Senior Engineer, Relief Valves & System Technical Authority

About the role

Cenovus Energy is seeking a Relief Valve & Relief Systems Technical Authority based in our Ohio refineries to support downstream operations, with emphasis on our Ohio refineries. This role leads pressure relief device training, oversees the relief systems technical assurance program, and supports sites through risk reviews, HAZOPs, and technical consultations. The position also focuses on building organizational capability through mentorship and training.

What you’ll do

• Serve as the Relief Valve Technical Authority, providing expert pressure relief engineering support across downstream sites.
• Serve projects and operations through technical reviews, troubleshooting, and approval of relief device sizing and system calculations, setting and implementing engineering technical practices, and drive integrated, pragmatic solutions focused on risk management, operating efficiency, defect elimination and standardization.
• Lead the development and maintenance of training and technical assurance programs for pressure relief sizing and downstream systems.
• Evaluate and approve API 520/521 and flare system design exceptions, overseeing the exception-approval process at each site.
• Participate, on an as-needed basis, in HAZOPs, flare risk assessments, and investigations to support safe and reliable operations.
• Standardize and guide the creation of technical documentation for pressure relief and flare disposal systems.
• Collaborate regularly with operations, maintenance, inspection, and other SMEs to ensure consistent technical practices.

Who you are

• Legally authorized to work in the US
• Bachelor’s degree in chemical engineering or a related engineering discipline
• 8+ years of experience with refining, upstream, or petrochemical domain, with at least 3+ years of design experience in relief systems
• Expert or specialized knowledge of relief valve calculations and relief systems is mandatory
• Lesser experience may be considered if the experience is more concentrated on Relief systems and flares
• Working knowledge of pressure relief device sizing, selection, and disposal systems; experience with relief system calculations
• Good working knowledge of process simulation tools such as PetroSim, HYSYS, PRO-II, or Aspen Flare Analyzer, AFT Fathom, etc.
• Understanding of core process engineering deliverables (PFDs, P&IDs, heat and material balances, hydraulic calculations, overpressure scenarios)
• Strong knowledge of relevant industry standards (e.g., API 520/521, API RP 576) with willingness to deepen expertise
• Experience with front-end project development and equipment design
• Strong technical communication skills with the ability to collaborate effectively across operations, maintenance, and engineering teams

Who we are

Cenovus is an integrated energy company headquartered in Calgary. We’re committed to maximizing value by developing our assets in a safe, responsible and cost-efficient manner. We operate in Canada, the United States and the Asia Pacific region. Our downstream operations include upgrading, refining and marketing operations in Canada and the United States. We are currently the largest refiner in Ohio and transport products from our refineries in Lima and Toledo, Ohio and Superior, Wisconsin via pipelines, rail cars and trucks to customers throughout the United States. Other operations include oil sands projects in northern Alberta, thermal and conventional crude oil and natural gas projects across Western Canada, crude oil production offshore Newfoundland and Labrador and natural gas and liquids production offshore China and Indonesia.

Note

Note: The application deadline for this position is 11:59 PM MT April 12, 2026. If you require accessibility assistance to complete the on-line application or otherwise apply for an open position with Cenovus, its subsidiaries and affiliates, please email careeropportunities@cenovus.com.

About Cenovus

We are committed to being an employer of choice through competitive compensation and our comprehensive total rewards package, including:

• Generous paid vacation
• Annual bonus
• Retail savings plan matching
• Long-term incentives
• Medical & dental coverage
• Life insurance
• Disability benefits
• Employee assistance program
• Virtual healthcare coverage
• Generous leave of absence programs
• Fitness membership reimbursement
• Eligibility for Total Rewards varies by position.

Our culture

We believe in the power of purpose-driven work. Our Employee Giving and Volunteering Program, Cenovus Cares, connects our people to our purpose, inspiring action and elevating impact year-round.

Equal opportunity employer

We believe a workplace where everyone has merit-based opportunities to grow, achieve career aspirations and feel a sense of belonging benefits our people, our company and the regions where we live and work. We embrace and encourage different perspectives and approaches, which help us make better business decisions. We believe that through this approach, we can solve challenges, seize opportunities and unlock innovative solutions. To achieve an unbiased and respectful workplace, individuals are evaluated based on qualifications, merit and abilities, and we encourage applications from all qualified candidates. We also acknowledge the value of transferrable skills and may consider equivalent combinations of experience and education should you not meet a specific requirement.

Interested in this opportunity?

If you are interested in this opportunity, click the Apply link. If you are a CURRENT EMPLOYEE, please apply by going to our Internal Career Site.