HVAC Mechanic II

Bosch Building Technologies LLC; Irvine (CA); On-site; USD 48,000 - 80,000; Full time

Benefits offered by this job

Medical

Vision

401K w/ company match

Life/AD&D/LTD

Paid Vacation/Sick/Holidays

Employee Assistance Program

Pet Insurance

Flexible Spending Accounts

Job summary

Bosch Building Technologies North America is seeking an experienced HVAC Service Technician in Irvine, CA. You will maintain, troubleshoot, and repair commercial HVAC systems, interpret blueprints, and support commissioning activities.

You will also prepare service proposals and manage parts inventory while ensuring safety and compliance with local codes. The ideal candidate has 4+ years of HVAC/refrigeration experience, EPA 608 certification, and strong electrical/controls knowledge.

Qualifications

• EPA Section 608 certification (CFC) required; maintain refrigerant documentation.
• 4+ years in maintaining, repairing, and installing HVAC/refrigeration systems.
• Experience reading blueprints and working with building codes.

Responsibilities

• Maintain, troubleshoot, and repair chilled water, hot water, steam systems, and large air handlers.
• Install new units or replacements per specs and codes; read blueprints.
• Generate proposals with labor and parts; manage parts inventory.
• Support start-up, commissioning, and be on-call for emergencies.
• Ensure safety practices and accurate job documentation.

Skills

HVAC maintenance

Refrigeration systems

Troubleshooting

Electrical & controls knowledge

EPA 608 certification

Education

Associate degree in HVAC/refrigeration

Two-year HVAC/refrigeration training program

High school diploma or equivalent

Tools

Volt meters

Oscilloscopes

Multimeters

Job description

About Us

Backed by more than a century of Bosch innovation, Bosch Building Technologies North America is driven by a simple belief: buildings should protect, inspire, and empower the people inside them. We partner with organizations to create smart, connected environments that feel safer, work smarter, and support a more sustainable future. With decades of regional experience and teams rooted in communities across North America, we bring together integrated security, fire detection, building automation, and energy solutions, all delivered by people who genuinely care. Our experts are committed to excellence, guided by digital innovation, and passionate about creating experiences that make every building feel like it's working for you.

In 2026, Robert Bosch unified its global building technology integrator operations under the name of Bosch Building Technologies. As part of this transition, Paladin Technologies and Climatec combined their branch networks, creating a product-agnostic systems integrator focus on delivering flexible, future-ready solutions, offering customers an expanded, cross-domain service portfolio working as one cohesive team to deliver greater value under a stronger Bosch identity.

Full Time/Part Time

Full-time

Job Description

Job Summary: HVAC Service Technician is responsible for maintaining, troubleshooting, and repairing commercial HVAC systems, including chilled water, hot water, steam systems, large air handlers, air distribution, and electronic and pneumatic controls. This role installs new equipment and replacement components in accordance with project specifications and local codes, interprets blueprints and drawings, and supports system start‑up and commissioning activities. The position collaborates with internal teams and contractors to resolve technical issues, generate service proposals, maintain parts inventory, and ensure safe, efficient system operation. Availability for emergency response and strong adherence to safety practices are required.

Responsibilities:

• Performs maintenance, troubleshooting and service repairs on chilled water systems, heating hot water and steam systems, large air handlers, air distribution systems and electronic and pneumatic control systems.
• Installs new units or replacement parts for existing units according to specifications and local building codes.
• Follow blueprints or engineering specifications to install units and troubleshoot.
• Work with office to generate proposals including labor and all parts required.
• Maintain and secure a parts inventory. Recommend purchasing maintenance equipment and supplies as required to improve processes and efficiencies.
• Strong knowledge of the hazards associated with the occupation, and the safety precautions to maintain all times; examples include knowledge of procedures in handling chemicals such as degreasers, cleaners, Freon and acids.
• Available and willing to be called upon any time, including off working hours to handle emergency duties.
• Interpret Bosch Building Technologies and other’s drawings to install or service the mechanical equipment or pneumatic controls within a building.
• Install conduit, tubing, valves, etc. for controls and/or special building systems.
• Provide information and support for other contractors on project site.
• Assist as required troubleshooting efforts during either the static or dynamic start up or commissioning of building controls, mechanical equipment, and special systems.
• Provide input to others as requested or required to assist in the accurate estimation, design, and installation for building systems or mechanical equipment.
• Provide documentation including daily logs, time sheets, service work orders, etc. as required for assigned projects.
• Other duties as assigned.

