Complete Building Services, (CBS) is currently seeking a full-time Stationary Engineer's, DC 3rd Class, in support of a large campus in Washington, DC. The 3rd Class Steam Engineer is responsible for the safe and efficient operation of steam  generation systems, ensuring compliance with District of Columbia (DC) regulations and facility  standards. This role includes monitoring and adjusting equipment, conducting chemical  analysis, and maintaining detailed operational logs to optimize plant...

Complete Building Services—a Donohoe Company, is hiring HVAC Technicians in support of a large campus in Washington. Our HVAC Technicians are responsible for the installation, maintenance, and repair of HVAC and  refrigeration systems across campus facilities. This role supports a safe, comfortable, and energy-efficient environment through skilled mechanical, electrical, and control systems work.The HVAC technician plays a key role in ensuring the physical...

Position Overview: We are seeking two (2) skilled and experienced HVAC Mechanic's to join our facilities team, specializing in hospital and laboratory environments. The ideal candidate will have a strong background in the maintenance, repair, and optimization of Constant Air Volume (CAV) and Variable Air Volume (VAV) systems, ensuring critical spaces maintain required temperature, humidity, and pressurization levels for safety and compliance. Hours are M-F 2:00 pm to 10:30 pm.  

  The Maintenance Mechanic will perform operations, repairs and maintenance of HVAC, electrical, and plumbing to equipment within the facility, while acquiring skills and knowledge to complete the training required to obtain licenses. The hours for this position are 2:30 PM to 11:00 PM - must be able to work weekends, Washington, DC. Salary $20-$24 depending on experience.   The typical day will go something like this: - Daily, weekly and monthly inspections of systems and associated equipment - Perform preventative...

Complete Building Services, (CBS) is currently seeking two (2) full-time Stationary Engineer's (SE) for a large commercial facility in Northern VA, (Fairfax). The full-time SE operates and maintains the facility and performs tours of areas and/or equipment. Additionally, the SE performs PM service calls, diagnostic services, and incidental, minor, and major repairs. The SE shall possess a Class 3 Steam Engineer (DC).    Shifts: Tuesday-Saturday 2:00 pm-10:30 pm            Sunday-Thursday 2:00 pm-10:30 pm -

The Plumber should have a Journeyman's license and will perform all aspects of commercial service plumbing and gasfitting, backflow testing and repair. Install, troubleshoot, service and repair plumbing systems in office buildings, and other commercial establishments as assigned. Hours Monday - Friday 7:00 am to 3:30 pm (overtime as needed) Salary $38-$52. - Conduct inspections of plumbing systems as required - Provide direction and support to sub-contractors designated to perform repair of equipment and/or hardware - Interface with building managers and other customer representatives in order to...