Assistant Controller

This is a full-time, on-site position in Casper, Wyoming.

About Us

At True Oil LLC, we do more than just power America—we live by the values that built it. Rooted in the rugged landscapes of the Rocky Mountain region, we take pride in doing things the right way: with honesty, grit, and a handshake you can count on. We're part of a family of companies under True Companies, where hard work is honored, teamwork is celebrated, and integrity is the foundation of everything we do. Whether you're in the field, the office, or somewhere in between, you’ll find a supportive environment where your work matters and your growth is encouraged. Join us and be part of a company that’s been fueling progress and opportunity for generations—while staying true to its roots.

Why You'll Love Working Here

We don’t just offer jobs—we offer a future. As part of the True companies family, you'll enjoy a generous, well-rounded benefits package designed to support your life in and out of work.

• Competitive health coverage
• Dental/vision insurance
• Up to 4 weeks of vacation
• Sick leave
• Paid holidays
• 401(k) with employer match
• Company-paid life and disability insurance
• Profit sharing
• Tuition reimbursement

We believe in rewarding hard work and supporting your future. We take care of our people—because we know they’re the heart of everything we do.

Responsibilities

• Provide support to our sister company Bridger Pipeline LLC.
• Oversee the accounting team, managing day-to-day operations.
• Ensure that work is completed efficiently and according to established guidelines and procedures.
• Coordinate and assign tasks to team members.
• Provide training and guidance.
• Monitor employee performance and address concerns or conflicts that arise.
• Act as a bridge between higher-level management and subordinates, relaying information and ensuring objectives are met.
• Prepare and review forecasts and budgets.
• Review reports and schedules to ensure the accuracy of day-to-day transactions.
• Review and approve direct reports’ work, including vouchers, schedules, etc.
• Reconcile, identify, and resolve issues within accounts.
• Journal voucher preparation of accounts directly related to area of responsibility.
• Work with operations and the accounting group to resolve problems.
• File state and federal reports as required.
• Assist with financial statement preparation, forecasts and budgets, payroll costing, and annual close and audit preparation.
• Assist with / oversee creation of accounting documentation and SOP’s.

Requirements

• A bachelor’s degree in accounting or equivalent education with five (5) or more years of accounting experience; or an equivalent combination of education and/or experience may be considered.
• Advanced proficiency in accounting principles.
• Complete understanding of industry-specific accounting principles and experience with overall GL.
• Project and task management skills and the ability to supervise subordinates and their work over multiple areas of accounting.
• Attention to detail.
• Ability to effectively communicate verbally and in writing with the ability to work in a team environment.
• Leadership, supervisory, and training skills (preferred).

Skills

• Advanced computer proficiency with a working knowledge of Microsoft Outlook, Word, Excel software applications.
• Understanding of Accounting Information Systems/ERP.
• English language fluency, verbal and written.

Additional Eligibility Qualifications

• Acceptable results of a pre-employment background check and drug/alcohol test.