HVAC Mechanic - Piping & Controls in Londonderry, New Hampshire at Oliver Mechanical Inc

Are you an experienced HVAC professional with expertise in piping and controls? We’re looking for a highly skilled HVAC Mechanic – Piping & Controls to join our team and support the installation, maintenance, and optimization of complex commercial and industrial HVAC systems across the state.

This is a technical, hands-on role ideal for someone who thrives working with both mechanical systems and advanced building automation technologies.

What You’ll Do
In this role, you will be responsible for installing, servicing, and troubleshooting HVAC piping systems and control systems to ensure peak performance and efficiency. You’ll work closely with project teams and other trades to deliver high-quality, code-compliant systems.

Your day-to-day may include:

• Installing, modifying, and repairing hydronic piping systems
• Performing brazing, soldering, and welding on piping and copper line sets
• Installing and servicing piping systems for chilled water, hot water boilers, and cooling towers
• Reading and interpreting blueprints, schematics, and control diagrams
• Installing, troubleshooting, and repairing Building Automation Systems (BAS) and Direct Digital Control (DDC) systems
• Calibrating pneumatic and electronic controls
• Assisting with system startups, testing, and commissioning
• Servicing equipment such as rooftop units (RTUs), VAV boxes, and VRF systems
• Performing predictive and preventive maintenance on large-scale HVAC equipment
• Coordinating with electricians, sheet metal mechanics, and other trades
• Ensuring all work meets project specifications, codes, and industry standards
• Maintaining a clean, organized, and safe job site
• Using hand tools, power tools, and specialized diagnostic equipment
• Communicating material needs and project updates to supervisors

What You Bring
We’re looking for someone who is technically strong, dependable, and takes pride in their work:

• Vocational/technical training or completion of an HVAC apprenticeship
• 3–5+ years of experience in commercial or industrial HVAC environments
• Strong knowledge of hydronic systems, piping, and HVAC controls
• Experience with BAS/DDC systems, troubleshooting, and programming
• Solid understanding of HVAC systems, electrical codes, and circuitry
• Ability to read and interpret blueprints, schematics, and technical documents
• Proficiency with hand and power tools
• Reliable transportation
• Strong mechanical aptitude and problem-solving skills
• Ability to perform basic mathematical calculations
• Strong communication skills and a team-oriented mindset
• Ability to work independently and help guide apprentices or helpers
• Safety-minded with knowledge of OSHA regulations
• Positive attitude and strong work ethic
• Ability to multitask and adapt in a fast-paced environment

Certifications & Licensure

• Gas Equipment Installer
• HVAC license preferred (where applicable)

Work Environment

• Work is primarily performed on commercial new construction sites across varying locations
• Must be comfortable working in all weather conditions and on active construction sites

Physical Requirements

• This is an active, hands-on role requiring the ability to lift up to 75 lbs and perform tasks that involve bending, reaching, standing, kneeling, and working on your feet for extended periods.

Why Join Us?
We’re proud to support our employees with a strong team culture, opportunities for growth, and meaningful work across a variety of project sites throughout the state. If you’re looking to build your career with a company that values craftsmanship, innovation, and collaboration, we’d love to hear from you.