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Enerflex Ltd

Sr. Mechanical Engineer

Canada

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Job details

Posting language: English
Posted: Oct 15, 2026

Original job description

Summary

The Senior Mechanical Engineer is a hands-on technical lead responsible for the mechanical engineering of modular process and water-treatment equipment packages from proposal and concept development through detailed design, fabrication, testing, and project closeout. The role requires strong skid-engineering capability across pressure vessels and other static equipment, valves, piping systems, package layout, and fabrication execution. The successful candidate will translate client requirements into safe, practical, code-compliant, and manufacturable solutions while providing technical leadership to multidisciplinary project teams, designers, suppliers, and fabrication partners

This position will be based at our Calgary Water Solutions location.

Principle Responsibilities and Duties

Lead mechanical engineering for modular skids and packaged systems, including vessels, tanks, piping, supports, platforms, and equipment interfaces.
Develop and review mechanical specifications, datasheets, design calculations, material selections, BOMs/MTOs, and technical documentation.
Review 3D models, layouts, piping isometrics, fabrication drawings, and equipment designs for constructability, operability, maintainability, and transportation requirements.
Ensure designs comply with applicable codes, standards, client specifications, and project requirements.
Prepare technical requisitions, evaluate vendor proposals, and complete technical bid evaluations.
Provide technical support to fabrication facilities and subcontractors, including resolving shop queries, non-conformances, and design changes.
Participate in design reviews, shop inspections, pressure tests, FATs, hazard reviews, and lessons-learned activities.
Coordinate with process, piping, electrical, instrumentation, structural, procurement, quality, project engineering, and project management teams.
Deliver mechanical engineering work within project scope, schedule, budget, and quality requirements.
Support proposals with concept development, preliminary sizing, technical clarifications, risk identification, and cost/manhour estimates.
Establish and maintain standardized package designs and engineering practices to support efficient and cost-effective project execution.
Provide technical leadership and communicate with clients, suppliers, inspectors, engineering partners, and internal stakeholders.

Qualifications

Bachelor’s degree in Mechanical Engineering and Professional Engineer (P.Eng.) registration with APEGA, or eligibility to obtain APEGA registration upon joining.
12+ years of progressive mechanical engineering experience in EPC, packaged equipment, fabrication, or detailed engineering environments, including proposal support, cost optimization, standardization, and product/package development.
Demonstrated experience in the design and integration of pressure vessels, static equipment, valves, piping systems, and modular skid packages, with strong fabrication and shop-support expertise.
Working knowledge of applicable pressure equipment and piping codes, standards, and client specifications, with experience in produced water treatment, oil-water separation, filtration, hydrocyclones, flotation, pumping, or similar process-treatment systems.
Hands-on experience with mechanical design and analysis tools such as COMPRESS, PV Elite, and CAESAR II, including preparation and review of engineering calculations and technical documentation.
Proficiency in 3D plant design and CAD systems, including AutoCAD, CADWorx, or similar platforms, with the ability to review and develop engineering and fabrication deliverables.
Strong knowledge of materials, welding, corrosion control, coatings, insulation, inspection, testing, pressure-equipment documentation, Canadian fabrication practices, regulatory requirements, and coordination with authorized inspectors, vendors, fabrication subcontractors, and external engineering consultants.
Strong written and verbal communication skills, including the ability to prepare clear technical reports and represent the company in client, supplier, and fabrication meetings.
Ability to manage competing priorities and deliver accurate work in a fast-paced, project-driven environment
Ability to travel occasionally to client, supplier, fabrication, and project sites.
Ability to work in office, shop, and project-site environments and follow all applicable safety requirements.
Candidates must be legally entitled to work in Canada

About Us:

Transforming Energy for a Sustainable Future. Enerflex is a premier integrated global provider of energy infrastructure solutions, covering gas processing, compression, power generation, refrigeration, cryogenic, energy transition, and water solutions. We proudly employ more than 5,000 highly skilled employees across over 25 countries worldwide.

Enerflex places its core Values of Integrity, Commitment, Creativity, and Success into action across all aspects of the business. Our innovation, strong commitment to safety, and superior service to our customers positions us as the optimal partner to meet the needs of the dynamic energy industry.

We foster a culture of ensuring our employees have the tools to do their jobs right, but to also thrive in their roles. We pride ourselves in our competitive wages, extensive rewards programs, celebration of successes of individuals and teams, and are committed to ensuring Enerflex remains a safe and inclusive space for all.

What Enerflex Offers You:

Values Based Organization
Competitive Compensation
Safety Focused Culture
Incentive Programs
Professional Development Opportunities
Collaborative in office work environment, supportive team members

Enerflex is an Equal Opportunity Employer

Enerflex grants equal employment opportunity to all qualified persons without regard to race, color, sex, age, national origin, religion, genetic information, mental or physical disability, or any other characteristic protected by applicable federal, state, or local law. Equal employment opportunities are provided in recruitment, hiring, promotions, wages, benefits, and other terms, conditions, and privileges of employment.

Disclaimer

The above statements are intended to describe the general nature and level of work being performed by people assigned to this job. They are not intended to be an exhaustive list of all responsibilities, tasks, duties, knowledge, skills, and abilities required.

Please visit our website at www.enerflex.com for more information.

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More about this job

Responsibilities

Lead the mechanical engineering of modular process and water-treatment equipment packages from concept through fabrication and testing. Provide technical leadership to multidisciplinary teams while ensuring designs meet safety, code, and project requirements.

Requirements

Requires a Bachelor's degree in Mechanical Engineering and P.Eng. registration with APEGA. Candidates must have 12+ years of progressive experience in EPC or packaged equipment environments with expertise in pressure vessels and piping systems.

Skills

Mechanical engineering
Modular skid design
Pressure vessels
Piping systems
Static equipment
Technical leadership
Project management
CAD
AutoCAD
CADWorx
COMPRESS
PV Elite
CAESAR II
Fabrication support
Code compliance
Water treatment

Benefits

Competitive compensation
Incentive programs
Professional development opportunities

Visa sponsorship

Not detected in the job text

Keywords

Mechanical Engineering
Modular Skids
Pressure Vessels
Piping Systems
Static Equipment
EPC
Water Treatment
COMPRESS
PV Elite
CAESAR II
AutoCAD
CADWorx
Fabrication
Technical Bid Evaluation
Project Engineering
Material Selection
BOM
MTO
Constructability
Operability
Maintainability
Regulatory Requirements
Welding
Corrosion Control
Coatings
Insulation
Pressure Testing
FAT
Hazard Reviews
Energy Infrastructure

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