Mechanical Design Engineer – Mechanical Building System Design
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 13, 2026. EXP scores A on the Alion truth index.
Position: Intermediate Mechanical Design Engineer - Mechanical Building System Design
Location: Saint John, Moncton, or Fredericton, NB and Sydney or Halifax, NS
Department: Buildings & Industrial Engineering
Join EXP and Shape the Future of Mechanical Engineering
At EXP, we’ve been delivering innovative engineering solutions for over 100 years. As an employee-owned company with offices across North America, we provide multidisciplinary services to clients worldwide. Our mission is simple: create exceptional experiences through collaboration, respect, and innovation.
We’re seeking an experienced HVAC & Plumbing Design Engineer to join our growing team in New Brunswick or Nova Scotia. This role offers the opportunity to design educational, federal and healthcare facilities, commercial buildings, and complex projects across Atlantic Canada and beyond.
What a day at EXP has in store for you
- Prepare drawings, specifications, cost estimates and reports for mechanical design projects.
- Design HVAC systems, plumbing, fire protection, controls systems, and specialized piping systems (natural gas, fuel oil).
- Perform mechanical calculations for ductwork, piping, and equipment sizing.
- Develop equipment schedules and coordinate with project teams to ensure accurate design.
- Conduct energy modeling for LEED, Green Globes, and Green Buildings Initiatives.
- Complete facility condition assessments, feasibility studies, and design briefs.
- Collaborate with multidisciplinary teams and respond to internal/external project inquiries.
What your experience looks like
- Professional Mechanical Engineer (P.Eng.) licensed with APEGNB/Engineers NS or in good standing with another provincial regulator.
- 7+ years of experience as Engineer of record in building and industrial design.
- Strong knowledge of Canadian Building Code, ASHRAE, CSA, and NFPA standards.
- Proficiency in Revit/BIM; AutoCAD experience is an asset.
- Experience in writing specifications.
- Familiarity with HAP, and energy modeling tools.
- Excellent communication skills and ability to manage multiple projects.
This job posting is for an existing position vacancy within our organization.
The actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location.
EXP subscribes to the Workplace Equity Program. Applications from women, members of visible minorities, Indigenous peoples and persons with disabilities are encouraged. Persons with disabilities can obtain accommodation for the selection process by contacting us at the following email address:[email protected] .