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Added 3 months ago
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Senior Consultant, Migration Engineer
BDO
Toronto, ON
- Full-time
At BDO, our purpose is helping people thrive. As a Senior Consultant, Migration Engineer, you will join a growing team focused on helping organizations modernize their technology…
Added 1 month ago
Environmental Assessment, Investigation & Remediation Professional
GHD Group Pty Ltd
Vancouver, BC
Working with Project Manager and senior staff in all aspects of project work including scope development, scheduling, budgeting, analysis and reporting
Added 3 months ago
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Electrical Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
…and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a…
Added 3 months ago
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Principal Software Development Engineer - Applied AI
Wagepoint
Remote, Canada
- $200,000 to $220,000 CAD / year
- Full-time
- Remote
We’re looking for a talented Principal Software Development Engineer - Applied AI, who enjoys tackling hard problems and wants to create meaningful impact for small businesses across…
Added 3 months ago
Senior Engineer - Mechanical
Tatham Engineering
Barrie, ON · Guelph, ON · Collingwood, ON
The successful candidate will also be responsible for mentoring junior staff, project management and business development, and collaborating on multi-disciplinary projects with clients,…
Added 2 months ago
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Senior Process Engineer - Water/Wastewater Treatment
AECOM
Winnipeg, MB
- $125,000 to $180,000 CAD / year
- Full-time
Provide leadership throughout design development, design coordination, construction administration, and technical oversight to achieve successful project outcomes.
Added 3 months ago
UO
Assistant Professor (tenure-track)
University of British Columbia
Vancouver, BC · UBCV | Civil and Mechanical Engineering Building (CEME)
- Full-time
…applications for a full-time tenure-track faculty position in Project and Construction Management at the rank of Assistant Professor. In exceptional cases, an Associate Professor (tenured…
Added 3 months ago
S
Mechanical EIT
Stantec
Edmonton, AB
- Full-time
We are excited to announce a new opportunity for a Mechanical Engineer-in-Training within our Energy and Resources Delivery Center! The Delivery Center team was created in the Energy and…
Added 2 months ago
RE
Senior Electrical Engineer - SCADA and Automation
Rising Edge Group
Calgary, AB
- Full-time
Reporting to the Discipline Lead – Automation and SCADA, the Senior SCADA Engineer serves as a technical authority developing, checking and approving SCADA design packages and…
Added 1 month ago
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Design Quality Engineer
Actalent
Montreal, QC
- Contract
Added 1 month ago
PC
Sr. Data Engineer - Toronto, ON (Hybrid)
Pozent Corporation
Toronto, ON
- Contract
We are seeking a hands-on Data Engineer to support the Total Fund Management Portfolio Management Technology team. This role focuses on building and optimizing large-scale data processing…
Added 1 month ago
PC
Senior AI Engineer - Toronto, ON
Pozent Corporation
Toronto, ON
- Contract
We are seeking an experienced AI Engineer to design and deliver scalable GenAI solutions. This subcontractor role focuses on building production�?ready AI products using Python, React, and…
Added 5 months ago
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Ports & Marine - Civil Bulk Materials Handling Engineer/Project Manager
AECOM
Burnaby, British Columbia
- $110,000 to $160,000 CAD / year
- Full-time
AECOM Western Canada is hiring a Senior Civil/Structural Engineer, responsible for the design and delivery of civil and structural systems for bulk materials handling and marine terminal…
Added 5 months ago
WI
Intermediate Materials Engineer, Concrete Technology
WSP in Canada
Vancouver, British Columbia
- Full-time
Contribute to the development of specifications, technical documentation, and contract administration activities.
Added 5 months ago
WI
Senior Mechanical Engineer (Plant Design)
WSP in Canada
Sudbury, Ontario · Greater Sudbury, ON
- Full-time
As a Senior Mechanical Engineer within our Mine Process & Mine Infrastructure group, you will shape the systems and infrastructure that power Canada’s most complex industrial and mining…
Added 5 months ago
AE
Project Engineer – Infrastructure (Facilities)
Associated Engineering
Markham, Ontario
- Full-time
Associated Engineering, a proudly Canadian, Employee-owned Company is seeking an experienced and dedicated Project Engineer – Infrastructure (Facilities) to join our team in our Ontario…
Added 4 months ago
TW
Project Infrastructure & MBSE Engineer - NETE
The Weir Group PLC
Dartmouth, Nova Scotia
- Full-time
Purpose of Role: Weir Marine Engineering is currently looking for a Project Infrastructure Engineer with Software Engineering experience to join our Combat and Control Systems (CCS) Model…
Added 4 months ago
GC
Senior Geotechnical Engineer
GEI Consultants, Inc.
Fredericton, New Brunswick
- Full-time
…communities built on it. We are looking for a Senior Geotechnical Engineer to join our Fredericton team and play a key role in delivering impactful projects across New Brunswick and…
Added 4 months ago
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Sr. Electrical Automation Engineer
Tesla
Markham, Ontario
- Full-time
Tesla is seeking a highly motivated Electrical Automation Engineer to contribute to the design and development of robust and stable automation equipment and assembly lines. You will join a…
Added 5 months ago
BC
Senior Engineer, Rock Mechanics, 10+ years
BBA Consultants
Vancouver, British Columbia
- Full-time
As a senior engineer in rock mechanics, you’ll be responsible for applying sound rock mechanic principles to surface mining, underground mining and civil construction.
Added 5 months ago
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Senior Project Planner
The RTOC Group
Canada
- Contract
o Drive, manage and ensure completeness of the development of the activities, logic, resources, and progress for the integrated project schedule, leading to the creation of the baseline and…
Added 4 months ago
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Principal Mechanical Engineer - Heat Transfer Equipment
Worley
Calgary, Alberta
- Full-time
The Principal Mechanical Engineer – Heat Transfer Equipment is accountable for the technical excellence, safety, quality, and delivery of heat transfer equipment engineering across…
Added 4 months ago
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Principal Mechanical Engineer - Heat Transfer Equipment
Worley
Edmonton, Alberta
- Full-time
The Principal Mechanical Engineer – Heat Transfer Equipment is accountable for the technical excellence, safety, quality, and delivery of heat transfer equipment engineering across…
Added 4 months ago
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QA/QC Inspector (EPCM/Minerals)
Lycopodium
Mississauga, Ontario
- Full-time
Carry out assigned project activities, including site engineer duties, in a manner that prioritises safety, environment, community and industrial relations
Added 4 months ago
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Senior/Team Lead Full Stack developer (Toronto, hybrid)
TechMagic
Toronto, Ontario
- Full-time
Our technical team consists of 6 people: Delivery Director, Project Manager, Business Analyst, Senior Node.js developer, Middle Full Stack Developer, Senior QA Automation Engineer. We also…

