Join a leading mechanical contractor specializing in HVAC, refrigeration, controls, and plumbing services. We are known for our quality workmanship and strong, long-term relationships with our commercial and industrial clients. Position Overview We are currently looking for a skilled HVAC/R Service Technician to provide preventive maintenance and responsive repair services for a variety of commercial and industrial HVAC and refrigeration systems. This role offers the chance to work across diverse facilities, including schools, universities, office buildings, hospitals, and manufacturing sites. Key Responsibilities • Diagnose, service, and repair a wide range of commercial HVAC and refrigeration systems including RTUs, AHUs, VRF, VAV, and chillers. • Perform routine preventive maintenance to extend equipment life and improve system performance. • Troubleshoot and repair air-cooled, water-cooled, centrifugal, and screw chillers. • Manage refrigerant recovery, evacuation, and charging in compliance with EPA guidelines. • Interpret technical schematics, wiring diagrams, and service manuals to diagnose faults and recommend effective solutions. • Maintain clear communication with dispatch, supervisors, and clients regarding service outcomes and necessary follow-up actions. • Utilize digital work order systems to maintain accurate records of work performed, materials used, and time spent. • Ensure compliance with safety protocols and company procedures on job sites. • Stay up-to-date with ongoing product training and emerging HVAC/R technologies. Key Qualifications • Associate degree in HVAC/R technology or a related technical field. • Completion of factory training on commercial HVAC/R equipment is preferred. • Mandatory EPA 608 Certification (Universal). • At least 8 years of experience in servicing and troubleshooting commercial HVAC and refrigeration systems. • Strong hands-on experience with air-cooled, centrifugal, and screw chillers. • Ability to read and interpret blueprints, diagrams, and technical documentation effectively. • Valid driver’s license and clean driving record. • Exceptional problem-solving skills and a customer-centric approach. Benefits Include: • Company vehicle provided. • 401(k) with company match. • Medical, vision, and disability insurance. • Pension plan and paid leave options.
See More Details >>Overview • *Disclaimer: To be considered for this position, candidates must attend the hiring event in person at the location listed below. ** Location: Hampton Inn by Hilton Washington D.C/White House 1729 H. Street N.W. Washington, DC 20006 Date & Time: Thursday, 11/06/25 from 9:00am -3:00pm M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most recognizable mission critical facilities, secure environments, complex infrastructure, and global enterprises. The company’s capabilities include electrical, electronic security, telecommunications, life safety, automation and controls, audio visual, and IT systems. M.C. Dean is headquartered in Tysons, Virginia, and employs more than 5,800 professionals who engineer and deploy automated, secure, and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability. Why join M.C. Dean? Our people are inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust. Clearance Requirement: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; ability to obtain & maintain HSPD & Secret, preferred HSPD-12 & Secret Active. License/Certification Requirement: Applicants selected must hold a current VA, MD or DC Journeyman License or VMET certification. Responsibilities The HVAC Technician is responsible for the troubleshooting, maintenance and performance of the HVAC equipment. Uses judgment within limits of standard practice. Provides solutions to a wide range of problems. Solutions are imaginative, thorough and practical. Objectives are specific. • Make periodic inspections of all Engineering systems and equipment and monitoring equipment operations and maintain equipment operating logs. • Mentor less experienced HVAC Technicians. • Operate and maintain site-critical Engineering systems and equipment that supply the facility with heat, utility and conditioned water, ventilation, air conditioning and other environmental and critical systems in accordance with diagrams, operating manuals, industry best practices, and manufacturers specifications. • Monitor and control building equipment; operate facility’s BAS (building automation systems) • Disable and re-arm fire alarm panels when required. • Proficiently use test equipment and devices pertinent to building operating systems and analyze test results. • Operate and maintain gas fired steam boilers. • Perform other related duties as requested. • Perform maintenance on Engineering systems and equipment to include such items as, but not limited to, Chiller, IFU, VAV, HVAC Controls, and fire and life safety system sprinkler systems. • Inspect and adjust mechanical equipment and systems; perform specific preventive maintenance service, as well as general maintenance functions while adhering to energy model for building efficiency. • Make periodic inspections of all Engineering systems and equipment and monitoring equipment operations and maintain equipment operating logs. • Proficiently use test equipment and devices pertinent to building operating systems and analyze test results. • Record and report all faults, deficiencies, and other unusual occurrences. Respond to emergency situations and perform any and all tasks necessary for the protection of occupants and property. • Under minimal supervision, perform Facilities or mission critical environment maintenance activities. • Operate and maintain critical systems such as HVAC, CRAC units, life safety and building automated systems, and utility systems. Qualifications • Applicant must have a high school diploma or GED with a minimum of 4+ years of experience working with complex HVAC systems and equipment including chillers, boilers, package units, VAV systems (direct digital, pneumatic and automated control systems) • Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; ability to obtain & maintain HSPD & Secret, preferred