Senior Actuary, P&C Reserving - General Liability & Umbrella

As a team member in Finance at Nationwide , a Fortune 100 company with nearly $70 billion in annual sales, the opportunities are endless! Let Nationwide help create your career journey! At Nationwide ®, “on your side” goes beyond just words.

Our customers are at the center of everything we do and we’re looking for associates who are passionate about delivering extraordinary care. Nationwide is hiring a Sr Actuary, P&C Reserving to join the General Liability and Umbrella Reserving team.

This group sits within Nationwide ’s P&C Commercial Lines and NWAG organization and plays a critical role in supporting profitable growth and long-term financial strength across the enterprise.

This is a high-impact Sr Actuary role, with leadership responsibility, as well as visibility to actuarial and business leadership. It offers the opportunity to own meaningful reserving work, influence decisions across Commercial Lines and NWAG portfolios, and help advance how the organization uses actuarial insight.

Key Responsibilities

Own the design, execution, review, and communication of reserve analyses for assigned General Liability and Umbrella business, including quarterly, annual, and ad hoc studies at the line, segment, program, and portfolio levels.

Manage a business and grouping of reserves, applying sound actuarial judgment to evaluate reserve adequacy, volatility, uncertainty, and key drivers of change.

Lead the selection, application, and documentation of actuarial methods and assumptions

Assess incomplete, noisy, or changing data and determine when additional diagnostics, alternative methods, scenario analysis, or management judgment are needed.

Monitor and interpret emerging experience, including severity, frequency, claim closure patterns, social inflation, large loss activity, litigation trends, reinsurance changes, exposure shifts, and claims-handling developments.

Translate technical findings into clear, actionable recommendations for Commercial Lines, NWAG, Claims, Finance, Risk, Pricing, Underwriting, and Product leaders.

Partner with Pricing, Underwriting, and Product teams to strengthen connectivity between reserving insights, rate adequacy, underwriting strategies, and portfolio management.

Provide thought leadership on reserving practices, methodologies, assumptions, diagnostics, and emerging casualty trends.

Help evolve reserving tools, data, and processes by partnering with Actuarial Modernization, Data, and Technology teams to improve automation, reproducibility, controls, and visualization.

Qualifications

Strong knowledge of P&C actuarial reserving techniques, particularly for long-tailed casualty lines such as General Liability and Umbrella.

Demonstrated experience leading reserve studies and evaluating the adequacy of reserves for complex or multi-segment portfolios.

Ability to combine quantitative analysis with actuarial judgment when data is incomplete, volatile, or affected by changing business conditions.

Proficiency with actuarial and data tools such as Excel, SQL, R, Python, SAS, Arius, or similar platforms; experience with automation, reproducibility, and visualization is valued.

Ability to challenge, refine, and clearly document assumptions, methodologies, and recommendations.

Business and Collaboration Skills

FCAS designation required

P&C actuarial experience in commercial lines, casualty, reserving, or a closely related analytical area; experience with General Liability and Umbrella is a plus.

Ability to work directly with business partners and serve as a thought leader on complex actuarial topics.

Proven ability to communicate technical concepts clearly to non-actuarial audiences, both in writing and verbally.

Strong relationship-building and collaboration skills across Actuarial, Claims, Finance, Risk, Pricing, Product, Underwriting, and Technology.

Comfort presenting recommendations, responding to challenge, and influencing decisions with sound actuarial judgment.

Demonstrated project leadership, independent ownership, and the ability to navigate a changing environment.

This role is ideal for an experienced actuarial professional who enjoys owning complex reserving work, applying judgment to long-tailed casualty portfolios, and turning actuarial analysis into business insight. The strongest candidates will be technically credible, independently driven, comfortable working with imperfect data, and energized by mentoring others and partnering with leaders across the P&C enterprise.

This role does not qualify for employer sponsored work authorization. Nationwide does not participate in the STEM OPT extension program.

This position can be staffed remotely for potential applicants with critical industry skills and relevant experience.

Job Description Summary

Our Property and Casualty (P&C) Actuarial team members have opportunities to use state-of-the-art tools, are encouraged to innovate and learn to master actuarial methodologies. If this sounds like a place you could thrive, then we want to know more about you!

As a Senior Actuary, you’ll be an expert and will provide leadership direction and oversight for the creation and performance of complex actuarial techniques and procedures and risk analysis. You’ll manage research and direct others to ensure efficient, consistent and integrated data and analysis.

We’ll count on you to provide a strategic vision for the team and deliver business recommendations that are crucial to the success of Nationwide and the protection we provide our customers. You’ll work independently and may lead others (directly and/or indirectly). Job Description

Key Responsibilities

Acts as technical expert of actuarial methodologies allowing the ability to source and manipulate data within standard requirements. Identifies new ways to utilize data driving overall strategic vision.

Conducts complex analyses adhering to actuarial standards by selecting appropriate data sources, making assumptions, recognizing considerations, and developing recommendations. Accountable for resolving unreasonable results/non-optimal solutions using experience and professional judgment. Analysis conducted will be used to influence broad strategic vison of Nationwide .

Accurately documents assumptions, methods, sources and considerations in an organized fashion.

Creates cohesive presentations and recommendations of actuarial findings that are suitable for technical and non-technical audiences at the OCFO leadership level. May professionally represent company's position with regulators, auditors and external vendors. May negotiate within defined parameters.

Responsible for strategic development and oversite of multiple work plans ensuring accurate and timely delivery of product.

Strategic leader of peer review process. Responsible for driving collaboration cross functionally, identifies gaps in process, recommends and implements changes as needed to ensure quality work.

Builds strategic business relationships at all levels of the organization to drive solution delivery

Responsible for identifying skill gaps and developing training materials to develop associates skills for future business needs.