Role Summary
Support the North America Programs and Delegated Authority business's profit and growth objectives by providing end-to-end actuarial ownership and portfolio-level governance for strategic portfolio relationships. North America Programs has been tasked to scale to $1B in GWP by 2030, and this role is a critical enabler of that growth, providing actuarial oversight for strategic portfolio relationships that are typically large and complex in scale and central to the North America Programs and Delegated Authority business.
The Portfolio Actuary partners closely with Underwriting, Exposure Management, Reserving, Finance, Claims, and Operations teams to ensure these select strategic relationships are underwritten to appropriate risk and return standards, and that pricing adequacy and performance monitoring support profitable scale.
Externally, the role is a visible actuarial point of contact with key strategic partners, helping to drive analytical and performance cadence, resolve issues, and strengthen day-to-day engagement across the relationship.
Key Responsibilities
Portfolio Actuarial Ownership
- Serve as the single point of actuarial accountability for a large program portfolio across regions and functions.
- Act as a partner across underwriting, exposure management, reserving, and finance to ensure alignment on risk, return, and strategic objectives.
Portfolio Governance & Performance
- Provide actuarial oversight across the full program lifecycle, including onboarding, ongoing vetting, and forward-looking portfolio planning.
- Own program- and portfolio-level evaluation of risk, return, and capital efficiency, delivering clear recommendations on pricing adequacy and portfolio mix.
- Deliver regular monitoring and performance analyses (rate change, loss trends, exposure growth, and market dynamics) to identify issues and opportunities.
- Provide actuarial support for alternative capital structures, including profitability considerations and reporting requirements.
- Oversee actuarial evaluation and governance of individual program profit-sharing arrangements.
- Serve as the primary actuarial liaison with internal and external partners on data flows, reporting, and portfolio analytics.
- Maintain and enhance portfolio benchmarks, metrics, and reporting frameworks.
- Provide independent actuarial vetting of all new program opportunities to ensure disciplined growth and adherence to target return thresholds.
Qualifications
- Bachelor's degree required.
- Associateship (ACAS) or Fellowship in the Casualty Actuarial Society (FCAS) required.
- Overall, 5-7 years of progressively more responsible actuarial experience.
- Sound knowledge of actuarial techniques and standards, as well as broad business operations (underwriting, finance, claims, reserving, legal, operations).
- Familiarity with programs/delegated authority business, alternative capital structures, and/or Lloyd's/London market strongly preferred.
- Advanced communication skills: demonstrated ability to convey complex information clearly and concisely, and to influence senior management and stakeholders across regions and functions.
- Ability to lead independently and operate with accountability across a complex, global, multi-stakeholder portfolio.
- Ability to develop creative solutions to unique and complex problems, often when data is limited.
- Ability to drive teamwork and collaboration across departments, functions, and geographies.
- Ability to establish and build effective relationships within and outside the organization.
Qualifications
- Bachelor's degree required; Master's degree preferred.
- Associateship or Fellowship in the Casualty Actuarial Society (ACAS/FCAS) or comparable education/designation with relevant experience.
- Minimum 5-7 years relevant experience required.
- Sound knowledge of actuarial techniques and standards, as well as other business operations including financial, underwriting, legal, statistics, claims, sales, etc.
- Advanced communication and interpersonal skills and ability to build relationships and interact effectively with others within and outside the organization.
- Ability to motivate and mentor peers and motivate and train subordinates.
- Advanced computing skills (MS Office Excel, SAS, etc.) with ability to build complex models.
About Us
Pay Philosophy: The typical starting salary range for this role is determined by a number of factors including skills, experience, education, certifications and location. The full salary range for this role reflects the competitive labor market value for all employees in these positions across the national market and provides an opportunity to progress as employees grow and develop within the role. Some roles at Liberty Mutual have a corresponding compensation plan which may include commission and/or bonus earnings at rates that vary based on multiple factors set forth in the compensation plan for the role.
At Liberty Mutual, our goal is to create a workplace where everyone feels valued, supported, and can thrive. We build an environment that welcomes a wide range of perspectives and experiences, with inclusion embedded in every aspect of our culture and reflected in everyday interactions. This comes to life through comprehensive benefits, workplace flexibility, professional development opportunities, and a host of opportunities provided through our Employee Resource Groups. Each employee plays a role in creating our inclusive culture, which supports every individual to do their best work. Together, we cultivate a community where everyone can make a meaningful impact for our business, our customers, and the communities we serve.
We value your hard work, integrity and commitment to make things better, and we put people first by offering you benefits that support your life and well-being. To learn more about our benefit offerings please visit: https://www.libertymutualgroup.com/about-lm/careers/benefits
Liberty Mutual is an equal opportunity employer. We will not tolerate discrimination on the basis of race, color, national origin, sex, sexual orientation, gender identity, religion, age, disability, veteran's status, pregnancy, genetic information or on any basis prohibited by federal, state or local law.
Fair Chance Notices
- California
- Los Angeles Incorporated
- Los Angeles Unincorporated
- Philadelphia
- San Francisco
$120,000.00 - 225,000.00
Skills Required
- Bachelor's degree
- Associateship (ACAS) or Fellowship in the Casualty Actuarial Society (FCAS)
- Minimum 5-7 years of progressively responsible actuarial experience
- Sound knowledge of actuarial techniques, standards, and broad business operations (underwriting, finance, claims, reserving, legal, operations)
- Advanced computing skills (Microsoft Excel, SAS, Microsoft Office) with ability to build complex models
- Advanced communication skills and ability to influence senior management and stakeholders
- Ability to lead independently and operate with accountability across complex, multi-stakeholder portfolios
- Ability to develop creative solutions to complex problems with limited data
- Ability to drive teamwork and collaboration across departments and geographies
- Ability to motivate, mentor peers, and train subordinates
- Familiarity with programs/delegated authority business, alternative capital structures, and/or Lloyd's/London market
- Master's degree
Liberty Mutual Insurance Compensation & Benefits Highlights
-
Parental & Family Support — Paid bonding leave covers 8 weeks for all parents, with birth parents receiving up to 16 weeks at 100% pay, alongside substantial family‑building support such as up to $40,000 for adoption/surrogacy and fertility coverage up to $50,000 medical/$25,000 pharmacy.
-
Retirement Support — The 401(k) structure includes a 100% match up to 5% each pay period plus an additional 3% year‑end contribution for eligible employees, and student‑loan payments can be matched in the same way as 401(k) contributions.
-
Healthcare Strength — Comprehensive medical, dental, and vision offerings are paired with robust mental‑health resources, including an Employee Assistance Program and 12 free therapy sessions for employees and family members, with on‑site health centers in Boston and Plano.
Liberty Mutual Insurance Insights
What We Do
Liberty Mutual Insurance exists to help people embrace today and confidently pursue tomorrow. A Fortune 100 company and global leader in property and casualty insurance, we’ve spent over a century creating innovative products, services and technologies to meet the world’s ever-changing needs and make a difference for our customers and communities.
Why Work With Us
We offer the agility, work flexibility, project ownership and access to emerging tech you’d expect from a start-up — combined with the stability, resources and benefits that come from working at a leading Fortune 100 company. All in a welcoming, inclusive environment that values the unique insights, perspectives and backgrounds of each person.
Gallery
Liberty Mutual Insurance Teams
Liberty Mutual Insurance Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.























