Senior Completions Engineer, Thermal Oil

Overview of Athabasca Oil Corporation

Athabasca Oil Corporation (“AOC”) is a unique liquids-weighted intermediate energy producer. At AOC, we proudly and responsibly produce Canadian energy to improve people’s lives. We are passionate, take ownership of our work, get things done and are great at what we do.

Athabasca currently produces ~39,500 boe/d with a significant growth program underway. Athabasca has exposure to Canada’s premier resource plays. Thermal Oil boasts >1 billion barrels of top quartile reserves and a deep inventory of future projects. In addition, in December 2023 Athabasca announced the creation of Duvernay Energy Corporation, a private subsidiary company. Duvernay Energy is a unique standalone self-funded entity that offers investors pure-play exposure to the Kaybob Duvernay play and is expected to grow to over 15,000 bbl/d by 2030. Strategically Athabasca has two companies with independent strategies and capital allocation frameworks.

AOC has positioned itself with strong financial liquidity of ~$466 million (including $335 million in cash), putting it in an enviable position relative to its peers. The company is resilient to commodity price volatility and is expecting to generate ~$1.1 Billion of free cash flow over the next five years, while funding its growth initiatives. All free cash flow is currently returned to shareholders in the form of share buybacks. The combination of production growth and reduced share count is resulting in cash flow per share growth. The corporate strategy is to continue to grow our assets, generate significant free cash and provide superior returns to shareholders over the long term. Sustainability is core to the business with strong governance and a commitment to reducing emissions through its technology roadmap.

Athabasca has a track record of transformative projects including JV’s, M&A, royalties, and unique marketing arrangements. AOC offers a dynamic and exciting work environment for the right candidate. AOC is publicly traded on the TSX under the symbol “ATH” with a market capitalization of $3.7 Billion.

Senior Completions Engineer, Thermal Oil

We are currently recruiting for a Senior Completions Engineer, reporting to the Manager, DCS. This role provides senior technical leadership and execution support for thermal well completions, recompletions, workovers, and abandonments across the Thermal Oil asset base.

The successful candidate will serve as a key technical authority, bridging engineering design and field execution while maintaining accountability for well integrity throughout the asset lifecycle. Working within a multidisciplinary team, this role supports the continued advancement of AOC’s Thermal Oil assets toward high netback, sustainable production through optimized recovery, operational excellence, and continuous improvement. This position is a full-time office-based position located in Calgary with travel to site as needed to support operations and evaluate technological applications.

Responsibilities:

- Work collaboratively with multifunctional technical teams to design, direct, and execute completions.

- Lead the development, engineering and continuous optimization of well completion, workover and abandonment programs.

- Evaluate emerging technologies and best practices to improve well performance, reliability, and cost efficiency.

- Prepare detailed cost estimates, AFEs and execution forecasts.

- Prepare and execute completion, workover, and abandonment programs.

- Ensure that the completion operations are compliant with all regulatory requirements and company HSE policies and procedures.

- Support regulatory submissions as required.

- Ensure that safety is paramount on all operations and activities.

- Perform detailed engineering analysis and modeling (Torque and drag, scenario-based design iterations).

- Track and ensure accuracy of daily activity and financial reporting in WellView through daily surveillance and steward to management.

Qualifications:

- Minimum 10 years of experience in thermal well completions, workovers, and abandonments.

- Professional Engineer (P.Eng) registered with APEGA. • Strong knowledge of thermal well design, execution, and integrity management.

- Demonstrated experience providing field execution support and operational decision making.

- Proven ability to manage costs, AFEs, schedules, and vendor performance.

- Experience with WellView; GeoScout experience is considered an asset.

- Strong communication, leadership, and cross-functional collaboration skills.

- High attention to safety, regulatory compliance, and operational discipline.

- Valid Well Service Blowout Prevention and H₂S Alive certification.

- Legally entitled to work in Canada.

We offer an exciting and entrepreneurial work environment and an array of projects in our portfolio. To apply for this position, please email your cover letter and resume/CV to careers@atha.com by February 20, 2026. with “Senior Completions Engineer” in the subject line.

Athabasca Oil Corporation is an equal opportunity employer.