Advanced knowledge of electrical systems jobs

Service & Warranty Technician III

AAON, Inc. · Posted Jul 27, 2026

Redmond, Oregon, United States
On-site
Full-time · Senior
6+ years

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The Field Service Technician III is responsible for providing advanced technical support, diagnostics, installation, maintenance, and repair of HVAC equipment at customer locations.

Compensation

We offer competitive compensation and robust benefits to all full-time team members, including: Tuition reimbursement, Paid time-off, Paid holidays, Healthcare insurance & Health Savings Accounts, Profit sharing or Annual Incentive Plan Bonus, Premium 401(k) plan

Responsibilities

Perform advanced installation, startup, maintenance, troubleshooting, and repair of HVAC systems and related equipment
Diagnose and resolve complex mechanical, electrical, refrigeration, and controls-related issues with minimal supervision
Serve as a technical resource for Field Service Technicians and internal support teams
Lead commissioning and startup activities for new equipment installations and major system upgrades
Conduct advanced system performance evaluations and recommend corrective actions to optimize equipment operation

Requirements

High school diploma or general education degree (GED)
Associate degree
Technical degree
Vocational training in HVAC, electrical systems, mechanical systems, or a related discipline
Nice to have: EPA Universal Certification

Skills

Advanced knowledge of HVAC systems

Maintenance Technician II (Sun-Thurs/Night Shift)

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Compensation

Responsibilities

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Service & Warranty Technician III

Compensation

Responsibilities

Requirements

Skills

Benefits