Principal Solutions Engineer

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).

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