Tatham Engineering

Senior Engineer - Mechanical

Barrie, ON, Canada
Guelph, ON, Canada
Collingwood, ON, Canada

$115,000 to $165,000

Apply About employer

Applications open in a new tab.

Job details

Pay: $115,000 to $165,000
Experience: Minimum of 15 years of progressive mechanical engineering experience in the consulting industry
Posting language: English
Posted: Jul 27, 2026

Original job description

Are you an experienced engineering professional eager to advance your career with a dedicated, community-focused, award-winning company? Tatham Engineering offers the opportunity to join a supportive team that values mentorship and provides challenging, rewarding work. Put your knowledge and experience to meaningful use in an environment where collaboration and growth are encouraged.

We are seeking to fill a new role of Senior Engineer for our Mechanical Engineering department. This position can be based out of our Collingwood, Barrie or Guelph office.

The successful candidate will be responsible for completing mechanical engineering designs and projects serving a range of sectors including but not limited to Commercial, Institutional, Industrial, and Municipal Buildings. These projects involve multiple systems such as HVAC, domestic water, sanitary and storm drainage, building automation and fire protection systems. Knowledge of applicable codes, standards and regulations are required to complete these projects. Work assignments may include design of mechanical systems for buildings, condition assessments of existing systems, report writing, performing site inspections, and providing direction to contractors.

The successful candidate will also be responsible for mentoring junior staff, project management and business development, and collaborating on multi-disciplinary projects with clients, architects, and other design team members.

