Assistant Controller

About OPAL Fuels

OPAL Fuels (Nasdaq: OPAL) is a leader in the capture and conversion of biogas into low‑carbon intensity RNG and renewable electricity. OPAL Fuels is also a leader in the marketing and distribution of RNG to heavy‑duty trucking and other hard to de‑carbonize industrial sectors. For additional information, and to learn more about OPAL Fuels and how it is leading the effort to capture North America’s naturally occurring methane and decarbonize the economy, please visit

We are seeking a skilled Assistant Controller to support core accounting operations, financial reporting, and the monthly close process. Reporting to the Business Controller, this role plays a key part in maintaining accurate financials, overseeing joint‑venture accounting, strengthening processes and controls, and supporting a rapidly growing organization. The ideal candidate brings strong technical account expertise, experience in complex corporate environments, and the ability to operate with precision in a fast‑paced setting.

• Lead the monthly, quarterly, and annual close processes, to ensure timely and accurate results.
  • Oversee close workflow and reconciliation processes within the close management system, ensure compliance with internal controls.
  • Review journal entries and account reconciliations across subsidiaries.
  • Ensure adherence with U.S. GAAP and internal accounting policies.
• Prepare monthly internal management reporting packages
• Support quarterly and annual external financial statement reporting.
• Oversee accounting for joint‑venture projects, including monthly reporting, allocations, and partner requirements
  • Manage key JV partner responsibilities
  • Review revenue invoicing reviews, royalty statements, and related supporting documentation.
  • Manage recurring financial packages for joint ventures and internal stakeholders.
• Support accounting for environmental credit transactions.
• Manage key relationships with business operations team and senior leadership.
• Manage and provide guidance and oversight to accounting seniors and staff.
• Manage internal and external audit requests and support SOX compliance.
• Drive process improvement, strengthen internal controls, and support scaling of the finance function.

• Bachelor's degree in Accounting, CPA required; MBA preferred
• 8+ years of progressive accounting experience;
  Big 4 public accounting experience required
• Industry experience in energy, infrastructure, or capital‑intensive sectors is strongly desired
• Strong knowledge of U.S. GAAP and internal controls SOX practices.
• Experience with ERP systems, preferably Net Suite, and financial systems controls
• Highly organized with strong analytical communication, and problem‑solving skills.
• Ability to thrive in a dynamic, high‑growth environment.

Monday - Friday; standard business hours. This role is expected to work in the office hybrid, at least 3 days per week. This requirement may change based on business needs.

The physical demands described are representative of those required by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Work is performed in an office environment and requires the ability to operate standard office equipment and keyboards. Position requires substantial movements of the wrists, hands, and/or fingers as necessary. Employee is required to perform activities such as preparing and analyzing data and figures; transcribing; viewing a computer terminal, and extensive reading. Must be able to remain in a stationary position for an extended period.

Full‑time

The range for this role is anticipated to be $ - $ per year annually with bonus for eligible positions. Where a specific pay range is noted, it is a good faith estimate at the time of this posting. The actual salary offered will be based on experience, skills, qualifications, market / business considerations, and geographic location.

• Health Insurance
• Dental Insurance
• Vision Insurance
• Life Insurance
• Short & Long Term Disability
• 401(k) plus Matching Contributions
• Tuition Assistance
• Referral Bonus
• Generous Paid Time Off
• Ten Paid Holidays per year

OPAL Fuels LLC is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, creed, national origin or ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, citizenship, past, current, or prospective service in the uniformed services, genetic information, or any other characteristic protected under applicable federal, state, or local law.