Reservoir Engineer

INEOS • Denver, CO

6d • $185,000 - $235,000 • Hybrid

About The Position

We are seeking a skilled and motivated Subsurface Manager to play a pivotal role in shaping and scaling our US onshore development program. This is a hands-on role for a strong reservoir engineer who wants real ownership. This high-impact position will lead and develop a small team while owning critical development tracking, capital budgeting, and reserves processes. You will drive accountability across active development pads, lead the capital forecast and capital budget submission process, oversee corporate reserves, and provide essential insight for lender, capital markets, and executive reporting. With significant visibility across the business and direct influence on investment decisions, you will help translate subsurface expertise into disciplined, value-creating development plans.

Requirements

• Bachelor’s or master’s degree in Petroleum Engineering, Chemical Engineering, or a related technical field.
• Minimum of eight years of upstream oil and gas experience with an operator, including at least three years in reservoir engineering, asset development engineering, or a closely related discipline.
• Strong technical expertise in reservoir analysis, development planning, economic evaluation, capital forecasting, and reserves processes.
• Strong proficiency with ComboCurve, ARIES, reservoir modeling platforms, Spotfire, Power BI, and Microsoft Office.
• Exceptional communication and interpersonal skills, with the ability to build credibility across disciplines, translate complex technical analysis into clear recommendations, and influence decisions at all levels of the organization.
• Demonstrated leadership capability through mentoring, collaboration, project leadership, or influencing multidisciplinary teams.
• Strong analytical and problem-solving skills, with the ability to work confidently with complex datasets, exercise sound judgment, and adapt to new challenges and technologies.
• Demonstrated commitment to maintaining high standards of safety and environmental responsibility.

Nice To Haves

• Familiarity with SQL, Python, or other data analytics tools is considered an asset.
• Prior people-management experience is welcomed but not required; we are equally open to a highly capable technical professional who is ready to step into their first formal leadership role.

Responsibilities

• Manage, coach, and develop a Reservoir Engineer and Senior Development Geoscientist, setting clear priorities and ensuring high-quality technical analysis across development planning, capital allocation, and reserves.
• Own development tracking and project accountability across active development pads, including permitting status, land clearance, and engineering milestones. Maintain the Pad Readiness tracking process, proactively identify risks and dependencies, and partner across functions to support on-time execution.
• Lead the monthly capital forecasting process, tracking actual spend against budget, identifying opportunities to reallocate or repurpose capital, and preparing and refining capital budget submissions for Finance.
• Lead and perform economic evaluations and reservoir analyses, including decline curve analysis and type-curve development, to inform development decisions, capital budgeting, and reserves.
• Lead the corporate reserves process, including database management, Lease Operating Statement models, economic model runs, and documentation sufficient to support internal and external audits.
• Support reserve-based lending redeterminations and other capital markets activities by responding to lender and bank-engineering inquiries, preparing Lease Operating Statement updates, and coordinating with third-party reserve auditors and legal counsel to ensure reserve values and technical disclosures are accurate and well-supported.
• Develop clear, decision-ready technical materials for ExCo approval packages, post-investment pad lookbacks, and other internal and external stakeholder updates.
• Champion compliance with safety and environmental requirements while promoting a strong culture of safety across all activities.

Benefits

• Healthcare, dental, and vision insurance for employees and eligible dependents.
• Several other wellness, financial, and work/lifestyle-specific benefits.
• 401(k) retirement with an automatic 6% company contribution and a match of up to an additional 6% of eligible compensation.
• Generous paid time off that includes both sick and vacation which is based on and increases, with industry experience.
• Opportunity for a company-wide annual discretionary bonus, of up to 50% of eligible pay.
• Potential to participate in the Long-Term Incentive Plan with annual awards, vesting over three years.
• Relocation assistance may be available.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level