As a Senior Mechanical Field Engineer on our Engineering Services team, you will serve as a key mechanical engineering resource supporting refinery operations, maintenance activities, and the execution of capital and expense projects across Irving Oil's operations. Your goal will be to provide practical, field-focused mechanical engineering expertise that supports the safe, reliable, and efficient operation of Canada's largest oil refinery and our network of terminal facilities across Atlantic Canada and the U.S. eastern seaboard. Your success will be demonstrated through strong field engagement, technical leadership, successful project execution, and the delivery of fit-for-purpose engineering solutions that advance our safety, reliability, production, efficiency, and energy transition objectives.
What We Offer
Work Environment – Work onsite and grow within Canada’s largest Refinery, with strong safety culture, access to a fitness facility, an onsite medical team, and a café
Competitive Compensation – Including an annual bonus plan, and pension plan
Flexible Benefits Plan – In effect from day one and offers three levels of coverage to select from to meet your unique, personal needs
Paid Vacation – Plus an annual option to purchase additional vacation, too
Wellness Support – With an annual wellness allowance, paid personal care days and a 24/7 Employee & Family Assistance Program
Opportunity to give back to some amazing causes in our community – Choose when and where to make an impact with a paid volunteer day, company volunteer opportunities, and a donation matching program
Your Responsibilities
Lead field engineering support for refinery operations, maintenance, turnarounds, and capital projects
Act as the primary field engineering liaison between Construction,



Operations, Maintenance, Project Execution/ Project Managers and Engineering teams, supply management and purchasing
Supervise, mentor and delegate work within field engineering team,
Conduct field assessments, troubleshoot equipment issues, and develop practical engineering solutions
Create, review, and approve engineering work packages, designs, repairs, and technical documentation
Support Management of Change (MOC), Field Change Notice (FCN), and contractor Request for Information (RFI) processes
Provide technical oversight during equipment installation, repair, piping modification, and commissioning activities
Ensure compliance with applicable codes, standards, and engineering requirements
Support reliability initiatives, root cause investigations, and continuous improvement efforts
Mentor, coach, and develop Engineers, Technologists, Technicians and coop students
Participate in construction and project meetings such as kick-off meetings, readiness reviews, and status meetings
Your Skills
Safety-first mindset
Strong analytical, troubleshooting, and problem-solving skills
Excellent communication, presentation, and stakeholder management abilities
Proven leadership and mentoring capabilities
Ability to lead multidisciplinary teams and collaborate across functions
Sound technical judgment and decision-making skills
Solid understanding of construction,



maintenance, inspection, and commissioning practices
High level of ownership, accountability, and initiative
Ability to work in industrial environments and wear PPE as required
Your Experience
Bachelor's degree in Mechanical Engineering
P.Eng. designation in New Brunswick or immediate eligibility for registration
10+ years of mechanical engineering experience in refining, petrochemical, oil and gas, or heavy industrial environments
5+ years of refinery or related process industry experience
Experience supporting capital projects, maintenance activities, equipment installations, and brownfield modifications
Experience with pressure vessels, heat transfer equipment, refractory-lined equipment, and other fixed mechanical assets, and piping systems
Practical knowledge of welding, metallurgy, non-destructive examination (NDE), and mechanical integrity programs
Working knowledge of ASME Section VIII, ASME B31.3, ASME BTH-1, API 510, API 660, API 661, and NBIC
Familiarity with repair, alteration, and CRN registration requirements for pressure equipment in Canada
Experience with Management of Change (MOC) processes
Working knowledge of Compress and NozzlePro is an asset
The expected salary range for this position is $95,207 - $148,524. Placement within range will be based on relevant experience, qualifications, and skills.
Irving Oil is committed to supporting a diverse and inclusive work environment. We thrive on the good energy that’s created when our people from different backgrounds, identities, cultures and experiences share their unique perspectives. Diversity is key to our success and inclusion is everyone’s responsibility.
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📌 Senior Mechanical Field Engineer (Winnipeg)
🏢 Irving Oil
📍 Winnipeg