Maintenance Mechanic

Donohoe Construction Company; Fairfax (VA); On-site; USD 45,000 - 60,000; Full time

Job summary

Donohoe Construction Company seeks a Maintenance Mechanic in Fairfax, VA to ensure the operational efficiency of commercial office and health-care facilities. The role involves HVAC support, plumbing maintenance, and mechanical troubleshooting.

The ideal candidate will have 3-5 years of relevant experience and a solid understanding of multi-trade systems. Responsibilities include performing preventative maintenance and ensuring compliance with safety regulations. A full benefits package is available.

Qualifications

• Proficiency with basic plumbing and HVAC diagnostic tools.
• Hands-on experience with drain cleaning equipment.
• 3 to 5 years of experience in facility maintenance.

Responsibilities

• Perform routine maintenance and repairs on HVAC systems.
• Conduct plumbing maintenance across commercial facilities.
• Document all work orders and ensure compliance with safety standards.

Skills

Multi-Trade Knowledge

BMS/BAS Familiarity

Blueprint Reading

Problem-Solving

Physical Stamina

Education

High School Diploma or GED

3 to 5+ years of experience in facility maintenance

Tools

HVAC diagnostic tools

Plumbing tools

Job description

Overview

Complete Building Services, (CBS) a building operations/facilities maintenance company, is currently seeking a Maintenance Mechanic in Fairfax, VA. CBS is a division of The Donohoe Companies, Inc., Washington's oldest real estate company.

Responsibilities

The Maintenance Mechanic is responsible for the overall maintenance, repair, and operational efficiency of commercial office and health‑care facilities and systems at ICPH. 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.

Schedule

Monday‑Friday 6:00am to 2:30pm (or as assigned)

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) Siemens Desigo 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.

Qualifications

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. This includes working with CMMS system to open and close work orders daily.

• 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. Siemens Desigo BAS preferred.
  • 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.
• EPA Section 608 Certification (Universal CFC). Preferred.
• HVAC or Journeyman License. Preferred.
• Valid driver’s license with a clean driving record.

EOE, including disability/veterans