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Donohoe

Commercial real estate development, construction, management

Maintenance Mechanic

Building & Property MaintenanceUpdated on Nov 13
Full-timeFairfax, VA, USA$25 - $30 /hrIn-person

About the Job

Requirements

  • Working knowledge of commercial plumbing, basic electrical systems, the refrigeration cycle, HVAC, and general mechanical systems.
  • Experience using digital building control systems to monitor and adjust building environments; Siemens Desigo BAS familiarity is preferred.
  • 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 such as snakes and cameras, and pipe repair methods.
  • Experience with brazing, soldering, and threading pipe is highly preferred.
  • Adherence to OSHA safety standards, Lockout/Tagout procedures, confined-space entry, fall-protection protocols, and EPA guidelines for refrigerant handling and disposal.
  • Ability to work with a computerized maintenance management system (CMMS) to open and close work orders daily.
  • 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.
  • EPA Section 608 Universal CFC certification.
  • Valid driver's license with a clean driving record.

Responsibilities

  • Perform routine 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 leaks or clogs and complete repairs using Pro-Press, PVC, copper, and cast-iron methods.
  • Operate drain cleaning equipment, including 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 support energy efficiency and prevent equipment failure; test pipe or tubing joints for leaks.
  • Use Siemens Desigo Building Management System/Building Automation System to monitor building climate remotely and respond to alarms.
  • Maintain detailed records of work orders, parts used, and system performance metrics.
  • Adhere to applicable OSHA safety standards, local building codes, and EPA environmental regulations.

Desired Qualifications

  • Completion of an apprenticeship program or technical degree.
  • Experience with Siemens Desigo building automation systems.
  • Experience with brazing, soldering, and threading pipe.

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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