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Added 4 hours ago
TO
Engineering Manager
Town of Pelham
Fonthill, ON
- Full-time
Prepare reports, presentations, recommendations, and technical briefings for senior management and Town Council and sit on various committees, as required
Added 5 hours ago
AG
Director, Mine Engineering
Artemis Gold - Blackwater Project
Vancouver, BC
- Other
The Director serves as the company's senior technical authority on mine engineering and provides mentorship, guidance, and governance to site-based engineering teams.
Added 5 hours ago
PE
Project Coordinator, Renewables
PRI Engineering
Toronto, ON
- Full-time
Build and maintain project schedules, and coordinate field work and technologist scheduling with the Senior Geotechnical Engineer who leads the technical team.
Added 6 hours ago
V|
Senior Project Manager - Industrial Water
Veolia | North America
Oakville, ON
- Full-time
Working closely with the Lead Engineer and Sourcing Project Leader, you direct and coordinate all activities on a given project, beginning with contract signature and following through…
Added 6 hours ago
E
Associate Director, Project Execution
EPCOR
AB · Edmonton, Alberta
- Full-time
Reporting to the Senior Director, Engineering & Project Delivery, the Associate Director, Project Execution, provides strategic and operational leadership for the delivery of Electrical…
Added 7 hours ago
TL
Senior Mechanical / HVAC Engineer - PE/ EIT
Teksky LLC
Vancouver, BC
- $150,000 to $220,000 CAD / year
- Full-time
SENIOR MECHANICAL / HVAC ENGINEER – TEAM LEAD (HYBRID ROLE)
Added 7 hours ago
WI
Senior Structural Engineer, Buildings
WSP in Canada
Calgary, AB
- Full-time
…shape safe, resilient and high-performing buildings. In this senior role, you’ll contribute technical leadership throughout the project lifecycle, collaborate across disciplines, and help…
Added 7 hours ago
VE
Senior Project Manager - Industrial Water
Veolia Environnement SA
Oakville, ON
- Full-time
Working closely with the Lead Engineer and Sourcing Project Leader, you direct and coordinate all activities on a given project, beginning with contract signature and following through…
Added 8 hours ago
V|
Senior Project Manager - Industrial Water
Veolia | Water Tech
Oakville, ON
- Full-time
Working closely with the Lead Engineer and Sourcing Project Leader, you direct and coordinate all activities on a given project, beginning with contract signature and following through…
Added 8 hours ago
AC
Infrastructure & Capital Projects - Project Manager, COM
Accenture Construct
Ottawa, ON · Greater Ottawa Metropolitan Area
- Full-time
Manage assigned projects or project elements from initiation through completion in collaboration with the Senior Project Manager or Project Lead
Added 8 hours ago
A
Senior Process Engineer
Airswift
Calgary, AB
- Contract
We are seeking an experienced Senior Process Engineer for a long-term contract opportunity based in Calgary, Alberta. This role will support the development of major capital projects within…
Added 8 hours ago
PL
Project Engineer - PL#25394
Peter Lucas
Saskatoon, SK
- $140,000 to $165,000 CAD / year
- Full-time
The Project Engineer will support the successful delivery of sustaining and capital projects within a complex industrial environment. This role focuses on technical integration,…
Added 8 hours ago
W
Senior Structural Engineer, Buildings
WSP
Calgary, AB
- Full-time
…shape safe, resilient and high-performing buildings. In this senior role, you’ll contribute technical leadership throughout the project lifecycle, collaborate across disciplines, and help…
Added 9 hours ago
AG
Senior Project Engineer
Alamos Gold Inc.
Dubreuilville, ON
- Full-time
The Senior Project Engineer leads the engineering projects team and provides services to the mine operation by directing the management of capital and operating projects. He/she will report…
Added 9 hours ago
AG
Senior Mine Engineer
Alamos Gold Inc.
Dubreuilville, ON
- Full-time
The Senior Mining Engineer leads the mine planning team and provides services to the mine operation by directing the creation and implementation of the mine plan. He/she will report to the…
Added 9 hours ago
EC
Intermediate - Senior Structural Engineer
EnGlobe Corp.
Victoria, BC
- Full-time
Herold Engineering is looking for a Senior Structural Engineer with a minimum of 10 years of experience specializing in structures to work on a variety of projects; mainly in British…
Added 9 hours ago
A
Senior Project Manager
Airswift
Calgary, AB
- Contract
We are seeking an experienced Senior Project Manager, Project Development for a long-term contract opportunity supporting the development of strategic capital projects across gas…
Added 9 hours ago
TT
Senior Electrical Engineer
Torus Talent
Vancouver, BC · Greater Vancouver, BC
- $120,000 to $145,000 CAD / year
- Full-time
…multidisciplinary projects while taking increasing ownership of project delivery. There is significant opportunity for career progression, with the potential to grow into a Senior/Lead…
Added 9 hours ago
M-
Head of Engineering
Mitrex - Building-Integrated Solar Technology
Toronto, ON
- Full-time
We're looking for a Head of Engineering to lead the technical side of the business across both Mitrex (BIPV) and Cladify (rainscreen). You'll lead our design and drafting team, with the…
Added 10 hours ago
AG
Geotechnical/Tailings Management Engineer
Artemis Gold - Blackwater Project
BC
- Other
In conjunction with Engineer of Record, develop dam raise designs and carry out dam performance evaluations against expected design and operational outcomes.• Coordinating design and…
Added 10 hours ago
A
Technical Project Director
Arculen
ON · Ontario, Canada
- Full-time
Our client, an established nuclear services and engineering business, is seeking a Technical Project Director to lead and deliver technical work.
Added 11 hours ago
E
Principal Electrical Engineer - Battery Energy Storage Systems (BESS)
Enbridge
Calgary, AB · Toronto, ON
- Full-time
In this role, you will serve as a senior technical authority for electrical systems across our utility-scale battery energy storage portfolio. You will shape engineering standards and asset…
Added 11 hours ago
PC
Senior Mechanical Engineer - Buildings
Parsons Corporation
Markham, ON · Oakville, ON · Toronto, ON
- Full-time
Parsons is looking to hire a full-time dedicated Senior Mechanical Engineer to lead Infrastructure projects engineering work. The Senior Mechanical Engineer is broadly responsible for…
Added 12 hours ago
Sr. Mechanical Engineer
Enerflex Ltd
Canada
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…
Added 12 hours ago
Principal Solutions Engineer
Enerflex Ltd
Canada
Enerflex Water Solutions is seeking a seasoned Principal Solutions Engineer to drive the growth and technical excellence of our global Water Solutions business.

