HVAC Field Service Technician III

Job Description

Job Description

** THIS POSITION IS UP TO 100% TRAVEL**

**WE ARE SEEKING PROFESSIONALS IN THE MILWAUKEE, WI AND SURROUNDING AREAS AS WE ARE RAPIDLY EXPANDING IN THE AREA**

F6 is a rapidly growing HVAC and Refrigeration Equipment Manufacturing company supporting hyperscale data center infrastructure across the United States. With over 100 employees and continued exponential growth, our teams specialize in the startup, commissioning support, and troubleshooting of mission-critical cooling systems designed by leading equipment manufacturers.

At F6 we are looking for experienced HVAC technicians who enjoy solving problems.

If you are the technician other people call when no one can figure out why a system isn't working, this role will be a great fit.

Our team works on complex cooling systems supporting some of the largest hyperscale data centers in the world, and we rely on technicians who can think critically, troubleshoot efficiently, and take pride in bringing systems online.

This position combines advanced hands-on troubleshooting with field leadership, guiding teams of technicians through equipment startup and commissioning activities.

Compensation & Travel

Pay: $49 – $60 per hour
Overtime: Available

Travel Expenses Covered

• Flights
• Hotels
• Rental vehicles
• Food (Per Diem)

What You'll Do

This is a hands-on technical role focused on troubleshooting, system startup, and bringing complex cooling systems online in mission-critical environments.

Equipment Startup & Commissioning Support

Lead and perform startup activities for data center cooling systems while supporting project commissioning efforts.

Systems may include:

• In-Row Heat Exchangers (IRHX)
• Computer Room Air Handlers (CRAH)
• Computer Room Air Conditioners (CRAC)
• Data Center Air Handling Units (DAHU)

Responsibilities include:

• Executing pre-functional and functional commissioning tests
• Verifying systems operate according to OEM specifications
• Supporting commissioning agents during system testing
• Identifying installation deficiencies and operational issues

Advanced Troubleshooting

Diagnose and resolve issues involving:

• Hydronic cooling systems
• Chilled water systems
• Glycol cooling loops
• Air handling equipment
• Pumps, valves, and piping systems
• Sensors and instrumentation

Electrical troubleshooting includes:

• 24V control circuits
• 120V and 480V systems
• VFD troubleshooting
• Reading electrical schematics and wiring diagrams

Technicians in this role are frequently responsible for identifying root causes when systems do not perform as expected.

Field Leadership

Lead teams of 4–10 technicians during equipment startup and commissioning phases.

Responsibilities include:

• Conducting daily morning kickoff meetings
• Reviewing safety topics and daily work plans
• Assigning technician responsibilities
• Tracking technician attendance
• Providing technical mentorship and troubleshooting guidance

Successful candidates lead by example and help maintain high technical and safety standards on site.

Project Coordination

Serve as the field liaison between:

• OEM engineering teams
• Commissioning agents (CxA)
• Mechanical contractors
• Electrical contractors
• Data center operators
• F6 Project Coordinators and Operations Managers

Provide daily updates regarding:

• Project progress
• Equipment issues
• Resource needs
• Schedule risks
• Site constraints

Documentation & Reporting

Complete and review project documentation including:

• Startup checklists
• L2/L3 commissioning scripts
• Deficiency logs
• Quality control inspection forms
• Equipment issue documentation

Track labor and materials associated with out-of-scope work to support change orders and project billing.

Technicians Who Thrive in This Role

The technicians who succeed at F6 tend to:

• Enjoy diagnosing complex system issues
• Take pride in solving problems others cannot
• Stay calm when systems don't operate as expected
• Communicate clearly with teammates and customers
• Lead by example and support other technicians in the field
• Take ownership of equipment startup and system performance

Required Experience & Qualifications

• 5+ years experience working with commercial or mission-critical HVAC systems
• Strong experience troubleshooting mechanical and electrical systems
• Ability to read mechanical drawings, piping diagrams, and electrical schematics
• Experience working in construction, commissioning, or startup environments
• Leadership experience guiding technicians or field crews
• Valid driver's license required
• Reliable transportation required for local travel to project sites when applicable

Preferred Backgrounds

Technicians from the following industries tend to excel in this role:

• Commercial HVAC service
• Data center infrastructure
• Industrial equipment service
• Controls technicians
• Chiller technicians
• Turbocor compressor systems
• Field service technicians

Preferred Certifications

• OSHA 10 or OSHA 30
• NFPA 70E / Arc Flash
• HVAC or mechanical certification
• OEM startup training

Physical Requirements

• Ability to work in active construction environments
• Ability to lift 50+ pounds
• Ability to work extended hours during critical startup periods

Benefits

F6 offers a strong benefits package including:

• Health Insurance
• Dental Insurance
• Vision Insurance
• 401k with company match
• Paid Time Off
• Advancement opportunities within a rapidly growing company

Why Join F6

F6 is experiencing rapid growth supporting hyperscale data center infrastructure across the United States.

Technicians joining our team will:

• Work on some of the largest data center projects in the world
• Develop advanced troubleshooting skills
• Work alongside highly skilled technicians
• Have clear advancement opportunities as the company continues to expand

F6 values technicians who take pride in their craft and enjoy solving complex technical challenges. If you are looking for a role where your troubleshooting ability truly matters, we encourage you to apply.

Employment practices will not be influenced or affected by an applicant's or employee's race, color, religion, sex (including pregnancy), national origin, age, disability, genetic information, sexual orientation, gender identity or expression, veteran status or any other legally protected status. Reasonable accommodations will be made for qualified individuals with disabilities unless doing so would result in an undue hardship.

Salary ranges listed are dependent upon a candidate's qualifications, experience, internal equity, and the budgeted amount for the specific role and location.