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AECOM

Senior Mechanical Engineer – Buildings & Infrastructure Projects

Ottawa, ON, Canada

$115,000 to $160,000 CAD / year · Full-time

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Job details

Pay: $115,000 to $160,000 CAD / year
Job type: Full-time
Posting language: English
Posted: Oct 20, 2026

Original job description

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

AECOM Buildings + Places is seeking a motivated and experienced Senior Mechanical Engineer to join our growing team in Ottawa. This is a new position created to support the continued growth of our building engineering practice and contribute to the delivery of diverse and complex projects across commercial, institutional, and light industrial sectors, including water and wastewater treatment facilities and sewage lift stations.

The successful candidate will play a key role in leading mechanical engineering design, supporting multidisciplinary project teams, and providing technical leadership throughout all phases of project delivery. This position offers an excellent opportunity for career growth, mentorship, and the ability to make a significant impact within a collaborative and expanding team.

AECOM Buildings + Places Canada (B+P Canada) is a vibrant and growing fully integrated team of professionals across architecture, building engineering disciplines, landscape architecture, urban planning, urban design, economics, and asset management. Our teams collaborate on a wide range of projects, including municipal, commercial, institutional, justice, education, and government facilities.

Responsibilities

Lead the design and delivery of mechanical systems, including heating, ventilation, air conditioning (HVAC), and plumbing systems, for commercial, institutional, and light industrial facilities;
Provide technical leadership and mentorship to engineers, designers, and project team members;
Direct and coordinate project delivery teams to ensure high-quality, cost-effective, and timely completion of deliverables;
Develop design approaches, procedures, and technical solutions to support successful project execution;
Collaborate with multidisciplinary teams, including architects, engineers, and project managers, to coordinate project deliverables;
Prepare and review engineering calculations, technical reports, specifications, and construction documentation;
Perform quality control reviews of designs, calculations, and drawings;
Develop construction cost estimates and contribute to engineering budgets and project schedules;
Support continuous improvement initiatives and contribute to the growth of AECOM’s mechanical engineering practice.

Qualifications

Minimum Requirements

To be considered for this position, candidates must meet the following minimum requirements:

Bachelor’s degree in Mechanical Engineering or a related discipline, with a minimum of six (6) years of relevant experience, or an equivalent combination of education and experience;
Professional Engineer (P.Eng.) designation in Ontario, in good standing;
Current security clearance or the ability to obtain Secret-level security clearance;
Equivalent combinations of education, training, and experience may be considered.

Preferred Qualifications

10+ years of experience in mechanical engineering following attainment of the P.Eng. designation, including demonstrated leadership in the delivery of mechanical design projects;
Experience with Integrated Project Delivery (IPD) is an asset;
Experience with HVAC controls and Building Management Systems (BMS) design and specifications;
Previous experience leading engineering teams and mentoring technical staff;
Project Management Professional (PMP) designation is an asset;
Strong knowledge of applicable building codes and industry standards, including NBC, ABC, NPC, SMACNA, and ASHRAE;
Proficiency with mechanical design and analysis software, including HAP, AutoCAD, Revit, and Microsoft Office Suite (Excel, Word, Project, and PowerPoint);
Experience with building energy modelling software such as IES, eQuest, EnergyPlus, HOT2000, or RETScreen is an asset;
Experience with sustainability standards and certifications, including LEED, Net Zero, Passive House, or Envision, is an asset;
Experience in plumbing and fire protection system design;
Familiarity with ISO quality management systems;
Experience collaborating within multidisciplinary project teams;
Excellent written and verbal communication skills.

Additional Information

Additional information

Company paid relocation is not available for this position
Sponsorship for Canadian employment authorization is not available for this position
Travel to nearby cities may be required

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.

What makes AECOM a great place to work

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity.

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. Artificial intelligence will be used to support the screening, assessment, and selection of applicants for this role. Final hiring decisions are made by the hiring team.

State/Province: Ontario

Business Group: DCS

Legal Entity: AECOM Canada ULC

Business Line: B&P - Buildings & Places

Work Location Model: Hybrid

Operating Group: Americas

Primary Location: CA - Ottawa, ON - 1150 Morrison Dr

Compensation: CAD 115000 - CAD 160000 - yearly

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More about this job

Responsibilities

Lead the design and delivery of mechanical systems including HVAC and plumbing for diverse commercial and industrial projects. Provide technical leadership, mentorship to engineering staff, and coordinate multidisciplinary teams to ensure high-quality project execution.

Requirements

Requires a Bachelor's degree in Mechanical Engineering and a minimum of six years of relevant experience with a P.Eng. designation in Ontario. Candidates must possess strong knowledge of building codes and proficiency in mechanical design software like AutoCAD and Revit.

Skills

Mechanical engineering
HVAC design
Plumbing design
Technical leadership
Project management
AutoCAD
Revit
Building codes
Construction documentation
Quality control
Mentorship
Energy modelling
Sustainability standards
Fire protection design
BMS design

Benefits

Medical
Dental
Vision
Life insurance
AD&D
Disability benefits
Paid time off
Leaves of absences
Employee assistance program
Business travel insurance
Retirement savings plan
Employee stock purchase plan

Visa sponsorship

Not detected in the job text

Keywords

Mechanical Engineering
HVAC
Plumbing
P.Eng.
Infrastructure
AutoCAD
Revit
Building Management Systems
LEED
Net Zero
Passive House
Envision
Project Management
ISO Quality Management
ASHRAE
NBC
NPC
SMACNA
Energy Modelling
HAP
Integrated Project Delivery
Multidisciplinary Teams
Construction Documentation
Technical Leadership
Engineering Design

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