Key Position Requirements

P.Eng. in the Province of Ontario
A degree in Mechanical Engineering or related discipline
Minimum of 15 years of progressive mechanical engineering experience in the consulting industry
Working knowledge of the Ontario Building Code, and associated standards including ASHRAE, CSA and NFPA.
Detailed engineering experience with mechanical systems including preparation of calculations and reports, equipment selection, and design of HVAC, plumbing, fire protection, and building automation systems.
Experience preparing specifications for equipment and associated systems
Proficiency with design software (AutoCAD, REVIT, Carrier HAP or similar)
Full knowledge of Microsoft Office Suite
Experience with decarbonization and energy efficiency retrofits would be an asset
Experience with business development would be an asset
Strong communication and interpersonal skills
Excellent technical and analytical skills
Experience mentoring and providing technical guidance to junior engineering staff
Enthusiasm to work in a team structure and a willingness to guide, help and collaborate with others

How to Apply

Click the “Apply Now” button below and follow the instructions to create your account. Please include your resume and contact information.

We thank all candidates for applying, however only those selected for an interview will be contacted.

Tatham Engineering does not use artificial intelligence in the hiring process. All applications are reviewed by Human Resources and the appropriate hiring managers.

Why Tatham?

At Tatham, our key values are reflected in everything we do. We aim to be the engineering consulting firm of choice by upholding our core values: Service, Communication, Teamwork, Relationships & Community. Our company has experienced significant growth by putting these values into action.

What We Offer

Competitive compensation, benefits, health spending account, RRSP matching and profit sharing
Flexible work arrangements and work-life balance
Paid volunteer opportunities
Vacation starting at 3 weeks minimum for all positions – prorated in the first year
Challenging and rewarding work on notable projects
Professional development, training, mentorship program and career progression opportunities
Reimbursement for annual professional dues
Collaborative and engaging workplace environment
Regular office/team socials and recreational outings, including an activity allowance for approved events
Shareholder opportunities

Company Information

Tatham Engineering is a Canadian employee-owned, consulting engineering firm that specializes in Coastal, Land Development, Municipal, Structural (Buildings and Bridges), Transportation, Water Resources, Water & Wastewater, Electrical and Mechanical engineering, and provides specialized services in Air & Noise, Climate Resilience and Hydrogeology. The firm was founded in Collingwood, Ontario, in 1988 and currently employs over 200 staff with branch offices in Barrie, Bracebridge, Guelph, Orillia and Ottawa.

Tatham is proud to be recognized as one of Southwestern Ontario’s Top Employers of 2026 and Canada’s Top Small & Medium Employers of 2026!

Diversity, Inclusion, and Accommodations

Tatham Engineering is an equal opportunity employer that values diversity in the workplace and welcomes applications from all qualified candidates. We are committed to ensuring the selection process is inclusive, accessible, and barrier-free. If you require accommodation, please contact Human Resources at hr@tathameng.com and the request will be addressed confidentially.

Expected Hiring Range for This Position

$115,000 to $165,000

Compensation will reflect the unique skills and experience each candidate brings to the role. The posted range serves as a general guideline, and final offers may vary.

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More about this job

Responsibilities

The Senior Engineer will lead mechanical engineering designs for commercial, institutional, industrial, and municipal buildings, covering HVAC, plumbing, and fire protection systems. Responsibilities include project management, mentoring junior staff, and collaborating with multi-disciplinary teams and clients.

Requirements

Candidates must be a licensed P.Eng. in Ontario with a degree in Mechanical Engineering and at least 15 years of consulting experience. Proficiency in AutoCAD, REVIT, and knowledge of the Ontario Building Code and ASHRAE/CSA/NFPA standards are required.

Skills

Mechanical Engineering Design
HVAC Design
Plumbing Design
Fire Protection Systems
Building Automation Systems
Project Management
Business Development
Mentoring
AutoCAD
REVIT
Carrier HAP
Ontario Building Code
ASHRAE Standards
CSA Standards
NFPA Standards
Technical Report Writing

Benefits

Competitive compensation
Health spending account
RRSP matching
Profit sharing
Flexible work arrangements
Paid volunteer opportunities
Vacation starting at 3 weeks
Professional development
Training
Mentorship program
Reimbursement for annual professional dues
Office/team socials
Activity allowance
Shareholder opportunities

Visa sponsorship

Not detected in the job text

Keywords

Mechanical Engineering
P.Eng.
HVAC
Plumbing
Fire Protection
Building Automation
Ontario Building Code
ASHRAE
CSA
NFPA
AutoCAD
REVIT
Carrier HAP
Decarbonization
Energy Efficiency Retrofits
Consulting
Condition Assessments
Site Inspections
Project Management
Business Development
Microsoft Office Suite

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