Donohoe

Commercial real estate development, construction, management

Maintenance Mechanic

Building & Property MaintenanceUpdated on Nov 5

Full-timeWashington, DC, USA$30 - $35 /hrIn-person

About the Job

Requirements

Broad understanding of commercial plumbing, basic electrical systems, and the refrigeration cycle.
Experience using digital Building Management Systems (BMS/BAS) to monitor and adjust building environments.
Ability to read and interpret technical specifications, blueprints, and wiring diagrams.
Proficiency with plumbing and HVAC diagnostic tools, including multimeters, manifold gauges, and leak detectors.
Hands-on experience with drain cleaning equipment, including snakes and cameras, and pipe repair methods.
Adhere to OSHA safety standards, including Lockout/Tagout procedures, confined-space entry, and fall-protection protocols.
Handle and dispose of refrigerants in accordance with federal Environmental Protection Agency guidelines.
Ability to diagnose complex issues across utility systems.
Ability to lift more than 50 pounds, climb ladders, and work in confined spaces, mechanical rooms, or extreme weather conditions.
High school diploma or GED.
Three to five or more years of experience in facility maintenance, commercial plumbing, or commercial HVAC.
Valid driver's license with a clean driving record.

Responsibilities

Perform routine HVAC inspections, filter changes, belt replacements, and system tuning on air handlers, condensers, chillers, and boilers.
Troubleshoot mechanical malfunctions and repair or replace components such as compressors, motors, and thermostats.
Maintain and repair commercial plumbing systems, including sinks, toilets, and associated piping; identify and repair leaks or clogs using Pro-Press, PVC, copper, and cast-iron methods.
Operate drain-cleaning equipment such as a K-50 snake and plumbing cameras for diagnostics.
Read wiring diagrams and use multimeters to test voltage, amperage, and continuity; troubleshoot basic electrical circuits and replace faulty mechanical parts.
Conduct daily facility rounds and system testing to maintain energy efficiency and prevent equipment failure; test pipe or tubing joints for leaks.
Use Building Management Systems (BMS/BAS) to monitor the building climate remotely and respond to alarms.
Maintain detailed logs of work orders, parts used, and system performance metrics.
Comply with local building codes and EPA environmental regulations.
Perform preventative maintenance of assigned HVAC, electrical, and plumbing equipment.

Desired Qualifications

Completion of an apprenticeship program or technical degree.
Experience with brazing, soldering, and threading pipe.
EPA Section 608 Universal CFC certification.
HVAC or journeyman license.

About the Role

Job Description: The Maintenance Mechanic is responsible for the overall maintenance, repair, and operational efficiency of commercial facility systems. This versatile role requires a strong working knowledge of HVAC, plumbing, basic electrical, and general mechanical systems. The mechanic will perform preventative maintenance, diagnose complex issues across multiple trades, and ensure a safe, code-compliant, and comfortable environment for building occupants.

Location: Washington, DC

Pay Rate: $30-$35 per/hr. depending on experience.

Core Responsibilities

HVAC Support & Repair: Perform routine inspections, filter changes, belt replacements, and system tuning on air handlers, condensers, chillers, and boilers. Troubleshoot mechanical malfunctions and repair/replace components like compressors, motors, and thermostats.
Plumbing Maintenance: Maintain and repair commercial plumbing systems, including sinks, toilets, and associated piping. Identify leaks or clogs and perform necessary repairs using Pro-Press, PVC, copper, and cast-iron methods. Operate drain cleaning equipment (e.g., K-50 snake) and plumbing cameras for accurate diagnostics.
Electrical & Mechanical Troubleshooting: Read wiring diagrams and utilize multimeters to test voltage, amperage, and continuity. Troubleshoot basic electrical circuits and replace faulty mechanical parts.
Preventative Maintenance: Conduct daily facility rounds and system testing to ensure peak energy efficiency and prevent equipment failure. Test pipe or tubing joints for leaks.
Building Automation: Interact with Building Management Systems (BMS/BAS) to monitor the building climate remotely and respond to alarms.
Documentation & Compliance: Maintain detailed logs of all work orders performed, parts used, and system performance metrics. Adhere strictly to OSHA safety standards, local building codes, and EPA environmental regulations.

You Should Have

Minimum Skill Set Requirements To be successful in this role, a candidate must possess a blend of cross-discipline technical expertise, physical stamina, and analytical thinking.

Technical Proficiency

Multi-Trade Knowledge: Broad understanding of commercial plumbing, basic electrical systems, and the refrigeration cycle.
BMS/BAS Familiarity: Experience using digital control systems to monitor and adjust building environments.
Blueprint Reading: Ability to read and interpret technical specifications, blueprints, and wiring diagrams.

Tools & Equipment

Proficiency with basic plumbing and HVAC diagnostic tools, including multimeters, manifold gauges, and leak detectors.
Hands-on experience with drain cleaning equipment (snakes and cameras) and pipe repair methods.
Experience with brazing, soldering, and threading pipe is highly preferred.

Compliance & Safety

OSHA Safety Standards: Strict adherence to Lockout/Tagout (LOTO) procedures, confined space entry, and fall protection protocols.
EPA Guidelines: Proper handling and disposal of refrigerants in accordance with federal law.

Soft Skills & Physical Demands

Problem-Solving: Ability to rapidly diagnose complex issues across different utility systems under pressure.
Physical Stamina: Capacity to lift 50+ lbs, climb ladders, and work in confined spaces, mechanical rooms, or extreme weather conditions.

Education, Experience & Certifications

High School Diploma or GED required (completion of an apprenticeship program or technical degree preferred).
3 to 5+ years of experience in facility maintenance, commercial plumbing, or commercial HVAC.
Preferred: EPA Section 608 Certification (Universal CFC).
Preferred: HVAC or Journeyman License.
Valid driver’s license with a clean driving record.

EOE, including disability/veterans

Why You'll Love Working With Us

Overview

Complete Building Services, (CBS) a building operations/facilities maintenance company, is currently seeking a Maintenance Mechanic in Washington. CBS is a division of The Donohoe Companies, Inc. - Washington's oldest real estate company. The Maintenance Mechanic will perform preventative maintenance of HVAC, electrical, and plumbing to assigned equipment.

About the Company

Donohoe

Commercial real estate development, construction, management

Donohoe is a diversified commercial real estate group made up of six specialists—Development, Construction, Commercial Real Estate, Borger Residential, Hospitality, and Complete Building Services—covering the full life cycle from idea to operation. Its approach combines envisioning, designing, funding, building, leasing or selling, and then operating assets, with ongoing property and hospitality services from a single source. It sets itself apart with in-house teams working under a culture of integrity, trust, and accountability to reduce handoffs, shorten timelines, and maintain consistent quality through each project stage. The goal is to create, build, and run spaces that inspire people and deliver value for clients and communities through reliability, strong relationships, and measurable outcomes.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: Bethesda, MD
Founded: 1884

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