Worker Type: Employee

Job Post End Date: 09/02/2025

About this opportunity:

Cenovus Energy is seeking a Mass Balance and Energy Optimization Engineer who stewards the Lima Refinery and individual operating unit mass balance. The responsibility of this position includes the running and sustainment of modeling software to monitor balances, identify flow instrumentation in error, follows up with driving maintenance priorities or project development to correct errors and generation of a reconciled refinery mass balance. In addition, this role will liaison with the refinery commercial team to keep abreast of refinery margin conditions and pricing updates. This position is expected to drive commercial objectives of the process engineering team within operating plans and optimizing margin capture against energy cost and operating constraints.

Interested in working in Lima? Learn more!

What you’ll do:

Sustain refinery wide mass balance model to statistically identify meters in gross error
Engage refinery business and maintenance teams to prioritize meter repairs
Coordinates with yield analyst to track and report monthly mass loss identified in commercial reporting. Identifies and acts on opportunities to minimize hydrocarbon loss through either improved operation or project development
Leads refinery initiatives to reduce greenhouse gas emissions
Effective at influencing process unit energy optimization without direct authority
Leverage refinery holistic view to drive business unit process engineer optimization of their units to right size energy consumption and minimize product giveaway
Integrate with refinery commercial group to stay abreast of market and refinery market conditions and keep the process engineering team priorities aligned
Maintain pricing references for the process engineering team to be used for daily optimization and project evaluations

Who you are:

Legally authorized to work in the US
Chemical Engineering degree required
4+ years of refinery or related process unit experience with a wide range of refinery operating units, their operating conditions, stream qualities and yields
Process simulation such as Hysys, Petrosim and Romeo
Working knowledge of instrumentation and malfunction mechanisms
Experience with PI and PI Asset Framework
Some level coding to facilitate automation of data collection and analysis
Excels at influencing without authority to convince business units to spend their budget money on your initiatives

We acknowledge the value of transferrable skills and may consider equivalent combinations of experience and education should you not meet a specific requirement.

Note: The application deadline for this position is 11:59 PM MT September 1, 2025.

Internal candidates that are currently in a lower grade will be assessed based on their sustained job performance, how they demonstrate the expected organizational competency behaviors and values and in discussions with their current leader prior to resolving next steps.

Cenovus was ranked one of Canada’s Best Employers in 2025. We’re committed to being an employer of choice in our industry by offering a competitive total rewards package and employee programs and rewarding career development opportunities. Learn more.

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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.

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.

Find Cenovus on LinkedIn, Facebook and Instagram.

The Cenovus experience

Total rewards

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

Generous paid vacation
Annual bonus
Retirement 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

Our development philosophy

We foster a culture of continuous learning and development to support employees as they build meaningful careers. We offer a variety of employee development initiatives, including:

Internal course offerings
Education assistance for additional development
Opportunities to work on special projects
Leadership development programs for emerging and established leaders

We actively promote internal job movement, recognizing the value of gaining new perspectives, building connections across teams, and applying expertise in new ways. As a fully integrated energy company, we believe that sharing knowledge across our business and operations creates stronger outcomes—for employees and for the company as a whole.

Our culture

Our purpose: We energize the world to make people’s lives better.
Our values:
- Protect what matters
- Do it right
- Make it better
- Do it together

Cenovus Cares: 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.
- Support causes you care about with volunteer opportunities in and outside of work.
- Earn donation grants while volunteering (up to $1,000 per event).
- Receive donation matching up to $25,000 annually.

Staff resource groups: We have various staff resource groups to help ensure our people feel a sense of belonging and can grow and do their best work. These voluntary groups are employee-led and all groups are open to all staff in all locations.

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.

For more information about working at Cenovus, visit cenovus.com.

The requirements of this posting may be modified to support business needs. Title and compensation administration will be based on the skills and capabilities of the successful incumbent.

Interested in this opportunity? Click the Apply link.

If you are a CURRENT EMPLOYEE, please apply by going to our Internal Career Site.