Oliver Mechanical Inc. is a full‑service mechanical contractor based in Manchester, NH, offering HVAC installation and service, commercial plumbing, and mechanical solutions for both spec and design‑build projects across New Hampshire and Massachusetts.
Open Positions
Plumbing Apprentice
High school degree, no experience required
General Laborer - Field Mobilization
Dependable and hardworking with a strong work ethic, physical work ability, and team-oriented attitude
Journeymen Plumber
Journeyman license needed. Plumbing knowledge & hand skills. Able to lift 75lbs and work in demanding conditions
HVAC Installation Mechanic
4+ years of experience, NH Gas Fitter or MA Sheetmetal Journeymen Card, comfortable with heights
Estimator | HVAC or Plumbing
High school diploma or equivalent, experience as an HVAC or Plumbing Estimator, and strong knowledge of HVAC systems and plumbing
Licensed Plumbers
Master/Journeyman license is required. Plumbing & building code knowledge is a must. Ability to lift and work in a physically demanding environment is needed
Join Our Talent Community
Strong work ethic, team spirit, and a desire for continuous improvement. Must align with company values
HVAC/R Service Technician
NH/MA Fitter license is needed, 5+ years of experience, and EPA certification required. Valid driver’s license with a clean record is also required
Plumbing Apprentice - 3rd & 4th Year
3rd-4th year apprenticeship license (NH/MA preferred). 2+ years construction plumbing experience. Ability to work safely and efficiently
Sheetmetal Mechanic
2+ years of HVAC ductwork experience, high school diploma, and valid driver's license required