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J MAR’s client, a growing midstream oil and gas company operating pipeline and natural gas processing infrastructure, seeks a hands-on Assistant Controller to oversee day-to-day accounting operations and drive accurate, timely financial reporting. This role will manage outsourced accounting functions, including accounts payable, plant accounting, and treasury, alongside review of revenue and invoicing tied to pipelines, processing facilities, and disposal systems. The Assistant Controller will lead monthly close, manage accruals and journal entries, coordinate account reconciliations, establish internal controls, and serve as primary contact for the annual external audit. Beyond core accounting, this role acts as the key liaison between Accounting and Operations and takes ownership of special projects supporting company growth.

The successful candidate will bring a minimum of seven years of progressive midstream accounting experience, with a public accounting background and/or prior exposure to natural gas plant and pipeline operations. This position reports directly to the CFO, and offers a clear path to grow into the Controller role as the company expands.

KEY RESPONSIBILITIES:

• Oversee outsourced accounting operations, including accounts payable, plant accounting, and treasury.
• Review revenue and invoicing related to pipelines, processing facilities, and disposal systems.
• Manage and review monthly accruals and journal entries.
• Lead monthly close processes and ensure timely, accurate financial reporting.
• Coordinate and review monthly account reconciliations.
• Serve as the key liaison between Accounting and Operations teams.
• Establish and document internal controls and processes.
• Organize audit documentation and serve as the primary contact for the annual external audit.
• Take ownership of special projects that support company growth and execution.

QUALIFICATIONS:

• Bachelor’s degree in Accounting. CPA preferred.
• Strong accounting and supervisory or managerial experience in energy.
• Familiarity with midstream operations (pipelines, storage, gas processing).
• Strong Microsoft Excel skills (pivot tables and data manipulation).
• Experience in a small or lean organization is a plus.
• Willingness to actively perform accounting tasks, not just oversee them.
• Ability to work across a wide range of responsibilities.
• Proven experience working with external auditors and audit preparation.
• Clear, professional communication skills, internally and externally.
• Proactive team player with a roll-up-your-sleeves attitude.
• Desire and ability to grow into the Controller role as the company scales.

Why Join This Company?

• Proven leadership team with a track record of building and monetizing successful midstream assets.
• Opportunity to make a direct impact and gain broad exposure across accounting, operations, and strategy.
• Highly competitive base salary, performance-driven bonus, and potential for future incentive opportunities.

About J MAR:

Celebrating 30+ years, J MAR & Associates is a trusted leader in energy recruiting. We’ve helped midstream and energy companies build strong teams for over three decades. Learn more: https://jmarassociates.com/about/