Sr Mechanical Engineer

Calgary, AB
Hybrid
Posted Oct 9, 2026
1 position

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Employment type: Full-time
Experience level: Lead · 10+ years
Minimum education: Bachelor’s degree
Apply by: Oct 26, 2026
Posting language: English
Working hours: 40 hours per week

Job summary

Lead mechanical engineering activities from concept through commissioning, ensuring all deliverables meet project and regulatory requirements. Provide technical direction for equipment selection, multidisciplinary coordination, and mentorship of junior staff.

Job details

Sr Mechanical Engineer Are you passionate about achieving excellence? Do you seek out opportunities to make a meaningful impact and take part in reaching new milestones? Do you value building strong relationships with your team members? If so, we would love to hear from you. As a trusted partner for our clients, we have been committed to delivering a comprehensive range of engineering, procurement, and construction management solutions since 2004 to the transportation, energy and agriculture industries. Our team of dedicated, agile, and efficient professionals is based in Calgary, Alberta, and has provided exceptional services to clients across North America. We are a growing company with a culture based on teamwork and supporting each other's professional growth all while having fun. Our team is looking for a full-time Senior Mechanical Engineer who is driven to deliver their best work every day and are committed to working collaboratively to achieve shared goals. If you are looking for a challenge and want to contribute to your professional growth, this is the place for you. If you see yourself on a team that upholds quality work, builds connections with fellow staff, contractors, and clients, and likes to have fun, then do not let a perfect opportunity pass you by. RESPONSIBILITIES: Lead Mechanical Engineering activities from concept/FEED through detailed engineering, procurement, construction, commissioning and start-up, taking technical ownership of assigned mechanical scope and ensuring deliverables meet project, client, code and regulatory requirements. Establish and review mechanical design criteria, engineering philosophies, specifications and equipment selection requirements, and provide technical direction on calculations, datasheets, specifications and other engineering deliverables. Lead the selection and specification of mechanical equipment, including pumps, compressors, pressure vessels, storage tanks, heat exchangers, packages, loading/unloading equipment and material handling systems. Lead the preparation and review of equipment requisitions, RFQs and technical bid evaluations, and manage technical communications with equipment vendors, including review of vendor documentation. Lead multidisciplinary coordination with Process, Piping, Civil/Structural, Electrical, Instrumentation and other disciplines to resolve technical and design issues. Evaluate equipment and piping interfaces, including nozzle loads, piping reactions, thermal movement, flexibility, support requirements and constructability; review piping stress analysis and coordinate resolution of interface issues with Piping Stress Engineers. Lead or review HVAC design requirements for industrial buildings and facilities, where applicable, and interpret applicable codes, standards and regulatory requirements to resolve technical issues. Lead technical, constructability, HAZOP/HAZID and client engineering reviews as required, and provide technical support during construction, commissioning and start-up. Resolve complex technical and field engineering issues, identify technical risks and recommend practical engineering solutions. Mentor Junior and Intermediate Engineers and provide technical guidance to Designers, supporting the development of engineering capabilities within the team. Support Project Managers and Engineering Managers with mechanical scope, schedule, technical risks and client requirements. Contribute to the development and continuous improvement of company mechanical standards, specifications and engineering practices. QUALIFICATIONS: Bachelor’s Degree in Mechanical Engineering from an accredited university and registration as a P.Eng. with APEGA is required; registration with PEO and/or EGBC is considered an asset. 8–10+ years of progressive mechanical engineering experience, with significant EPC experience and increasing levels of technical responsibility. Strong mechanical engineering design and project execution experience in industrial, oil and gas, midstream, NGL/LPG, fuel terminal, storage, loading/unloading or material handling facilities. Demonstrated experience leading mechanical equipment selection, specification, procurement, technical evaluations, bid evaluations and vendor engineering. Strong knowledge of applicable ASME, API, CSA, NFPA, ABSA and client/project requirements. Demonstrated experience leading multidisciplinary engineering interfaces and coordinating deliverables across disciplines, including Process Basis of Design, Site Layout, P&IDs, SLDs and Area Classification. Strong understanding of piping flexibility, piping stress analysis, equipment nozzle loads and mechanical/piping interfaces. Experience supporting construction, including RFI handling, commissioning and start-up is preferred; HVAC design/review experience for industrial facilities is considered an asset. Demonstrated technical leadership and mentoring experience, with the ability to manage multiple technical priorities and lead assigned mechanical scope with limited supervision. Strong engineering judgment, problem-solving and decision-making abilities, with a practical approach to resolving technical issues. Excellent written and verbal communication skills, with the ability to effectively collaborate with clients, vendors, project teams and other disciplines. All applicants must be legally entitled to work in Canada, be a resident, and residing in Calgary or be willing to relocate to Calgary, to be considered for the position. We are committed to employment equality. We thank everyone for their interest in working with Tri Innovations; however, only candidates selected for an interview will be contacted. Benefits: Extended health care* Vision care* Dental care* Life insurance* Team building RRSP Matching* Performance Based Bonuses* Mentorship program Career development* Paid vacation* Paid personal days* Town halls Hybrid work location Flexible work schedule Continuous education* Corporate events* * For employees only

What you’ll do

Requirements

Requires a Bachelor’s Degree in Mechanical Engineering and P.Eng. registration with APEGA. Candidates must have 8–10+ years of progressive mechanical engineering experience, specifically within EPC and industrial facility environments.