EXPVerified Job Source

Intermediate / Senior Mechanical Engineer

London, ON
Hybrid
Posted Sep 26, 2026
1 position

$110,000–$120,000 / year

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Employment type: Full-time
Experience level: Senior · 5+ years
Minimum education: Professional degree
Posting language: English
Working hours: 40 hours per week

Job summary

Design and coordinate mechanical systems for building projects, including HVAC, plumbing, and fire protection, and prepare calculations, specifications, studies, and project documentation. Manage project work plans and deliverables, provide construction-phase support, review designs and submittals, and mentor designers while ensuring quality and code compliance.

Job details

Intermediate / Senior Mechanical Engineer London, ON (Hybrid) At EXP, we’re driven to provide innovative solutions for the world’s built and natural environments. As a team of engineers, architects, designers, scientists, creators and a community of professionals, we bring diverse and talented people together to solve the world’s most complex challenges. Here, you join a team that leverages differences, harnesses their entrepreneurial spirit in an employee-owned company, that believes diversity is what gives us strength, seeks sustainable results and shares ambitions for each other, our clients and the communities we are part of and serve. To be a part of EXP means to have your own experience, while staying connected to a global network of professionals, who believe we are a part of something bigger. Together, we are EXP. Are you ready to design your future? Be our next Intermediate / Senior Mechanical Engineer! Your work environment at EXP Your work environment at EXP. In this role, you will be a part of the Buildings group based in London, ON and will work closely with the mechanical and electrical team members in the London office along with other offices in the region. What a day at EXP has in store for you * CAD proficient with working CAD drawings. Proficiency with REVIT would be an asset. * Prepare/Review calculations for HVAC, plumbing, and fire protection systems load calculations. * Thorough knowledge of relevant codes and standards. * Create written specifications to reflect the project requirements. * Coordinate mechanical requirements with other disciplines and other consultants during SD and DD phases. * Select and schedule HVAC, plumbing, and fire protection systems equipment. * Meet with vendors to determine specification requirements for application. * Coordinates with other disciplines (MEP/FP, Arch, Struct, etc.). * Respond to RFI’s for the project and accurately review submittals. * Provide construction support, including answering construction queries, review shop drawings, and providing construction change documentation. * Apply risk management procedures daily to minimize exp’s and client’s exposure to problems. * Understand work planning and manage design process to the available hours in work plan. * Understand proper scope of SD, DD, CD level documents – and deliver appropriate documentation. * Work with PC, PM, and Clients to meet scheduled project milestones of multiple projects. * Manage and deliver revisions (ASI’s, etc.) and sketches according to proper numbering convention. * Edit and develop scope of work narratives (SD narrative, basis of design, etc.). * Market Sector – Understands specific engineering requirements for applications within a market sector. * Understand and properly provide existing exp details relevant to projects. * Be able to direct and mentor Designer level staff on all of their responsibilities on a daily basis. * Perform at a ‘responsible charge’ level of meeting exp’s design and quality levels. * QA/QC reviews of all calculations by Designers, and provide guidance and mentoring. * Determine content of drawings and specs for Designers in order to meet the scope of work. * Develop and monitor work plans in conjunction with other PM’s. * Review code related items with Designers and ensure compliance * Manage work plans and deliverables on multiple projects within budgeted hours. * Write studies and reports for systems on projects. * Technical experience required includes: * Writing controls sequences of operations for AHU’s, CHW and HW systems. o Hydronics systems (heating and chilled) o Variable & constant flow systems. o CV, VAV, and VVT air systems. o Exhaust systems o Domestic water, sanitary and storm drainage systems o Natural gas piping systems o Thorough understanding of psychometrics. o Advanced equipment selection and analysis – chillers, boilers, air terminals, cooling towers, air valves, heap filters, DX equipment and water source heat pumps. o Thorough understanding of humid climate design risks. o Thorough understanding of total energy concepts. What your experience looks like * 7+ years in project management/ mechanical design experience. * Must hold a professional engineering, P. Eng. license with the PEO. * Must have strong leadership skills and good communication capabilities. * Building design experience is a must * Preferred experience includes educational, institutional, healthcare industry This job posting is for an existing position vacancy within our organization. The base salary range for this role is between $110K to $120K. 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: hrsupport@exp.com [hrsupport@exp.com]. Our story With a mission to understand, innovate, partner and deliver, EXP provides engineering, architecture, design and consulting services to the world’s built and natural environments. Our heritage dates back to 1906, when the earliest of EXP’s predecessor companies started its engineering infrastructure practice. Today, thousands of creative professionals across EXP work together to deliver extraordinary experiences year after year. What makes us different The passion, enthusiasm, diversity and industry-leading capabilities of our employees make us who we are. We’re committed to providing a challenging work environment that cultivates career growth, encourages creativity and rewards excellence. Find out more about life at EXP by visiting www.exp.com [https://www.exp.com/].

What you’ll do

Requirements

Candidates must have at least seven years of project management or mechanical design experience, building design experience, and a P.Eng. license with PEO. Strong leadership and communication skills are required; experience in educational, institutional, or healthcare projects is preferred.