Senior Building Mechanical Engineer (water/wastewater)

Job Category : Engineering & Architecture Posted : July 8, 2026 Full-Time Remote Brown and Caldwell (BC), a leading 100% employee-owned, environmental engineering firm, has a rewarding career prospect for a self-motivated engineer to join our Building Mechanical team.

Senior Building Mechanical

Engineer position will work with senior technical staff on various building mechanical projects, primarily in the water and wastewater industry. This is an extraordinary opportunity for a technical leader to continue to build upon their career and do challenging and meaningful work.

The Building Mechanical

Engineering role is responsible for leading the design and implementation of HVAC, plumbing, and fire sprinkler systems for high-profile building projects. The role interprets mechanical, plumbing, building, and fire codes, as well as relevant fire protection and life-safety standards (including, but not limited to, those of the CSA and NFPA) relevant to commercial buildings and wastewater treatment facilities. The role includes sizing ductwork, plumbing, and fire suppression systems, selecting suitable equipment, and drafting and modeling these systems using AutoCAD and Revit software.

Hybrid or fully remote work from British Columbia, Canada is allowed but candidates may be asked to travel to client worksites a couple times per quarter. 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. Provide mentorship, guidance, support, and knowledge-sharing to help less experienced team members develop their skills and grow within their roles. 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.

Excellent leadership skills demonstrated through leading significant projects or initiatives.



Typically requires a minimum of 10 years of building mechanical engineering or related experience. 15+ years of building mechanical engineering or related experience. Prior experience in municipal discipline engineering designs and consulting within the water and wastewater industry.

Knowledge of piping and ductwork layout and design of 3D piping systems. Ability to work with Designers/Drafters in Revit/BIM environment.

Experience in HVAC and plumbing piping design. Knowledge of NFPA 820 and other NFPA codes for extreme environments.

Experience using engineering calculation software (MathCAD, Excel, AFT Arrow/Fathom). Proficient using CAD software (Revit and AutoCad). A bachelor’s degree in mechanical engineering is required. Professionally licensed (P.

These ranges may be modified in the future. We provide a comprehensive benefits package that promotes employee health, performance, and success which includes 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 and long-term care insurance. Headquartered in Walnut Creek, California, Brown and Caldwell is a full-service environmental engineering and construction services firm with 50 offices and over 2,100 professionals across North America and the Pacific.

For more than 75 years, we have created leading-edge environmental solutions for municipalities, private industry, and government agencies. We strive to be the company of choice—to our clients, who benefit from our passion for delivering exceptional quality, and to our employees, present and future, who share our commitment to client service, collaboration, and innovation.

📌 Senior Building Mechanical (HVAC) Engineer (water/wastewater)
🏢 Bc Consultants, Canada
📍 Vancouver