Assistant Controller

Opal Fuels•White Plains, NY

14d•$130,000 - $160,000•Hybrid

About The Position

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.

Requirements

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 NetSuite, and financial systems controls
Highly organized with strong analytical communication, and problem-solving skills.
Ability to thrive in a dynamic, high-growth environment.

Nice To Haves

MBA preferred
Industry experience in energy, infrastructure, or capital-intensive sectors is strongly desired

Responsibilities

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 requirement
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.