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Mechanical Engineer

Position Description:

As a Senior Mechanical Engineer at Integrated Sustainability, you will be an integral part of the execution team, developing technical solutions in the water, waste and energy fields. Project focus within the team is on water treatment, filtration, transportation and chemistry for industrial and municipal applications.

Your experience in the industry and/or consulting, as well as your project and people skills will enable you to make a difference in our industry and inspire new and better ways to implement engineering and water management solutions.

Key Responsibilities:

  • Contribution and authentication of mechanical & facilities deliverables: Design Basis, input to PFD’s, P&ID’s, and Material Balance, input to Process Control Narratives, Line Lists, Tie-In Lists, Mechanical Equipment Lists, Mechanical and Instrument Datasheets.
  • Sizing and selection of mechanical equipment for complex large-scale recreation, processing, and water treatment projects.
  • Experience in and contribution to piping design and materials selection.
  • Experience in rotating equipment sizing and selection including high volume compression and pumping system.
  • Preliminary design, and detailed design of water treatment plants in western Canada and elsewhere.
  • Process optimization studies and troubleshooting.
  • Interface with other departments as required to develop and implement multi-disciplinary projects.
  • Supervise and mentor junior and intermediate engineers.
  • Establish cost and schedule for project deliverables.
  • Assist with proposal development.
  • Project engineering, project management opportunities will be available for the right candidate.

Position Requirements:

  • Bachelor’s Degree in mechanical engineering from an accredited post-secondary institution.
  • Minimum of 6+ years applicable experience in industrial water treatment, mining water treatment and/or oil and gas industry.
  • Registration with the Association of Professional Engineers and Geoscientists of Alberta (APEGA) and/or Engineers and Geoscientists British Columbia (EGBC); experience and/or registration with U.S bodies including Texas and California is considered and asset.
  • Committed team player with experience in working in a leadership role within a multi-disciplinary engineering team.
  • Excellent English communication skills, and experience in preparing and reviewing technical reports.
  • Proven leadership and communication skills, with strong client communication skills.
  • Flexibility to take multiple roles: Mechanical Lead, Technical Reviewer, Project engineering, Project Management.
  • Experience in water treatment technology design and specification is a requirement.
  • Experience in materials selection for chemical and corrosive service.
  • Experience in design and installation of skim tanks, water filtration including membrane and regenerative media filtration and oil/water separation equipment including dissolved air floatation is a requirement.
  • Demonstrable experience in chemical injection, slurry handling and sweetening technology is preferred.
  • Recent demonstrable experience in hydraulic calculations for both surface and pipeline designs is an asset.
  • Experience in design and implementation of industrial scale water treatment is an asset.
  • Facility commissioning and start-up experience is an asset.
  • Legally able to work in Canada

Integrated Sustainability

At Integrated Sustainability, we are building the future, sustainably. We believe in empowering lives, building resiliency, and protecting our most precious resources. As an award-winning provider of world-class sustainable Water, Waste and Energy solutions, our goal is to support clients from project conception to construction and beyond by being agile, collaborative partners.

Recognized as one of Canada’s Top 100 Small & Medium Employers for 6 years in a row, we believe that the people who work here are our greatest asset and every opportunity we have to be a better employer is an opportunity to succeed. Having attracted a dynamic, multi-disciplinary team of specialists, we believe that to be innovative, we must also be courageous, finding solutions and challenging conventional wisdom.

It’s About More Than Work

We are excited about what 2024 looks like for our organization and are looking for innovative, courageous professionals to join us.

You’ll get a competitive salary, health and dental benefits, a hybrid office/remote work environment, flexible work schedule and so much more.

We strive to build a culture where every employee is valued for their unique backgrounds, experiences, expertise, skills and passions – it’s what allows us to be leaders in innovative solutions. If you require accommodation during the selection process, please let our People & Culture team know.

We thank all candidates for their interest in Integrated Sustainability; however, only those candidates who are selected will be contacted.

Mechanical Engineer 


Integrated Sustainability is committed to being a diverse, equitable, and inclusive employer. The data collected below will provide information to evaluate diversity, equity, and inclusion in our recruitment strategies and will allow us to identify patterns and trends and address barriers that may impede an individual’s success in the talent acquisition processes. The information collected will be kept confidential and will not be used to exclude candidates from the talent acquisition process.


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