Senior Manager, Commercial Contract Administrator

Diversified Energy Company is a U.S.

-based independent energy company listed on the New York Stock Exchange (NYSE) and London Stock Exchange (LSE) under the ticker symbol "DEC." Headquartered in Birmingham, Alabama, Diversified acquires, operates and optimizes long-life natural gas and oil assets, supported by integrated midstream and marketing operations. Our disciplined approach focuses on improving the environmental and operational performance of the assets we operate and, at the end of their productive lives, retiring them safely and responsibly.

With field operations across major energy-producing regions of the United States, our teams are committed to safe, efficient and responsible operations.

The Senior Manager, Commercial Contract Administrator supports the Marketing organization by managing the full lifecycle of commercial agreements tied to natural gas, crude oil, NGLs, gathering, processing, transportation, storage, and related services. The role is focused on contract assignments for new asset integrations, renewals and terminations, commercial-term review, and contract-management projects. This position partners closely with Marketing, Legal, Accounting, Operations, Midstream, and other internal teams to promote business continuity, accurate records, and timely execution.

Key Responsibilities:

• Coordinate contract assignments, consents, amendments, and counter party communications for acquisitions, divestitures, and other asset integrations.
• Maintain a complete inventory of commercial agreements, including ownership, status, effective dates, expiration dates, renewal provisions, and notice requirements.
• Manage contract renewals, extensions, terminations, and related notice processes to ensure deadlines and business decisions are addressed on time.
• Review and summarize key commercial terms, including pricing, fees, volume commitments, term, termination rights, notice requirements, and other material obligations.
• Work with Marketing and Legal to identify assignment requirements, contractual risks, missing documentation, and terms that may require clarification or renegotiation.
• Support due diligence and Day 1 readiness by organizing contracts, tracking open items, establishing counter party contacts, and coordinating execution activities.
• Ensure executed agreements, amendments, notices, and supporting documents are accurately filed and reflected in contract-management systems and trackers.
• Prepare contract summaries, status reports, obligation calendars, and management updates for internal stakeholders.
• Lead or support internal contract-management projects, including template development, process standardization, data cleanup, system enhancements, and audit support.
• Coordinate with Accounting and commercial teams when contract terms affect invoicing, settlements, accruals, revenue reporting, or other recurring processes.

• Bachelor's degree in Business, Finance, Accounting, Legal Studies, Energy Commerce, or a related field, or equivalent relevant experience.
• Experience in contract administration, commercial operations, energy marketing, legal operations, land, accounting, or a related function preferred.
• Strong organizational skills with the ability to manage multiple agreements, deadlines, counter parties, and work streams simultaneously.
• Ability to read contracts, identify key commercial terms, summarize obligations, and escalat[e] issues clearly.
• High attention to detail, sound judgment, and consistent follow-through.
• Strong written and verbal communication skills and the ability to work effectively across functional teams.
• Proficiency in Microsoft Excel, Word, and contract/document management tools; oil and gas or energy industry experience is preferred.

Contract lifecycle management | Commercial analysis | Asset integration support | Cross-functional coordination | Document control | Process improvement | Risk awareness | Deadline management

• Prolonged periods working at a desk in front of a computer.

• Must be able to lift up to 15 pounds at a time.