Boiler Technician

We are seeking an experienced Boiler Technician with deep expertise in controls, instrumentation, and combustion systems.

This role centers on the electrical side of boiler service — diagnosing faults, tuning burners, commissioning systems, and keeping equipment running safely through disciplined preventive maintenance Job Requirements (What You’ll Do) Control & Instrumentation Inspect, test, calibrate, and replace electrical control components.

Electrical Troubleshooting Diagnose electrical faults across boiler control circuits using multimeters.

Trace wiring issues, identify failed components, and resolve intermittent faults systematically.

Read and interpret electrical schematics, ladder diagrams, and control panel drawings to isolate root causes quickly and accurately.

Burner management & Combustion Tuning Service and maintain burner management systems and flame safeguard controllers (Honeywell, Fireye, Siemens, Cleaver-Brooks, and similar).

Perform combustion analysis using flue gas analyzers.

Tune air-to-fuel ratios across the full firing range to optimize efficiency, minimize emissions, and maintain safe operation.

Adjust and verify modulation control, high/low fire setpoints, and burner sequencing.

Preventative Maintenance Perform scheduled electrical PM tasks on all boiler control systems.

Conduct annual safety device testing including low-water cutoff, high-limit, and flame failure response per code and insurance requirements.

Startups Execute electrical commissioning on new installations and post-repair boiler systems.

Verify wiring, confirm control power, and test all interlocks and safety devices prior to first fire.

Confirm proper sequencing, safety shutdown function, and setpoint configuration.

Perform and document initial combustion analysis at startup.

Document all work, parts, and notes in NetSuite mobile.

Work independently in the field while coordinating with the service, parts, and sales team.

Experience & Qualifications High School diploma required 3+ years of field experience preferred (boiler industry, HVAC, or electrical controls) Strong troubleshooting ability — able to diagnose issues, not just replace parts Working knowledge of:

• Boiler room equipment and steam systems Combustion testing equipment Parallel positioning systems and controllers Electrical systems, test equipment, and conduit installation PLC programs and control systems Ability to manage time, prioritize work, and adapt in the field Strong customer service skills and professional communication Valid driver’s license required with acceptable motor vehicle record Ability to pass background check and drug screening Work Environment & Expectations Flexibility to work overtime, nights, or weekends when needed Participation in an on-call rotation for emergency service Ability to handle multiple priorities while maintaining accuracy and safety standards At Thermal Tech Inc, our core values—Customer Driven & Focused, Respect for People and Policy, and Doing the Right Thing—define who we are and guide everything we do.
• Our purpose is “Helping the Customer Remove the Worry,” targeting medium to large commercial and industrial customers who value consistent service and innovative solutions.
• We follow a proven process from needs assessment to lifelong partnership, committed to delivering total system efficiency and reliability.
• If you share our values and seek to join one of the fastest-growing companies in Central/North Florida and South Georgia, we invite you to join our dynamic team Powered by JazzHR