HSPD-12 & Secret Active. • Applicants selected must hold a current VA, MD or DC Journeyman License or VMET certification. Desired / Advantageous Qualifications • Completion of a HVAC technical training program in a vocational or technical school or a recognized apprenticeship program is preferred We offer an excellent benefits package including: • A competitive salary • Medical, dental, vision, life, and disability insurance • Paid time off • Tuition reimbursement • 401k Retirement Plan • Military Reserve pay offset • Paid maternity leave Abilities: • The position requires the ability to lift, carry, and move objects weighing up to [50 pounds] on a regular basis. Candidates must demonstrate physical strength and stamina to perform various tasks, including but not limited to, loading, and unloading, operating equipment, and assisting in the transportation of various materials. Proper lifting techniques and safety protocols must be followed to ensure personal and team safety. • Relocates a 12-foot stepladder without assistance. • Works at various heights up to 60 feet and can climb and maintain balance on scaffolds, aerial lifts, catwalks and all types of ladders. • Walks, climbs, lifts, squats, crawls, kneels, pushes, pulls and reaches overhead on a routine and repetitive basis. • Possess good vision (may be corrected vision), the ability to see in color, and the ability to hear and communicate in English. • May use a standard ladder without exceeding the weight limit while carrying tools. • Tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem. • Apply general rules to specific problems to produce answers that make sense. • Combine pieces of information to form general rules or conclusions (including finding a relationship among seemingly unrelated events). • See details at close range (within a few feet of the observer). • Listen to and understand information and ideas presented through spoken words and sentences. Pay Range USD $30.00 - USD $45.00 /Hr.
See More Details >>About the Role: Complete Building Services is looking to add an HVAC Mechanic's to our facility team. We are supporting a large government building in the heart of DC as supplemental staff. Our team is focused on equipment upkeep, troubleshooting, and minor repair. The schedule is Sunday through Thursday. The shift will be from 6:30 am to 3:00 pm. Salary $45-$50 per hour dependent on experience. Parking provided. While you are on-site, you will be supporting the facility in the following capacities: • Inspect, troubleshoot, and minor repair HVAC systems and associated equipment • Operate and perform Preventive Maintenance of HVAC systems and subsystems • Maintain plant and equipment in sound operating condition • Perform Refrigerant recovery and recycling • Operate Building Energy Management System (Johnson Controls EMS-Metasys a plus) and associated building controls • Interface with building managers and other customer representatives to ensure client satisfaction • Accurately document work performed on trouble tickets or work orders • Install and/or remove systems, hardware and equipment as required • Purchase materials and supplies, and maintain inventory as required for timely work completion • Perform other related duties as assigned You Should Have: • Must be able to pass a background check to obtain a government site badge • Must have registered for Selective Service at the appropriate time • 10-15 years experience working on commercial HVAC systems • Ideally will possess HVAC Journeyman, preferred not required • Knowledge in work involving equipment installation • Completed coursework in HVAC areas • Must have working knowledge of 480V and below electrical systems, HVAC and plumbing systems • Universal CFC Certification Required • Must demonstrate a high degree of proficiency in Building Operations • Possess excellent written and verbal communication skills and a professional demeanor • Must be detail oriented with the ability to manage multiple priorities in a fast-paced work environment • Valid driver's license EOE, including disability/veterans Why You'll Love Working With Us: Complete Building Services (CBS) is a company that is passionate about the operation and maintenance of buildings/facilities in the commercial and government sectors. CBS is the largest division of The Donohoe Companies, Inc. - Washington DC's most established real estate company. At CBS, we celebrate and empower our talented employees - and it shows as we have been ranked by the Washington Business Journal as the "Best Place to Work" multiple times. Perks & Benefits We offer a full slate of benefits, including competitive salaries, medical, dental, vision, life and disability coverages, FSA, flexible vacation, commuter benefits, and a 401k plan with a match. And...we offer some not-so-standard, extra great benefits, including tuition reimbursement for education/certifications, employee discount programs (including hotels and our vendor's products), gym membership, and an Employee Assistance Program that offer a wide array of consultative/actionable services. We value diversity and believe in forming teams in which everyone can be their authentic self is the key to our success. Come join us, and find out what the best work of your career could look like for you.
See More Details >>Embarking on a career in the HVAC trade in Washington, DC, often begins with an apprenticeship, blending hands-on experience with classroom instruction, allowing individuals to gain practical skills while earning. Apprenticeships typically span four to five years, demanding extensive training under certified professionals. The U.S. Bureau of Labor Statistics reports a nationwide total of 762,600 HVAC technicians, with a significant presence in Washington, DC, and projects a 6% job growth from 2022 to 2032. Apprentices in the region can expect to earn an average of $1,176 per week, with experienced professionals often surpassing $57,300 annually. Educational institutions, trade schools, and professional organizations facilitate apprenticeship opportunities, leading to a lucrative career with strong earning potential.
