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HOCS Projects

Lead Mechanical Engineer

Calgary, AB, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Dec 3, 2026
Experience: Minimum 10 years of progressive mechanical engineering experience within the oil and gas, industrial, EPC or EPCM environment.
Posting language: English
Posted: Nov 3, 2026

Original job description

About HOCS Projects

HOCS Projects is a Calgary-based engineering, procurement and project management firm supporting the energy industry. We deliver dependable, innovative and responsible design solutions, with constructability and operability considered from project start through fabrication, construction and operations.

Role Overview

HOCS Projects is seeking a Senior Mechanical Engineer to lead the successful delivery of mechanical engineering scopes within multi-disciplinary projects across the energy sector. This role is accountable for technical quality, mechanical design, equipment specification, discipline coordination, vendor engagement and project support throughout the project lifecycle. The successful candidate will provide technical leadership to project teams while delivering safe, practical and constructible mechanical engineering solutions aligned with project requirements, client expectations and business objectives.

Key Responsibilities

Lead and execute mechanical engineering scopes from concept development and FEED through detailed engineering, procurement, construction and commissioning.
Establish mechanical design criteria and prepare, review and approve equipment datasheets, specifications, material requisitions, design calculations and other discipline deliverables.
Specify, evaluate and select static, rotating and packaged mechanical equipment in accordance with project requirements and applicable codes and standards.
Lead technical bid evaluations, review vendor drawings and documentation, and resolve technical matters with suppliers and fabricators.
Provide mechanical input to P&IDs, equipment layouts and multi-disciplinary design deliverables to support safe, operable and constructible facilities.
Plan and coordinate assigned mechanical work, monitor deliverables against scope and schedule, and identify technical risks or changes requiring project action.
Lead or participate in design, constructability, operability and process-safety reviews, including HAZOP activities, as required.
Provide technical guidance and mentorship to intermediate and junior engineers and designers, and review their work for technical accuracy and completeness.
Interface with clients, project managers, other disciplines, vendors and construction teams to resolve complex technical issues and support project decisions.
Provide construction, fabrication, commissioning and start-up support, including site visits, field reviews and responses to technical queries.
Ensure mechanical deliverables comply with project requirements, client specifications, applicable codes and standards, and HOCS quality and safety practices.
Authenticate professional engineering documents when required and within the engineer’s area of competence and professional responsibilities.

Education, Professional Registration & Experience

Bachelor's degree in Mechanical Engineering or an equivalent engineering discipline.
Professional Engineer (P.Eng.) registered and in good standing with the Association of Professional Engineers and Geoscientists of Alberta (APEGA).
Minimum 10 years of progressive mechanical engineering experience within the oil and gas, industrial, EPC or EPCM environment.
Demonstrated experience leading mechanical scopes and preparing and reviewing deliverables for static, rotating and packaged equipment.
Strong working knowledge of applicable mechanical codes and standards, including relevant ASME, API and CSA requirements.
Experience with pressure vessels, piping systems, pumps, compressors and mechanical equipment packages, as applicable to project scope.
Experience with equipment specifications, material requisitions, technical bid evaluations, vendor document review, fabrication support and procurement coordination.
Experience supporting multi-disciplinary projects through concept development, FEED, detailed engineering, construction, commissioning and start-up.
Demonstrated ability to provide technical guidance, complete quality reviews and resolve complex engineering issues.
Strong client-facing, technical writing, communication, organization, analytical and problem-solving capabilities.
Field, brownfield, facility modification or operating-plant experience is considered an asset.
Legally entitled to work in Canada.

Application Information

Interested candidates are invited to click APPLY or send a resume to the Recruitment team at recruitment@hocs.ca.

We kindly ask candidates not to submit multiple applications for the same position. Only candidates selected for pre-screening or an interview will be contacted.

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More about this job

Responsibilities

Lead mechanical engineering scopes throughout the project lifecycle, including design, equipment selection and specification, procurement, vendor coordination, and construction and commissioning support. Coordinate multidisciplinary work, review deliverables for quality and compliance, guide junior team members, and resolve technical issues with clients, suppliers, and project teams.

Requirements

Requires a bachelor's degree in Mechanical Engineering or an equivalent discipline, an active Alberta P.Eng. registration, and at least 10 years of progressive mechanical engineering experience in oil and gas, industrial, EPC, or EPCM environments. Candidates need experience leading mechanical scopes and working with equipment, applicable codes and standards, vendor and procurement processes, and project delivery from FEED through start-up; they must also be legally entitled to work in Canada.

Skills

Mechanical Engineering
Mechanical Design
Equipment Specification
Static Equipment
Rotating Equipment
Packaged Equipment
Technical Bid Evaluation
Vendor Document Review
ASME, API, And CSA Codes
Pressure Vessels
Piping Systems
Pumps And Compressors
FEED And Detailed Engineering
HAZOP And Process Safety Reviews
Multidisciplinary Coordination
Construction And Commissioning Support

Visa sponsorship

Not detected in the job text

Keywords

Mechanical Engineering
Oil And Gas
Energy Industry
EPC
EPCM
FEED
Detailed Engineering
Mechanical Design Criteria
Equipment Datasheets
Design Calculations
Static Equipment
Rotating Equipment
Packaged Equipment
Pressure Vessels
Piping Systems
Pumps
Compressors
ASME
API
CSA
Technical Bid Evaluations
Vendor Documentation
Material Requisitions
HAZOP
Constructability Reviews
Commissioning And Start-Up
APEGA
P.Eng.
Procurement Coordination
Fabrication Support

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