Senior Director of Investments

Holtec International • Winslow Township, NJ

3d • Onsite

About The Position

The Senior Director of Investments leads research, sourcing, and due diligence across the firm’s family office and nuclear decommissioning trust investment platforms. This is a hands-on, analytically rigorous role requiring deep investment expertise and a bottom-up approach to professional manager evaluation and selection. The position reports directly to the Chief Investment Officer and operates across Mariner Strategic Investments (family office) and the nuclear decommissioning trust portfolios. The Senior Director of Investments will partner closely with the CIO, with meaningful responsibility, visibility, and impact from day one. This role offers a unique opportunity to build and shape an institutional-quality manager research function within a dynamic and growing investment platform.

Requirements

• 10 or more years of direct, hands-on investment experience — family office, endowment, foundation, OCIO, or institutional investment management background strongly preferred
• Deep expertise in manager research and due diligence across multiple asset classes — demonstrated track record of manager selection and ongoing oversight
• Strong analytical and quantitative skills — ability to evaluate investment strategies, performance attribution, risk metrics, and portfolio construction independently
• Familiarity with both liquid and illiquid asset classes including private equity, private credit, hedge funds, real assets, and alternatives
• Experience managing external manager relationships and investment advisory firm oversight
• CFA designation or equivalent preferred
• Undergraduate degree required — advanced degree in finance, economics, or related field preferred
• Exceptional written and verbal communication skills — ability to present complex investment concepts clearly to senior stakeholders and family principals
• High integrity, discretion, and professionalism — experience operating in a family office or high-trust principal environment strongly valued

Nice To Haves

• Advanced degree in finance, economics, or related field preferred
• CFA designation or equivalent preferred
• Experience operating in a family office or high-trust principal environment strongly valued

Responsibilities

• Lead the sourcing, evaluation, and due diligence of external investment managers across public and private asset classes including equities, fixed income, private credit, real assets, and alternatives
• Develop and maintain a proprietary manager research framework with consistent evaluation criteria, scoring methodology, and documentation standards
• Conduct thorough bottom-up due diligence — reviewing investment philosophy, process, team, track record, risk management, operational infrastructure, and terms
• Support portfolio construction and asset allocation decisions in partnership with the CIO, including manager sizing, diversification, and rebalancing
• Monitor existing manager relationships — tracking performance, attribution, personnel changes, and strategy drift against mandate
• Manage the ongoing external investment advisory relationships including Morgan Stanley, BMO, Northern Trust, JPM, and others
• Prepare investment committee materials, manager reviews, and performance reports for senior management and family principal
• Stay current on market developments, emerging managers, and investment opportunities relevant to the portfolio

Benefits

• Industry‑leading medical, dental, and vision coverage with a generous employer premium contribution and Day 1 eligibility!
• 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: Senior