Risevoic
Senior Actuarial Analyst
Company : Nautilus Insurance Company
Location : Chesterfield, MO, 63017
Job Type : Full Time / Part Time
Date Posted : 14 January 2026
Company Details
Why MEC?
At Midwest Employers Casualty (MEC), we combine the stability of a Fortune 500 company with the agility of an innovative team. We are passionate about improving the quality of life for employees severely injured on the job and helping companies understand and mitigate risk. Our culture values collaboration, curiosity, and continuous learning. If you want to make an impact, work on meaningful projects, and grow your career in a supportive environment, MEC is the place for you.
Company URL: https://www.mecasualty.com
Responsibilities
We have an opportunity for a Senior Actuarial Analyst to join our MEC team with a primary focus on Research and Innovation. This role is ideal for someone who thrives on advancing strategy through analytics and technology. You will help to maintain and enhance our pricing model and account impact testing system, while contributing to projects that support both Actuarial and broader company initiatives, including predictive modeling and Generative AI applications.
This position will also offer exposure to our Reserving team, with potential for future rotation into core work for this critical function. You will work on projects that move MEC forward, leveraging advanced programming and actuarial skills to deliver insights that shape business decisions.
MEC offers a highly competitive actuarial exam study program, with salary adjustments for exam success.
Core Responsibilities
- Maintain and improve MEC’s pricing model and account testing system, ensuring accuracy and scalability.
- Lead research-driven projects that advance company strategy, including predictive modeling and Generative AI initiatives.
- Lead and coordinate complex actuarial analyses for pricing, modeling and research functions.
- Collaborate with Actuarial leadership on innovation opportunities and special projects.
- Ensure data integrity and optimize processes for efficiency and accuracy.
- Communicate complex findings clearly to technical and non-technical stakeholders.
- Provide exposure and support to Reserving functions, with potential for future rotation.
- Stay current on emerging technologies and actuarial best practices.
Qualifications
- Bachelor’s or master’s degree in mathematics, statistics, actuarial science, or a related quantitative field.
- Pursuit of actuarial designation through the Casualty Actuarial Society or Society of Actuaries (General Insurance track only) is required (CAS preferred).
- 5+ years related work experience preferred.
- Advanced knowledge in actuarial reserving and ratemaking methodologies.
- Strong programming skills in SQL and Python (required).
- Experience with predictive modeling techniques and Generative AI applications preferred.
- Familiarity with business intelligence and related tools (Power BI) a plus.
- Experience with programming collaboration tools like Git a plus.
- Advanced analytical and problem-solving skills.
- Excellent communication skills, able to convey technical concepts clearly.
- Ability to manage multiple priorities and deliver results in a dynamic environment.
- Collaborative mindset with a passion for innovation.
Work Conditions
- Location: Chesterfield, MO
- Hybrid work environment
Additional Company Details
We do not accept any unsolicited resumes from external recruiting agencies or firms. The actual salary for this position will be determined by a number of factors, including the scope, complexity and location of the role; the skills, education, training, credentials and experience of the candidate; and other conditions of employment.Sponsorship Details
Sponsorship not Offered for this RoleRelated Jobs
Senior Actuarial Analyst (Reinsurance Treaty Pricing) (Multiple Positions)
Nautilus Insurance Company
Stamford, CT
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Frequently asked questions
At Nautilus Insurance Company, the Senior Actuarial Analyst leverages generative AI to enhance predictive modeling and innovate pricing strategies. This integration helps in producing more accurate risk assessments and streamlining data-driven decision-making within the actuarial team.
Balancing remote and on-site collaboration can pose communication and workflow challenges. In Chesterfield’s hybrid setting, an Actuarial Analyst must adapt to asynchronous teamwork, ensuring data integrity and seamless coordination across physical and virtual teams while maintaining productivity.
Employers in Chesterfield, MO, especially in insurance sectors, highly value candidates pursuing the Casualty Actuarial Society (CAS) credentials, particularly for senior roles. Holding or progressing toward CAS certification often enhances competitiveness and aligns with local industry standards.
Senior Actuarial Analysts typically demonstrate advanced proficiency in SQL and Python, along with expertise in reserving and ratemaking methodologies. Their role demands leading complex analyses and innovating through predictive modeling, setting them apart from entry-level analysts focused on foundational tasks.
Progressing to a senior position involves shifting from routine data handling to strategic leadership in analytics. Senior analysts spearhead research projects, coordinate cross-functional teams, and apply advanced programming to influence pricing models and company-wide actuarial initiatives.
Nautilus Insurance fosters career advancement by offering competitive actuarial exam study programs with salary incentives, exposure to reserving functions, and opportunities to lead innovative projects. The culture emphasizes continuous learning and collaborative innovation, aiding skill development.
The role uniquely combines core actuarial principles with cutting-edge technology like generative AI and advanced programming in Python and SQL. This fusion drives improved pricing models and predictive analytics, pushing forward both innovation and foundational risk assessment methodologies.
Senior Actuarial Analysts in Chesterfield generally earn between $95,000 and $130,000 annually, depending on experience and certification progress. Market demand for advanced analytical skills and actuarial expertise influences compensation within the insurance industry locally.
Nautilus Insurance attracts highly skilled candidates due to its Fortune 500 stability and innovative culture, making the hiring process competitive. Local demand for actuarial professionals with strong programming and predictive modeling abilities adds to the selective recruitment environment.
Nautilus Insurance emphasizes a blend of strategic innovation and employee development, with a focus on generative AI applications and a robust actuarial exam support program. This approach offers a unique mix of technological advancement and career growth opportunities in a collaborative setting.