Senior Project Engineer – Process – Engineered Systems – Enerflex – Calgary, AB



Full Job Description

Enerflex is looking for a Senior Engineer – Process to lead engineering projects in a high energy manufacturing environment. This is a contract position for 6 to 12 months. This role is responsible for the overall process performance of a sour deep cut plant and will be responsible for generating and authenticating plant PFD’s and H&MB. In addition, this role will review and provide support to the projects team as required, including but not limited to the following areas:

  • Gas sweetening
  • Mole Sieve gas dehydration
  • Deep cut – GSP and RSV
  • High vapour pressure NGL’s
  • Acid gas injection
  • Condensate stabilization
  • Mercaptan removal
  • Hydrate mitigation
  • Heat medium loop including waste heat recovery
  • Flare modeling

Principle Responsibilities and Duties

This role will offer the right candidate variety in their daily work life, learning opportunities and the chance to add value to our current gas processing projects. We require someone with strong communication skills, matched with sound problem solving and decision-making skills. Your ability to lead by influence, mentor, be organized, establish clear objectives and monitor key measures, will enable you to deliver the results you need to be successful in this role. You must be able to work effectively within a multi-stakeholder environment and seek to be collaborative on all fronts.

  • Design process flow and piping / instrument diagrams
  • Review general arrangements and 3D model
  • Ensure accuracy, completeness and timeliness on responsible projects
  • Take part in HAZOP and SIL review meetings
  • Implement project specifications
  • Size PSV’s and control valves based on process information
  • Size vessels and piping based on process information
  • Complete final checks on P&ID’s Models and other project deliverables


  • 10+ Years of experience with an Engineering Degree or Technical Diploma
  • Current Professional engineer designation (P. Eng.)
  • Working knowledge of gas processing and fabrication
  • Experience in plant layout and how it relates to equipment design
  • Experience sizing pumps, heat exchangers, Air coolers, and compressors required
  • Experience in pressure vessel and piping design is required
  • ASME Section VIII and B31.3 helpful but not required
  • Experience sizing pressure relief valves, control valves and piping is required
  • Proficient with Aspen HYSYS, Aspen Flare System Analyzer and Promax

Candidate must be able to work in a customer centered team environment. Focus is on projects being accurate, complete and timely.

With a foundation of integrity, the candidate would use commitment and creativity to drive our organization forward. This position will be located at our 4700 47 Street SE Calgary, AB location.

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.


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 for more information.

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