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Willis Towers Watson

Senior Catastrophe Model Developer

Our Analytics and Model Development (AMD) specialists concentrate on Willis Re"EURTMs catastrophe model building and the development of analytical tools. The team is comprised of individuals with expertise in hydrology, atmospheric science, seismology, spatial analytics, economics and software development. We are a growing, multi-national team in Willis Re, comprised of enthusiastic, dynamic and team oriented individuals who work closely with the Willis Research Network fellows to translate the latest science and technology into client solutions. AMD constantly advances in-house modelling solutions, combining insurance industry experience with expert knowledge, to quantify the financial impact of natural and man-made catastrophes on our clients"EURTM portfolios across the world. The key focus is on building models where no reliable risk quantification tools exist using our technical expertise coupled with innovative product design.

The Role

The Senior Catastrophe Model Developer will work within the Analytics and Model Development team of Willis Re to support clients and brokers across our international business in order to identify and quantify catastrophe risk.

Key responsibilities
  • Catastrophe model development for peril risk quantification (preferably flood)
  • Working with account teams to deliver bespoke risk solutions to clients
  • Presenting technical solutions to internal and external clients in a digestible format
  • Contributing to the development and maintenance of our proprietary modelling platform
  • Project management of development work
  • Undertaking management tasks with a view to building further management responsibility
  • Building capability by sharing knowledge and experience with more junior team members
  • Collaborating with academic and industry partners
  • Liaising with offices and teams world-wide, which could involve local and overseas travel
The Requirements
  • Significant experience within an analytical environment in a commercial role with a focus on catastrophe model development
  • Proven track record of catastrophe model calibration and validation as well as interpretation of loss estimates
  • Knowledge of insurance and reinsurance terms and business
  • Strong project management, delivery and execution skills
  • Effective communication techniques applied in internal and external client meetings
  • Demonstrated ability to work under pressure, multi-task and prioritise project work
  • Experience in working across different time zones and with teams in overseas locations
  • The ability to work in a team and autonomously, and general willingness to learn and grow within a global market leader
Advantageous Skills
  • Understanding of the business and regulatory context of modelling processes
  • Understanding of the physics of natural catastrophes (flood, earthquake, wind/hail, etc.)
  • Experience in vendor catastrophe model evaluation and adjustment
  • Experience with migrating catastrophe models to different modelling platforms (OASIS, platform upgrade)
  • Ability to read and understand code (R, Python, C++)
  • GIS software experience (ArcGIS, QGIS) 
  • Relational database management systems experience (SQL)
The Company

Willis Towers Watson is a leading global advisory, broking and solutions company that helps clients around the world turn risk into a path for growth. With roots dating to 1828, Willis Towers Watson has 40,000 employees serving more than 140 countries. We design and deliver solutions that manage risk, optimize benefits, cultivate talent, and expand the power of capital to protect and strengthen institutions and individuals. Our unique perspective allows us to see the critical intersections between talent, assets and ideas "EUR" the dynamic formula that drives business performance. Together, we unlock potential. Learn more at

Willis Towers Watson is an equal opportunity employer

Willis Towers Watson believes that effectively managing a diverse workforce is vital to our business strategy. We have an obligation to our organization, ourselves and our clients to hire and develop the best people we can find. We will continually review our policies and practices to ensure that all areas of the employment process (including recruiting, hiring, work assignments, compensation, benefits, promotions, transfers, company-sponsored development programs and overall workplace experience) are free from discriminatory practices. We are committed to equal employment opportunities at Willis Towers Watson.

Unsolicited Contact: Any unsolicited resumes/candidate profiles submitted through our web site or to personal e-mail accounts of employees of Willis Towers Watson are considered property of Willis Towers Watson and are not subject to payment of agency fees. In order to be an authorized Recruitment Agency/Search Firm for Willis Towers Watson, any such agency must have an existing formal written agreement signed by an authorized Willis Towers Watson recruiter and an active working relationship with the organization. Resumes must be submitted according to our candidate submission process, which includes being actively engaged on the particular search. Likewise, for our authorized Recruitment Agencies/Search Firms, if the candidate submission process is not followed, no agency fees will be paid by Willis Towers Watson. Willis Towers Watson is an equal opportunity employer.

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