Required Qualifications:

• Minimum of a high school diploma or equivalent.
• 4+ years of experience maintaining, repairing, and installing refrigeration and HVAC units, equipment, and systems; and completion of an associate degree program in HVAC/refrigeration systems; and completion of a two-year technical HVAC/refrigeration training program; or an equivalent combination of training and experience.
• EPA Section 608 certification (CFC) required. Must maintain all customer documentation of refrigerant use.
• Clean DMV record.

Preferred Qualifications:

• Experience interpreting job documents, owner documents, and company documents to install and/or service pneumatic control systems and HVAC equipment.
• Proficiency in working with electronic equipment such as volt meters, amp meters, oscilloscopes, etc.
• Ability to troubleshoot basic electric and electronic circuitry, including reading and interpreting electrical and electronic diagrams.
• Familiarity with AC power circuitry, including breakers, multi-phase power, etc. (120VAC and greater).
• Excellent verbal and written communication skills.
• Strong interpersonal skills with the ability to empathetically understand and address the issues and perceptions of others.
• Thorough understanding of HVAC operations within a facility.
• Experience with VRF (Variable Refrigerant Flow), boilers, and hydronic systems.

Physical Demands:

In general, the following physical demands are representative of those that must be met by an employee to successfully perform the essential functions of the job.

• While performing the duties of this job, the employeeis regularly required tostand, climb, walk, sit, push, pull, squat, crawl, and stoop. The employeeis regularly required touse hands to finger, handle, feel objects, and type on keyboard; reach with hands and arms; talk and hear. Specific vision abilities required by the job include close vision, distance vision, depth perception, and the ability to adjust focus. The use of power tools will berequiredto effectively perform this position. The employee must occasionally lift and/or move up to 50 poundsand maybe requiredto work at heights over 1.8m(6 feet)

Working Conditions:

In general, the following conditions of the work environment are representative of those that an employeeencounterswhile performing the essential functions of this job.

• While performing the duties of this job, the employee will be exposed to outdoor weather conditions, work on job sites, may berequiredto travel to and from job site locations, may work in a typical office environment, and is occasionally exposed to construction equipment. The noise level in the work environment is usually moderate. Confined space entry may berequired. High work may berequired.

Additional Information:

• Compensation: $35 - $58 per hour
• Working Hours: This position generally works Monday- Friday, overtime and on call when necessary
• Medical
• Vision
• Flexible Spending Accounts
• 401K w/ company match
• Life/AD&D/LTD
• Paid Vacation/Sick/Holidays
• Employee Assistance Program
• Pet Insurance

Disclaimers

Equal Employment Opportunity Statement
This company considers candidates regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law.

All your information will be kept confidential according to EEO guidelines.

U.S. and Canada Privacy Notice

United States and Canada residents have the right to receive additional notices about their personal information. To learn more, click here .

French Privacy NoticeFrench Canadian residents have the right to receive additional notices about their personal information. To learn more, click here .Reasonable AccommodationsIf you require a reasonable accommodation in completing a job application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, you can reach out to our HR team for support at [e-mail] . Please note our HR representatives do not have visibility of application or interview status. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this job

Indefinite U.S. work authorized individuals only. Future sponsorship is unavailable. U.S. work authorized individuals only.

Pay Range

The estimated pay range for this job. Disclosing pay information promotes competitive and equitable pay. The actual pay rate will depend on the person's qualifications and experience.

$35.00 - $58.00 / hour

Pay Transparency

In order to support the Fair Compensation Strategy by the US Govt., HR Dept., clients are required to adhere to "Pay Transparency Law"; in the impacted states; that have mandated the employers to list the salary ranges in Job advertisements or postings for job opportunities and Job promotions.