Saint John, Nb Senior mechanical engineer Jobs – 13 Openings This Week

Senior Mechanical Engineer
Irving Oil —Saint John, NB
- $95,207–$148,524 a year
- Full-time
- Writing skills
- Engineering
- Presentation skills
Quick apply
3d
Senior Engineer, Project Development
Irving Oil —Saint John, NB
- $95,207–$148,524 a year
- Full-time
- Microsoft Outlook
- Writing skills
- Engineering
- Dental care
Quick apply
5d
Senior Mechanical Engineer
Sawmills Head Office —Saint John, NB
- Full-time
- Engineering
- English
- Master's degree
Mechanical Designer – Hydroelectric Facilities
AECOM —Saint John, NB
- $65,000–$85,000 a year
- Full-time
- Hybrid work
- Engineering
- English
- Mechanical knowledge
1d
R&D Engineer - SHIFT
Mariner Innovations —Saint John, NB
- Full-time
- Engineering
- Master's degree
- Math
- Disability insurance
- Dental care
Senior Project Manager
FCC Construction Limited —Saint John, NB
- Full-time
- Engineering
- Team management
- Organizational skills
- Dental care
- Life insurance
Engineer
CFM —Saint John, NB
- 8 hour shift
- AutoCAD
- Engineering
- Microsoft Office
Intermediate Project Manager
FCC Construction Limited —Saint John, NB
- Full-time
- Engineering
- Team management
- Travel
- Dental care
- Life insurance
Mechanical Engineering Pile Driving Student-Winter 2027
Irving Equipment —Saint John, NB
- Full-time
- Engineering
- Bachelor's
- Organizational skills
2d
Mechanical Engineering Student - Irving Pulp & Paper - Fall 2026
Irving Pulp and Paper —Saint John, NB
- Full-time
- Engineering
- Microsoft Office
- Contracts
Project Manager
FCC Construction Limited —Saint John, NB
- Full-time
- Travel
- Organizational skills
- Contracts
- Dental care
- Life insurance
Mechanical Engineering Student - Winter 2027
CFM —Saint John, NB
- Full-time
- Engineering
- Microsoft Office
- Bachelor's
10d
Senior Mechanical Engineer, SME (Rotating Equipment)
Morson Talent (Canada & USA) —Canada
- $85–$100 an hour
- Remote
- Engineering
- Mechanical knowledge
Quick apply

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Project Manager
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11d
Senior Mechanical Engineer
Irving Oil —Saint John, NB
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…
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Senior Mechanical Engineer / Product Designer
Embross —Richmond Hill, ON
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Senior Mechanical Engineer

Irving Oil
Saint John, NB

Quick apply

Job details

Full-time
3 days ago

Benefits

Paid vacation

Skills

Mechanical engineering
Personal protective equipment (PPE) use
Writing skills
Coaching
Engineering
Oil & gas
Mechanical Engineering
Presentation skills
Bachelor's
Continuous improvement
Construction field inspections
Commissioning phase involvement
Communication skills
Construction phase engineering support

Full job description

As 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 September 23, 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.

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.

Job Requirements - Work Experience

Job Requirements - Education

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Refine Your Search

senior mechanical engineer jobs in saint john, nb

Senior Mechanical Engineer

Senior Engineer, Project Development

Senior Mechanical Engineer

Mechanical Designer – Hydroelectric Facilities

R&D Engineer - SHIFT

Senior Project Manager

Engineer

Intermediate Project Manager

Mechanical Engineering Pile Driving Student-Winter 2027

Mechanical Engineering Student - Irving Pulp & Paper - Fall 2026

Project Manager

Mechanical Engineering Student - Winter 2027

Senior Mechanical Engineer, SME (Rotating Equipment)

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