Actuarial Manager, Model Development

Posted Thursday, August 27, 2026 at 4:00 AM About Us: We’re a fast-growing, privately held insurance company on a path to becoming a leading U.S. retail platform. We believe every client and customer relationship holds the potential to become something greater—and the same is true for our people. As we grow, we’re redefining how great talent connects with meaningful work, enabling our ambitious strategy while building a culture of high performance, creativity, and partnership. If you're curious about how actuarial models drive financial reporting, business planning, and strategic decision-making, then this role offers the opportunity to help modernize actuarial capabilities while shaping the future modeling infrastructure of a growing life and annuity organization. About the Role: We’re looking for an Actuarial Manager, Model Development, to join our Actuarial Modeling team in a fast-paced, high-growth environment. In this role, you’ll be responsible for supporting all phases of the actuarial model development lifecycle, helping deliver high-quality models that support critical financial reporting, planning, and strategic initiatives across the organization. The ideal candidate is a technically strong actuary who enjoys solving complex problems, enhancing modeling capabilities, and modernizing actuarial infrastructure. You will play a key role in advancing Prosperity Life's actuarial architecture while helping improve the efficiency, scalability, and governance of end-to-end modeling processes. What You’ll Do: Actuarial Modeling & Financial Reporting Maintain and enhance actuarial models supporting Statutory reporting, including Cash Flow Testing and Principle-Based Reserves (PBR) Support models used for Embedded Value, Business Planning, and U.S. GAAP reporting under LDTI Ensure models are accurate, reliable, and aligned with business and reporting objectives Modeling Infrastructure & Process Improvement Streamline and automate legacy model input and output processes to improve efficiency and controls Develop and implement modeling standards, governance practices, and documentation Enhance the overall user experience and effectiveness of actuarial modeling tools Strategic Initiatives & Modernization Execute initiatives supporting Prosperity Life's future-state modeling platform strategy Lead and support model conversion efforts as part of ongoing actuarial modernization initiatives Contribute to projects focused on improving actuarial architecture, scalability, and operational effectiveness Analytics & Special Projects Support strategic initiatives including in-force management analysis, actuarial due diligence, regulatory field testing, and model validation Partner with stakeholders to provide modeling insights that inform business and actuarial decision-making Translate technical analyses into actionable recommendations for broader audiences What You Bring: Required Associate of the Society of Actuaries (ASA) 5+ years of actuarial experience in modeling, valuation, or a related actuarial discipline Strong analytical and problem-solving capabilities Excellent communication and business partnering skills Ability to balance technical execution with strategic thinking Proven ability to independently manage projects and deliver results Preferred Experience with MG-ALFA or similar asset-liability cash flow modeling platforms Familiarity with asset modeling concepts Experience with U.S. Statutory accounting, including PBR Experience with U.S. GAAP accounting, including LDTI Knowledge of life and annuity products Technical proficiency in SQL, R, and/or Python Core Competencies: Actuarial Modeling & Valuation Expertise: Applies deep actuarial modeling knowledge to support financial reporting, planning, and business decision-making across life and annuity products. Model Development & Architecture: Leads the enhancement, modernization, and governance of actuarial models and supporting infrastructure. Process Improvement & Automation: Identifies opportunities to streamline workflows, improve controls, and enhance efficiency through automation and tool development. Strategic Problem Solving: Connects technical details to broader business objectives and develops practical solutions to complex actuarial challenges. Cross-Functional Collaboration & Communication: Effectively partners with actuarial and business stakeholders and translates technical concepts into clear, actionable insights. Ownership & Execution Excellence: Demonstrates initiative, accountability, and the ability to independently drive projects in a dynamic, high-growth environment. What We Offer: A collaborative, inclusive environment that values authenticity, accountability, and partnership The opportunity to join the company at an exciting stage of growth, where colleagues are empowered to build what’s next A competitive benefits package including comprehensive medical, dental, and vision coverage; an HSA and 401(k) company match; paid time off; and employer-paid life and disability insurance Hybrid work arrangement based in the NYC area; remote work arrangements will be considered At Prosperity, we are committed to equal employment opportunity and encourage people from all backgrounds to apply. We make hiring decisions based on merit and do not discriminate on the basis of race, religion, color, national origin, gender identity, sexual orientation, age, disability, or any other protected status. We strive for a meaningful interview experience for all candidates. If you need an adjustment or accommodation due to a disability or medical condition during the hiring process, please let your recruiter know.