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 Advantages 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

Strong 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 (New Brunswick)
🏢 Irving Oil
📍 New Brunswick