Top 279 Senior mechanical technician Jobs in Westminster, Co

Senior HVAC Commercial Service Technician
Timberline Mechanical Systems —Boulder, CO
- $30 - $55 an hour
- Weekends as needed
- Ability to climb stairs
- High school diploma or GED
- Ability to lift 50 pounds
- Health savings account
- AD&D insurance
Quick Apply
17h
Sr. Mobile Diesel Mechanic
Cox Fleet —Denver, CO
- Background check
- DOT physical examination
- Residential
- Health insurance
- Dental insurance
Quick Apply
Motorcoach / Bus Service Technician
ABC COMPANIES —Aurora, CO
- $45 - $50 an hour
- Overtime
- CDL B
- ASE Certification
- Computer literacy
- Paid training
- AD&D insurance
Quick Apply
Senior Diesel Technician
Wiers —Denver, CO
- $45 - $55 an hour
- Full-time
- ASE Certification
- 5 years
- CDL
- Paid holidays
- Disability insurance
Quick Apply
Sr. Mobile Diesel Mechanic
Cox Fleet —Denver, CO
- Background check
- 5 years
- DOT physical examination
- Health insurance
- Dental insurance
Quick Apply
Sr Mobile Diesel Mechanic
Cox Fleet —Denver, CO
- Monday to Friday
- Background check
- DOT physical examination
- Residential
- Health insurance
- Dental insurance
Quick Apply
Senior HVAC Technician
Aether Mechanical, LLC —Aurora, CO
- $40 - $50 an hour
- Overtime
- Clean driving record
- Residential
- Driver's License
- Paid holidays
- Health insurance
Quick Apply
Vehicle Maintenance Technician
Denver Transit Operators —Denver, CO
- $35.26 - $41.34 an hour
- Overnight shift
- 18 years or older
- Clean driving record
- Schematics
- Paid training
- Paid holidays
Quick Apply
General Service Technician - Big O Tires
Leeds West Groups —Boulder, CO
- $18 - $22 an hour
- Full-time
- 18 years or older
- Clean driving record
- Inventory management
- Health savings account
- Paid holidays
Quick Apply
Sr. Fire Combo Technician- Denver
Fuze HR Solutions Inc. —Denver, CO
- $32 - $45 an hour
- Online Application
- Clean driving record
- Customer service
- 5 years
- Disability insurance
- Dental insurance
Quick Apply
Automotive Senior Technician
Firestone Complete Auto Care —Denver, CO
- $22.66 - $35.52 an hour
- Full-time
- Customer service
- 3 years
- Driver's License
- Paid training
- Paid holidays
Off-Road RV Body Assembly Technician
Foundation Vehicles —Golden, CO
- $20 - $22 an hour
- Full-time
- Mid-level
- Forklift
- Ability to lift 50 pounds
- Health insurance
- Dental insurance
Quick Apply
Journeyman Refrigeration- Commercial & Industrial
CoolSys —Denver, CO
- $24 - $40 an hour
- Full-time
- Carpentry
- Background check
- Clean driving record
- Paid training
- Paid holidays
Electronics Repair Technician
Electrom Instruments —Longmont, CO
- $22 - $28 an hour
- Full-time
- Background check
- Mid-level
- Windows
- Health insurance
- Dental insurance
Quick Apply
10d
Sr. Mechanical Engineer
Wanco, Inc —Arvada, CO
- $45 - $55 an hour
- Overtime
- 7 years
- Office
- In-person
- Health insurance
- Dental insurance
Quick Apply
Engineering Technician III
Particle Measuring Systems —Niwot, CO
- $30 - $43 an hour
- Full-time
- Computer literacy
- Ability to lift 50 pounds
- Ability to sit for extended periods
- Health insurance
- Dental insurance
7d
Commercial Door, Frame, Hardware, & Access Control Professionals
Skyler Design Build —Denver, CO
- $20 - $50 an hour
- Email
- Clean driving record
- Construction site
- Mid-level
- Mileage reimbursement
- Health insurance
Quick Apply
Service Technician (Electronics)
AllSTEM Connections —Niwot, CO
- $26 - $28 an hour
- Full-time
- Military
- Engineering
- Mid-level
- Health savings account
- Health insurance
Quick Apply
20h
Maintenance Technician
Kisco Senior Living —Louisville, CO
- $22.50 - $25.50 an hour
- Weekends as needed
- Background check
- Current TB test
- Computer literacy
- Health insurance
- Dental insurance
14d
Senior Facilities Maintenance Technician
Federal Reserve Bank of Kansas City —Denver, CO
- $69,200 - $89,500 a year
- Full-time
- Clean driving record
- 3 years
- High school diploma or GED
- Health savings account
- Paid holidays

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Senior HVAC Commercial Service Technician

Timberline Mechanical Systems -
Boulder, CO

Quick Apply

Job Details

Full-time
$30 - $55 an hour
17 hours ago

Benefits

Health savings account
AD&D insurance
Company truck
Paid holidays
Relocation assistance
Health insurance
Dental insurance
401(k)
Paid time off
401(k) 4% Match
Vision insurance
401(k) matching
Life insurance
Referral program
Retirement plan

Qualifications

Field service equipment repair
Digital multimeters
EPA
Teamwork
Refrigerant recovery machines
Safety protocol adherence
Industrial equipment diagnostics
Refrigeration component replacement
Team leadership
Technical documentation
In-person customer service
Mechanical system commissioning projects
OSHA 10
High school diploma or GED
System testing
Hot water heating systems
Mentoring
Safety hazards
Voltage testers
EPA Universal Certification
Commissioning phase involvement
Field commissioning
Facilities routine maintenance
Mechanical troubleshooting
Industrial boilers

Full Job Description

Company Overview

Timberline Mechanical is a trusted HVAC and plumbing service contractor serving the Colorado Front Range. Since 2003, we have specialized in commercial and industrial HVAC, refrigeration, preventive maintenance, and 24/7 plumbing services, delivering reliable solutions that keep building systems operating efficiently. As a Modigent company since 2022, we combine local expertise with the resources and growth opportunities of a national platform.

Job Overview

Service Technician III

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.

Pay: $30.00 - $55.00 per hour

Benefits:

401(k)
401(k) 4% Match
401(k) matching
Company truck
Dental insurance
Health insurance
Health savings account
Life insurance
Paid time off
Referral program
Relocation assistance
Retirement plan
Vision insurance

Work Location: In person

Quick Apply

Refine Your Search

senior mechanical technician jobs in westminster, co

Senior HVAC Commercial Service Technician

Sr. Mobile Diesel Mechanic

Motorcoach / Bus Service Technician

Senior Diesel Technician

Sr. Mobile Diesel Mechanic

Sr Mobile Diesel Mechanic

Senior HVAC Technician

Vehicle Maintenance Technician

General Service Technician - Big O Tires

Sr. Fire Combo Technician- Denver

Automotive Senior Technician

Off-Road RV Body Assembly Technician

Journeyman Refrigeration- Commercial & Industrial

Electronics Repair Technician

Sr. Mechanical Engineer

Engineering Technician III

Commercial Door, Frame, Hardware, & Access Control Professionals

Service Technician (Electronics)

Maintenance Technician

Senior Facilities Maintenance Technician

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