Senior Mechanical Engineer

Irving Oil Ltd.; New Brunswick; On-site; CAD 95,000 - 149,000; Full time

Benefits offered by this job

Annual bonus plan

Pension plan

Parking allowance

Flexible Benefits Plan

Paid Vacation

Wellness allowance

Volunteer day & donation matching

Volunteer day

Job summary

Irving Oil Ltd. in Saint John, NB, is seeking a Senior Mechanical Engineer to lead mechanical work on capital and expense projects supporting the refinery and Atlantic Canada terminals.

You will deliver safe, reliable, and efficient engineering solutions with field engagement to inform design decisions. The role requires a Mechanical Engineering degree with PEng eligibility in NB, 10+ years of experience, and expertise in pressure vessels, heat transfer equipment, and relevant codes (ASME, API,

Qualifications

• University degree in Mechanical Engineering and PEng eligibility in NB.
• 10+ years of mechanical engineering experience.
• 5+ years with pressure vessels and heat transfer equipment.
• 2+ years in petrochemical refining or similar oil & gas.
• Familiar with ASME NBIC API codes and Canada CRN process.

Responsibilities

• Lead mechanical engineering work from initiation to completion within scope, schedule, and budget.
• Prepare engineering deliverables, BOMs, and technical bid analyses.
• Review 3rd party documents, supervise installation and commissioning.
• Collaborate with operating teams and external experts; drive continuous improvement.
• Travel to vendor shops and abroad as required.

Skills

Safety mindset

Analytical thinking

Problem-solving

Communication skills

Team coaching

Decision-making

Field readiness

Education

Mechanical Engineering degree

PEng certification (NB eligibility)

Tools

Compress

NozzlePro

Job description

## Senior Mechanical EngineerApply: Saint John: Full time: Posted 2 Days Ago: R129202As a Senior Mechanical Engineer on our Engineering Services team, you will collaborate with a multi-disciplinary team to deliver a diverse portfolio of capital and expense projects supporting Irving Oil's operations. Your goal will be to provide mechanical engineering expertise that supports the safe, reliable, and efficient operation of Canada’s largest oil refinery, as well as our network of terminal facilities across Atlantic Canada and the U.S. eastern seaboard. Your success will be demonstrated by delivering practical, fit-for-purpose engineering solutions that advance our safety, reliability, production, efficiency, and energy transition objectives, supported by regular field engagement to assess site conditions and inform engineering design decisions. If you are interested in this exciting opportunity with Irving Oil, please apply by **October 30, 2026.** **What We Offer:*** **Work Environment** **–** Work onsite in our beautiful home office building, with strong safety culture, access to a fitness facility, an onsite medical team, and a café* **Competitive Compensation** **–** Including an annual bonus plan, pension plan, and parking allowance* **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 and execute mechanical engineering work on projects from beginning to completion within committed scope, resources, schedule and budget* Develop engineering deliverables including calculations (e.g. design of below the hook lifting devices, bolted joint analysis, nozzle loads), preparation of material requisitions for pressure vessels, heat transfer equipment, and other mechanical equipment, technical bid analysis, design notes* Prepare engineering work orders for installation of new equipment, or modifications and repairs of existing* Review and approve 3rd party documents and drawing while assuring compliance with codes and project requirements* Supervise and inspect installation modification, and provide construction support and commissioning of engineering systems at construction sites* Collaborate and build relationships with Irving Oil operating teams, external contacts and experts* Engage in continuous improvement, and identify ways to optimize systems, and procedures* Occasional travel to vendor shops and abroad may be required **Your Skills:*** Safety as a core value mindset* Keen analytical and problem-solving skills* Excellent presentation skills, written and verbal communication skills* Ability to see beyond area of expertise, and understand interdisciplinary dependencies* Ability to make timely decisions on technical matters of consequence after reviewing relevant documents* Work effectively within a team, sharing experience, and knowledge, coaching and training less experienced engineers, and providing a clear direction to junior team members* Strong sense of ownership and accountability from conception to completion with no or limited supervision* Able to work in the field and wear full PPE as required by safety standards **Your Experience:*** University degree in Mechanical Engineering, with PEng certification (or immediate eligibility) in NB is required* 10+ years of experience in mechanical engineering is required* 5+ years of experience with pressure vessels, heat transfer equipment, refractory-lined equipment* 2+ years of petrochemical refining or similar oil & gas experience is required* Experience with project execution and mechanical workflow within an engineering organization is required* Working practical knowledge with industry codes and standards including ASME Section VIII, ASME BTH-1, API 660, API 661* Must be familiar with repair, alterations, National Board Inspection Code (NBIC), and CRN registration process for registered pressure equipment/piping in Canada* Working knowledge of Compress and NozzlePro is required The expected salary range for this position is $95,207 - $148,524. Placement within range will be based on relevant experience, qualifications, and skills.