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Service Start-Up & Commissioning Technician

Confidential

Catonsville, Maryland permanent

Posted: January 30, 2026

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Quick Summary

Responsible for inspecting, maintaining, troubleshooting, servicing and repairing commercial HV

Job Description

MECHANICAL ENGINEERING & CONSTRUCTION CORPORATION

 

Job Title: Start-Up & Commissioning Technician               Department: Start-Up & Commissioning                    

 

Grade: Journeyman                                                                        Supervisor: Start-Up/CX Superintendent

 

$30 - $48 per hour     Full-time

                                   

Health Insurance

Dental Insurance

Vision Insurance

Paid holidays

Paid time off

Paid training

401(k)

POSITION SUMMARY

Responsible for inspecting, maintaining, troubleshooting, servicing and repairing commercial HVAC-R equipment. Work will include start up, commissioning, adjusting, repair, modification and or replacement of HVAC equipment including inter-connecting piping, electrical and control wiring. Communication and proper documentation with great file management skills is vital. This position is an extension to the service department and all correspondence and scheduling will come from the Catonsville office.

ESSENTIAL FUNCTIONS

Ability to read wiring diagrams and electrical schematics, blueprints and/or technical manuals to perform necessary work

Conducts preventive maintenance, service, repair and troubleshooting of commercial HVAC equipment and systems

Performs installation of HVAC equipment

Performs start-ups on all new and potentially old equipment depending on the nature of the

Commissions thus said equipment and documents all

Assist with quality control of the particular project of all MEC2

Accurately estimates time and material requirements for repairs and

Maintains a complete set of necessary tools applicable to the trade and is proficient in their use

Follows all safety practices and adheres to all safety related

ADDITIONAL RESPONSIBILITIES

Responsible for company assets used performing HVAC service work

Holds a valid driver’s license

Makes purchases at local supply houses in accordance with company policy

Completes neat, detailed and accurate service reports and submits them in a timely manner

Routinely works independently while performing HVAC service

Routinely interacts with clients

Conducts self-study (reading, research and practice) to improve and maintain technical proficiency

Utilize all software such as Plan grid to become as efficient as possible

EDUCATION AND EXPERIENCE

Technical school graduate or successful completion of an HVAC Apprenticeship program

HVAC Journeyman and or Masters license

Universal CFC Certification

Minimum of 5 - years commercial HVAC experience at the Journeyman level

KNOWLEDGE, SKILLS, AND ABILITIES

Knowledge of HVAC fundamentals to include basic thermodynamics and psychometrics, basic electricity, ability to perform electrical, controls and refrigerant circuit diagnostics

Proficiency in performing preventive maintenance, repairs and diagnostics on commercial HVAC equipment with cooling capacities in excess of 25-tons such as gas/electric packaged equipment (constant & variable volume), split systems, single and multi-zone ductless spilt systems, heat pumps and all related controls

Proficiency in the preventive maintenance, repair and diagnostics of VAV terminal units, light commercial boilers, gas and oil burners, circulating pumps and exhaust fans of various sizes

Proficiency in the diagnostics, repair and installation of semi-hermetic compressors

Proficiency in performing preventive maintenance with limited repair and diagnostic abilities on VRF systems, data center precision cooling units, commercial humidifiers/dehumidifiers and DDC systems

Knowledge of tools and equipment needed to perform service and repair on HVAC equipment and systems.

Ability to understand written sentences and paragraphs in work-related documents

Able to use logic and reasoning to identify the strengths and weaknesses of solutions and approaches to problems

Able to perform mathematical calculations

PHYSICAL AND MENTAL JOB REQUIREMENTS

Able to lift up to 50

Spend long periods of time standing

Ability to climb ladders to perform work

Work in high elevations

WORKING CONDITIONS

Daily travel to multiple job locations

May be subjected to inclement weather and hazardous working conditions

Work weekend or night-time duty as needed to include on-call duty

NOTE

This job description describes the reporting relationship, the essential functions of the job (duties/tasks/responsibilities), and additional job requirements including: education/experience, knowledge/skills/abilities and physical/mental job requirements. From time-to-time, employees may be required to perform other duties as assigned.

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