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Posted August 03, 2026

Senior Accountant

System One
Dallas, TX, US Full Time

Job Description

Job Description

Senior Accountant

System One is partnering with an oil & gas client seeking a Senior Accountant to support Gas Operational Accounting activities. This role is responsible for preparing and analyzing journal entries, account reconciliations, month-end close activities, financial reporting, variance analysis, and ensuring compliance with GAAP and internal accounting policies.

Key Responsibilities:

  • Prepare and analyze accounting entries and account reconciliations.
  • Support month-end close, financial reporting, and variance analysis.
  • Research and resolve accounting discrepancies while partnering with operational, commercial, and finance teams.
  • Assist with audits, reporting requests, and special projects.
  • Identify opportunities for process improvements, automation, and stronger internal controls.
  • Analyze financial and operational data to support business decisions and improve financial outcomes.

Requirements:

  • Bachelor’s degree in Accounting or Finance required.
  • 3+ years of accounting experience within the oil & gas industry required.
  • Midstream accounting experience highly preferred; upstream and downstream experience will also be considered.
  • Strong understanding of GAAP, financial reporting, and account reconciliations.
  • Advanced Excel skills required, including Pivot Tables, XLOOKUPs, and financial analysis.
  • Power BI experience required.
  • Strong analytical, problem-solving, and communication skills.
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law. Ref: #208-Rowland Tulsa

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