Service Technician III

Pueblo Mechanical & Controls; El Cajon (CA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

HSA options with employer contribution

401(k) retirement plan

Job summary

Modigent is seeking a Service Technician III to independently diagnose, repair, and maintain complex commercial HVAC systems across diverse facilities. You will lead service calls, mentor junior techs, and ensure code compliance, energy efficiency, and safety in every job.

You will be based in the field with regional travel and a focus on delivering high-quality, reliable building systems across nationwide operations. Comprehensive training and leadership opportunities are provided.

Qualifications

• High school diploma or GED required; trade school or apprenticeship recommended.
• EPA Section 608 certification and other credentials are a plus.
• 5+ years of progressive hands-on commercial HVAC service experience.

Responsibilities

• Diagnose, troubleshoot, repair, and maintain complex commercial HVAC systems.
• Lead full service calls from dispatch to completion with clear customer communication.
• Perform preventive maintenance and energy-efficiency assessments.
• Mentor and guide junior technicians to uphold safety and quality standards.
• Document service activities for billing, warranty, and continuous improvement.

Skills

Advanced diagnostics

Troubleshooting

HVAC systems

Customer service

Safety leadership

Education

High school diploma or GED

Trade school / apprenticeship preferred

Tools

Gauges

Recovery machines

Multimeters

Combustion analyzers

HVAC test equipment

Job description

Position Overview
As a Service Technician III, you'll operate as a senior/journeyman-level expert, independently handling complex commercial HVAC service calls, advanced diagnostics, repairs, maintenance, and system startups across a wide range of equipment in buildings, hospitals, schools, industrial facilities, and more. Lead service efforts on challenging jobs, mentor junior technicians, and deliver high-reliability solutions that ensure code compliance, energy efficiency, and outstanding customer satisfaction. Our people-first culture empowers your mastery with specialized training, certifications, leadership opportunities, and the fulfillment of keeping critical commercial systems running safely and sustainably nationwide.

Position Overview
As a Service Technician III, you'll operate as a senior/journeyman-level expert, independently handling complex commercial HVAC service calls, advanced diagnostics, repairs, maintenance, and system startups across a wide range of equipment in buildings, hospitals, schools, industrial facilities, and more. Lead service efforts on challenging jobs, mentor junior technicians, and deliver high-reliability solutions that ensure code compliance, energy efficiency, and outstanding customer satisfaction. Our people-first culture empowers your mastery with specialized training, certifications, leadership opportunities, and the fulfillment of keeping critical commercial systems running safely and sustainably nationwide.

Duties And Responsibilities

• Independently diagnose, troubleshoot, repair, and maintain complex commercial HVAC systems, including rooftop units, split systems, chillers, boilers, VAV boxes, air handlers, central plants, controls/DDC, large-tonnage equipment, and both wet-side (hydronic) and dry-side (air-side) applications.
• Perform advanced repairs such as major component replacements (compressors, evaporators, condensers, controls, valves, pumps), refrigerant recovery/recharge/handling, system balancing, startup/commissioning, and retrofits/upgrades.
• Conduct thorough preventive maintenance, performance testing, energy-efficiency assessments, leak detection, and system optimization to minimize downtime and extend equipment life.
• Lead full service calls from dispatch to completion: assess on-site issues, communicate clearly with customers on findings/recommendations/solutions, coordinate parts and materials, execute work, and follow up for satisfaction.
• Ensure all work complies with codes, regulations, manufacturer specifications, EPA requirements, and Modigent safety/quality standards.
• Document service activities in detail (work orders, reports, photos, as-builts, recommendations) and maintain accurate records for billing, warranty, and continuous improvement.
• Mentor and guide Service Technician I and II team members by demonstrating techniques, sharing best practices, supporting on-the-job learning, and promoting safety and quality standards.

Supervisory Responsibilities
Yes – Provides coaching, mentoring, and technical guidance to junior Service Technicians (Levels I and II); may lead small service teams or coordinate with subcontractors on complex calls, ensuring alignment with safety, quality, and customer expectations.

Requirements/Qualifications

• Experience: 5+ years of progressive hands-on commercial HVAC service, repair, and maintenance experience; proven journeyman-level proficiency in diagnosing and resolving advanced system issues independently.
• Education: High school diploma or GED required; trade school, apprenticeship completion, or equivalent preferred.
• Certifications: EPA Section 608 certification (Universal strongly preferred); NATE certification, manufacturer-specific training, OSHA 10/30-hour, or other relevant credentials a plus.
• Physical Demands: Ability to regularly lift and carry up to 50 lbs, climb ladders/scaffolding/stairs, work in confined spaces or at heights, bend/kneel/crouch, reach overhead, and use diagnostic tools/equipment for extended periods; frequent standing, walking, manual dexterity, and physical stamina required.
• Work Environment/Safety: Primarily field-based in commercial/industrial settings (indoor/outdoor, varying weather, rooftops, mechanical rooms); exposure to noise, dust, heights, refrigerants, electrical hazards, and extreme temperatures; must strictly adhere to OSHA regulations, EPA protocols, conduct hazard identification, and wear required personal protective equipment (PPE) such as hard hats, safety glasses, gloves, harnesses, and steel-toed boots at all times—safety is our top priority and non-negotiable. This is a safety-sensitive position. Frequent regional travel within assigned market, on-call rotations, and flexible hours (including evenings/weekends) may be required as business needs dictate.

Required Skills

• Advanced diagnostic/troubleshooting across commercial HVAC equipment (RTUs, chillers, boilers, controls/DDC, hydronic/air systems).
• Refrigerant handling/recovery/recharge (EPA-compliant), component replacement, system balancing, startup/commissioning.
• Proficiency with gauges, recovery machines, multimeters, combustion analyzers, and specialized HVAC test equipment.
• Excellent customer service, communication (verbal/written), problem-solving, and mentoring skills.
• Safety leadership, documentation/reporting, multitasking, and independent decision-making in high-pressure situations.

Modigent Overview
Modigent is a national leader delivering next-generation infrastructure, technology, and energy solutions through our family of specialized brands in HVAC, plumbing, and controls systems. With a strong coast-to-coast presence and extensive service capabilities, we empower customers, communities, and our over 1,500 team members to thrive with sustainable, efficient commercial building services. As part of our team, you'll contribute to thoughtful innovation and our people-first culture rooted in service, collaboration, and integrity.

Why Work at Modigent

• Competitive compensation based on experience and level, with opportunities for performance incentives and tool allowances where applicable.
• Comprehensive benefits including medical, dental, and vision coverage, plus HSA options with employer contributions in select plans, and company-paid basic life and accidental death & dismemberment insurance.
• Paid time off, holiday pay, and a 401(k) retirement savings plan to support your long-term financial well-being.
• Professional development through hands-on training, mentorship, apprenticeships, certifications, and clear career advancement paths across our nationwide operating companies.
• Inclusive, supportive culture that values diversity, dignity, respect, collaboration, integrity, and personal fulfillment—empowering you to build a rewarding, long-term career.

Equal Opportunity Statement
Modigent is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, national origin, age, disability, veteran status, genetic information, or any other protected characteristic.

Third-Party Recruitment Policy
Modigent and its wholly-owned operating companies will not pay any fees for candidate introductions, resumes, or placements from recruiters, employment agencies, or staffing firms without a prior, signed recruitment agreement specifically authorizing submission for a designated position. Unsolicited resumes or candidate submissions will not obligate Modigent to any payment, and we reserve the right to pursue and hire such candidates without liability. Agencies are requested to refrain from contacting hiring managers directly; all inquiries and submissions must go through our Talent Acquisition team.