[Hiring] Technical Support Specialist III at AAON, Inc.

Job Description:

Summary

Our organization designs and manufactures high-performance commercial HVAC systems serving mission-critical facilities, large-scale commercial campuses, healthcare, data centers, industrial environments, and complex mechanical infrastructures across the United States.

Technical Support within our organization is not transactional support — it is a high-impact engineering function directly tied to revenue protection, warranty cost control, customer retention, and brand equity. This role operates as a technical authority and escalation point, serving as the bridge between field operations, sales, manufacturing, quality, and engineering.

The Technical Support Specialist protects system uptime, mitigates financial exposure, drives resolution strategy during critical failures, and influences long-term product improvement initiatives.

This position carries increasing technical authority, autonomy, and business impact across tier levels.

Tier III – Advance Technical Support Specialist

Primary Focus: Technical authority, strategic oversight, and cross-functional collaboration.

• Serve as escalation point for complex or high-exposure field failures.
• Lead technical resolution strategy during mission-critical downtime events.
• Conduct deep root cause analysis across multi-system integrations.
• Guide service partners on advanced diagnostics and corrective action strategy.
• Mentor Tier I and Tier II team members.
• Participate in product launch readiness reviews and serviceability assessments.

Impact Level:
Protects major accounts, reduces legal and reputational risk, had direct influence on brand reputation, and revenue retention.

Core Responsibilities

• Protects system uptime in mission-critical environments.
• Mitigates financial exposure and warranty risk.
• Safeguards customer relationships and brand equity.
• Interprets wiring diagrams, sequence of operation, and mechanical schematics with precision.
• Guides technicians toward safe, code-compliant, and performance-driven solutions.
• Communicates with authority during high-pressure field events.
• Documents technical findings to improve organizational learning.

Required Skills & Competencies

• Advanced diagnostic expertise in commercial HVAC mechanical and electrical systems.
• Strong working knowledge of refrigeration circuits, airflow dynamics, safety controls, and system integration.
• High-level proficiency interpreting complex wiring diagrams and control schematics.
• Deep understanding of commercial HVAC controls platforms and safety standards.
• Ability to analyze systemic patterns and perform root cause analysis.
• Clear, confident technical communication during live service events.
• Strong professional judgment and customer-facing composure.

Disclaimer:

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. This job description is not an exhaustive list of all functions that the employee may be required to perform, and the employee may be required to perform additional functions. The company reserves the right to revise this job description at any time. The employee must be able to perform the essential functions of the position satisfactorily. If requested, reasonable accommodations may be made to enable employees with disabilities to perform the essential functions of the job, absent undue hardship.