Accounting Manager

Holtec International • Winslow Township, NJ

15d • Onsite

About The Position

The Accounting Manager is responsible for overseeing accounting operations and financial reporting across the family office, real estate, captive insurance, and nuclear decommissioning trust investment platforms. This shared services role supports the CIO organization and works closely with external accounting firms and the data coordination function. Reporting directly to the Chief Investment Officer, the role includes one direct report. The Accounting Manager will play a key role in building a best-in-class accounting and reporting function across a complex, multi-entity platform at a critical and exciting stage of growth.

Requirements

• 7 or more years of accounting experience — family office, asset management, fund accounting, or financial services background strongly preferred
• CPA designation required or actively pursuing
• Strong technical accounting skills — experience with investment accounting, partnership accounting, or multi-entity structures
• Experience with illiquid asset classes including private equity, private credit, real estate, and alternatives preferred
• Familiarity with nuclear decommissioning trust accounting and regulatory requirements a plus
• Proficiency with investment accounting platforms — Addepar or similar strongly preferred
• Strong organizational skills and attention to detail — ability to manage multiple entities and reporting timelines simultaneously
• Undergraduate degree in accounting or finance required — CPA or advanced degree preferred
• Excellent communication skills — ability to present financial information clearly to non-financial stakeholders including family principals

Nice To Haves

• Family office, asset management, fund accounting, or financial services background strongly preferred
• Experience with illiquid asset classes including private equity, private credit, real estate, and alternatives preferred
• Familiarity with nuclear decommissioning trust accounting and regulatory requirements a plus
• Proficiency with investment accounting platforms — Addepar or similar strongly preferred
• CPA or advanced degree preferred

Responsibilities

• Oversee accounting and financial reporting across Mariner Strategic Investments, the nuclear decommissioning trust portfolios, real estate holdings, and captive insurance pools
• Manage the monthly accounting close process — coordinating with external accounting firms (UHY and others) and internal stakeholders
• Prepare and review financial statements, performance reports, and management accounts for the CIO, family principal, and senior management
• Coordinate capital call processing, cash flow management, and custodian reconciliations across investment pools
• Manage and develop the data coordination associate — overseeing data accuracy, reporting workflows, and information governance
• Maintain accounting records and documentation in compliance with applicable standards and internal policies
• Support the build-out of internal accounting systems, processes, and controls as the platform grows
• Liaise with external accountants, custodians, and administrators — including UHY, Morgan Stanley, BMO, Northern Trust, JPM, and Principal
• Support tax reporting coordination across investment entities in partnership with external advisors

Benefits

• Industry‑leading medical, dental, and vision coverage with a generous employer premium contribution and Day 1 eligibility!
• FLEX Program – Hybrid work opportunities available for eligible roles, where business needs and role requirements allow
• 401(k) retirement plan with up to a 5% company match and immediate vesting to support long‑term financial security
• Paid time off and 11 paid holidays to support rest, balance, and recharge
• Wellness program offering rewards for participation in company‑supported health initiatives
• Commuter benefits supporting mass transit and commuter parking options
• Company‑paid life and AD&D insurance for added peace of mind
• Education assistance to support continued education and professional growth
• Employee support and voluntary benefits, including an Employee Assistance Program and optional coverage such as disability, legal, identity theft, and insurance programs

What This Job Offers

• Job Type: Full-time
• Career Level: Manager