Senior Building Mechanical Engineer – Water/Wastewater

Brown and Caldwell

Senior Building Mechanical Engineer leading HVAC, plumbing, and fire sprinkler system designs at Brown and Caldwell. Join our team to work on challenging projects in the water and wastewater industry.

Posted 7/9/2026full-timeRemote • 🇨🇦 CanadaSenior💰 CA$118,000 - CA$161,000 per yearWebsite

About the role

Key responsibilities & impact

Develop HVAC, plumbing, and fire sprinkler calculations that support building design and ensure compliance with industry standards and regulations
Interpret mechanical, plumbing, building, and fire codes to provide guidance in design implementation and ensure alignment with code requirements
Interpret fire protection and life-safety standards, including hazardous area classification and ventilation, for design and compliance with standards the CSA, NFPA (e.g., NFPA 820 for wastewater facilities) and relevant environmental or industrial regulations within a wastewater context
Develop and implement solutions for hazardous area ventilation, odor control, and explosion prevention in highly corrosive or combustible environments typical of wastewater treatment
Use software to draft and model HVAC, plumbing, and fire sprinkler systems, and develop specifications for HVAC, plumbing, and fire sprinkler equipment
Interpret relevant codes and standards for fire sprinkler system design and compliance
Review HVAC, plumbing, and fire sprinkler drawings/specifications, coordinating with other engineering disciplines to ensure integration and compliance
Size ductwork, plumbing, and fire sprinkler distribution systems using industry-standard techniques and models
Lead large projects with limited oversight and contribute to projects of strategic importance

Requirements

What you’ll need

Typically requires a minimum of 10 years of building mechanical engineering or related experience
15+ years of building mechanical engineering or related experience preferred
Prior experience in municipal discipline engineering designs and consulting within the water and wastewater industry
Proven knowledge of fire protection and life-safety standards, building codes and mechanical, plumbing, and fire codes
Extremely proficient in relevant software for drafting, modeling, and specification development
Demonstrated ability in developing, drafting, and modeling HVAC, plumbing, and fire sprinkler systems
Advanced ability to review and coordinate HVAC, plumbing, and fire sprinkler drawings/specifications with other engineering disciplines
Bachelor’s degree in mechanical engineering is required
Professionally licensed (P. Eng.) and, if necessary, expected to achieve license in British Columbia within 6 months of hire.

Benefits

Comp & perks

medical
dental
vision
short and long-term disability
life insurance
an employee assistance program
paid time off and parental leave
paid holidays
401(k) retirement savings plan with employer match
performance-based bonus eligibility
employee referral bonuses
tuition reimbursement
pet insurance
long-term care insurance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Building Mechanical EngineeringDrafting and Modeling SoftwareSpecification DevelopmentDuctwork SizingFire Protection StandardsLife-Safety StandardsCode InterpretationHazardous Area VentilationOdor Control SolutionsExplosion Prevention Techniques

Soft Skills

Project LeadershipCollaborationCommunication

Certifications

Bachelor’s Degree in Mechanical EngineeringP. Eng. License