Sr Reservoir Engineer - Plano, TX

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Are you looking for a career in a dynamic and innovative company that values versatility, growth, and teamwork? Look no further than Delek US Holdings!

We are a boutique-sized diversified downstream energy company with a range of assets, including petroleum refining and logistics.

Our refineries in Texas, Arkansas, and Louisiana have a combined crude capacity of 302,000 barrels per day

Our logistics business currently owns and operates
720 milesof crude and product pipelines, a 600-mile crude oil gathering system, and storage tanks and terminals.

We offer fantastic benefits that include up to a 10% match on 401K on your hire start, with a vesting timeline of only one year, along with medical benefits that start on day one with a 30% premium rebate annually! We value your well-being and all employees now have access to the Calm app for FREE, which is used for meditation, stress management, and better sleep.

Through our performance management program, you can earn additional annual incentives as you set and achieve goals. Our pay for performance culture motivates our employees to improve Delek’s year-over-year company, business unit, and individual results. With some of the highest bonus payouts in recent years, we know that our success is due to our talented and dedicated team. We are looking for individuals like you to help us continue this momentum and bring new ideas to the table.

At Delek, you will have the opportunity to make an impact and grow your career in a supportive and innovative environment.

• Job Code:
• Effective Date: 01/12/2026
• Job Family:
  Engineering
• FLSA Status:
  Exempt
• Job Level: Professional III

The Sr. Reservoir Engineer is responsible for providing critical analysis and forecasting to support the company's midstream operations and growth strategies. This position focuses on evaluating producer well forecasts, studying reservoir performance, and analyzing fluid characteristics, with a particular emphasis on the Permian basin (Delaware and Midland). The insights generated by the Reservoir Engineer directly inform long-term planning, development engineering, business development activities, and process optimization efforts.

The Sr. Reservoir Engineer must balance the needs of various internal customers with potentially conflicting and overlapping priorities through stakeholder engagement prioritization frameworks.

• 4 year / Bachelor's Degree (Required)
• Master's Degree (Preferred)
• In lieu of the above education requirements, an equivalent combination of education and experience may be considered.
• Eight (8) or more years midstream or upstream oil & gas experience (Required)
• Preferred Certifications/Licensures: (Professional Engineering Licensure)

• Forecast Analysis & Validation
• Long-Term Strategic Forecasting
• Reporting and Documentation
• Mentorship and Guidance
• Best Practices and Technology
• Overnight travel to company locations and facilities for meetings, training, special projects, emergency planning, or information gathering will be required. Must maintain a valid driver’s license. Must be willing to submit to DOT random drug & alcohol screening.
• Leads the technical review of all producer forecasts in a key operational area, resolving complex discrepancies and challenging assumptions where necessary.
• Owns and refines forecasting models, incorporating advanced reservoir analysis techniques.
• Designs and builds comprehensive Long Term Planning forecast models by integrating market trends, well permit data, and advanced analysis.
• Presents forecasting results and technical recommendations to leadership and commercial teams.
• Own reservoir field development planning and SWD well placements.
• Proactively assesses fluid characteristics across systems to identify and recommend optimization opportunities to process engineering.
• Design and deliver effective reservoir engineering practices (Fluid characterization, Reservoir Surveillance, Production Forecasting, Material Balance, Reservoir Simulation, Reserves Estimation) to support all exploration, development,…