Mechanical Engineer III

About Us

From commercial office space and manufacturing to multi-site retail portfolios, we manage and support over 1 billion square feet of facilities space for the nation’s leading organizations. We provide comprehensive facility services ranging from mechanical maintenance and self-performed, site-based operations to energy-efficiency upgrades and supplier-managed interior/exterior maintenance.

Job Summary

MechanicalEngineer 3is responsible for performing preventive maintenance, routine inspections, troubleshooting, and general repairs on commercial and industrial facility equipment in a safe, efficient, and professional manner. This role supports facility operations by maintaining building systems and equipment reliability while ensuring a safe and comfortable environment for building occupants.

The successful candidate is a strong communicator with excellent follow-through skills, capable of working independently and collaboratively while adhering to all safety, operational, and customer service standards. MechanicalEngineer3performs assigned maintenance tasks, documents work activities in the CMMS and assists in maintaining the overall appearance and functionality of the facility.

Essential Duties & Responsibilities

Preventive Maintenance & Inspections - Perform scheduled preventive maintenance (PM) activities on facility and building equipment in accordance with established procedures and manufacturer recommendations. Conduct routine "shift rounds" and inspections of facility systems and equipment to identify operational issues, safety concerns, and maintenance needs. Monitor and record equipment operating conditions including temperatures, pressures, vibration levels, flow rates, and other performance indicators. Identify potential equipment failures and report deficiencies to site leadership.

Equipment Maintenance & Repair - Troubleshoot and perform minor maintenance and repair work on commercial and industrial building systems and equipment. Assist senior technicians with more complex repairs and maintenance activities. Perform routine maintenance tasks including Filter replacements, Belt and hose inspections/replacements, Lubrication and greasing of equipment, Oil changes, Condenser and coil cleaning, Basic mechanical adjustments. Complete general building maintenance activities such as painting, patching, fixture repairs, and minor carpentry work. Perform basic plumbing repairs including faucet, valve, and drain maintenance. Assist with simple electrical repairs such as lighting maintenance, lamp replacement, and ballast replacement where permitted.

Customer Service & Communication - Communicate professionally and effectively with customers, facility occupants, vendors, and team members. Ensure customer requests are clearly understood and addressed appropriately. Provide updates regarding work status, anticipated completion times, and any operational impacts. Support a customer-focused environment by responding promptly and professionally to maintenance concerns.

Safety & Compliance - Strictly adhere to all company safety policies and procedures. Follow OSHA regulations, lockout/tagout procedures, permit requirements, and other workplace safety protocols.

Utilize required personal protective equipment (PPE) and maintain a safe working environment. Identify and report unsafe conditions, hazards, or compliance concerns. Participate in safety meetings and required training programs.

Vendor & Contractor Support - Assist with monitoring subcontractors performing facility services and maintenance activities. Provide guidance regarding site procedures, safety requirements, and work locations as directed by management. Verify work areas remain safe and organized during contractor activities.

General Facility Support - Support special projects, facility improvements, and operational initiatives as assigned. Maintain work areas, shops, and storage locations in a clean and organized condition.

Perform additional duties as assigned by the Site Manager, Facilities Manager, or other designated leadership.

Qualifications

Education

(HS Diploma, Under/Graduate Degree, etc.)

High School Diploma or equivalent required. Trade school, vocational training, technical certification, or related coursework preferred.

Business Experience

(prior years work/related experience)

Licenses/Certifications

MA Refrigeration Journeyman License required. Valid driver's license required. Forklift, aerial lift, scissor lift, OSHA, or trade certifications are a plus.

Language Skills

Ability to read, understand, and interpret safety procedures, operating instructions, maintenance manuals, blueprints, diagrams, and work orders. Ability to prepare routine reports, maintenance documentation, and professional correspondence.

Ability to effectively communicate with customers, coworkers, and management. Ability to calculate measurements, percentages, proportions, area, circumference, and volume. Ability to apply basic algebraic and geometric concepts to maintenance and repair activities. Ability to solve practical problems involving multiple variables in environments with limited standardization.

Technical Qualifications & Skills

Basic understanding of commercial building systems and maintenance practices. Ability to use hand tools and small power tools safely and effectively. Ability to disassemble and reassemble basic building fixtures and equipment. Knowledge of basic plumbing, carpentry, and mechanical repair techniques. Ability to perform routine maintenance and corrective repairs on building systems and equipment. Ability to safely operate forklifts, scissor lifts, aerial lifts, and similar equipment after training and certification. Proficiency with computers, mobile devices, tablets, email systems, and CMMS software. Ability to learn and apply manufacturer maintenance procedures and facility operating standards.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is frequently required to stand; walk; sit; use hands to finger, handle, or feel; reach with hands and arms and talk or hear. The employee is occasionally required to climb or balance; stoop, kneel, crouch, or crawl and taste or smell. The employee must occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this job include ability to adjust focus.

Work Environment

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this Job, the employee is occasionally exposed to moving mechanical parts; high, precarious places; fumes or airborne particles; toxic or caustic chemicals; outside weather conditions; extreme cold; extreme heat; risk of electrical shock; explosives; risk of radiation and vibration.

The noise level in the work environment is usually moderate.

Equal Opportunity Employer

As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled

Affirmative Action Policy

Please review ourAffirmative Action Policy ( .

Notice to Prospective Employees

Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companieslist open positions here ( . Please check our available positions to confirm that a post or email is genuine.

EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCOR’s normal application process – it is probably fraudulent.

Geographic Disclosure

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Job Locations US-MA-Waltham

ID 2026-51291

Company EMCOR Facilities Services, Inc.

Category Maintenance

Position Type Full-Time

Location Type Onsite

Posted Date 3 days ago (7/16/2026 4:09 PM)