Enerflex Ltd

Principal Solutions Engineer

Canada

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Job details

Posting language: English
Posted: Oct 15, 2026

Original job description

Summary

Enerflex Water Solutions is seeking a seasoned Principal Solutions Engineer to drive the growth and technical excellence of our global Water Solutions business.

In this role, you will collaborate closely with the Sales and Business Development team to identify, pursue, and shape opportunities across key markets. You will engage early with customers to define technical requirements, develop conceptual process solutions, and articulate Enerflex’s value proposition. Working with our Applications Engineering and Proposals team, you will lead the development of optimized technical concepts and proposals that meet performance, quality, and commercial objectives.

This senior technical role requires deep expertise in produced water treatment and upstream oil/water separation processes, along with strong commercial awareness and the ability to translate technical designs into winning business solutions.

This position is based in Calgary, AB, with flexible hybrid work arrangements and up to 25% international travel to support client engagements and project development activities

Responsibilities and Duties

Develop conceptual process designs for produced water and oil treatment systems, encompassing the full process scope from three-phase separation to treated oil and water meeting BS&W, oil-in-water, and TSS specifications.
Perform process modelling, heat and mass balance calculations, and preliminary equipment sizing using Aspen HYSYS and other tools.
Evaluate and select suitable treatment technologies - with strong knowledge of conventional (e.g., hydrocyclones, flotation, filtration (Primary, Secondary, and Tertiary treatment)
Collaborate with Sales and Business Development to translate customer needs into fit-for-purpose technical solutions and compelling bids that highlight Enerflex’s differentiation.
Prepare process flow diagrams (PFDs), conceptual layouts, and high-level equipment lists to support proposal development and internal reviews.
Provide technical sales support through presentations, clarification responses, and client workshops.
Work cross-functionally with Engineering, Proposals, and Project Delivery teams to ensure conceptual designs are scalable and executable.
Support evaluation of commercial models, risk factors, and terms and conditions (T&Cs) to align solutions with profitability and company standards.
Maintain awareness of emerging technologies, alternative competitor offerings and market trends to continuously enhance Enerflex’s solution portfolio.
Represent Enerflex’s technical expertise at customer meetings, industry events, and seminars.

Qualifications

University Degree (or equivalent) in Chemical or Process Engineering or applicable discipline.
Senior level experience in produced water and oil treatment process design within the upstream oil and gas industry.
Professional Engineer (P.Eng.) designation is beneficial.
Proven experience developing conceptual designs and budgetary estimates for water treatment systems and process packages.
Proficiency with Aspen HYSYS and related process simulation tools.
Strong technical understanding of oil/water separation, solids removal, and water polishing technologies.
Demonstrated ability to engage with clients and internal teams to deliver technically sound, commercially competitive solutions.
Excellent communication, presentation, and proposal-writing skills.
Familiarity with EPC, DBOOM, and modular equipment supply business models.
Strong analytical, organizational, and problem-solving skills, with the ability to prioritize and meet deadlines.
Self-motivated, results-oriented, and capable of working independently with minimal supervision.
Proficiency in Microsoft Office (Word, Excel, PowerPoint, Outlook).

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

The Principal Solutions Engineer will lead the development of optimized technical concepts and proposals for water treatment systems while collaborating with Sales and Business Development. They will engage with customers to define technical requirements and represent Enerflex's technical expertise at industry events and client meetings.

Requirements

Candidates must have a university degree in Chemical or Process Engineering and senior-level experience in produced water and oil treatment within the upstream oil and gas industry. Proficiency in Aspen HYSYS and strong commercial awareness are essential for delivering competitive technical solutions.

Skills

Process engineering
Produced water treatment
Oil/water separation
Aspen HYSYS
Process modeling
Technical sales support
Proposal development
Conceptual design
Project development
Equipment sizing
Heat and mass balance
Upstream oil and gas
Commercial awareness
Technical writing
Presentation skills
Problem-solving

Benefits

Competitive compensation
Incentive programs
Professional development opportunities
Collaborative work environment

Visa sponsorship

Not detected in the job text

Keywords

Water treatment
Produced water
Oil/water separation
Aspen HYSYS
Process engineering
Upstream oil and gas
Three-phase separation
Hydrocyclones
Filtration
Process flow diagrams
EPC
DBOOM
Modular equipment
Technical sales
Proposal writing
Heat and mass balance
P.Eng.
Energy infrastructure
Process simulation
Solids removal
Water polishing
Commercial models
Risk management
Engineering design
Project delivery
Technical concepts
Business development
Process packages
Budgetary estimates
Energy transition

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