building maintenance and machine repair.

Skills

HVAC troubleshooting

Electrical troubleshooting

Read schematics

Physical stamina

Education

EPA Section 608 Universal Certification

State/local HVAC license (preferred)

Tools

PLC controls

VFDs

480V 3-phase power

Reading schematics

Job description

Sumitomo Electric Carbide Manufacturing, Inc. seeks a Commercial/Industrial HVAC Technician to maintain and optimize plant HVAC, climate control, makeup air, and cooling systems, ensuring reliable operation and uninterrupted manufacturing.

The role requires EPA 608 certification and 3–5 years of hands-on HVAC experience. The ideal candidate will work on rooftop units, chillers, and controls, perform leak testing per EPA regulations, and collaborate with the maintenance team on building and