Careers with Sirius Companies

Sirius is a Bermuda-domiciled holding company whose operating companies offer capacity for most property, casualty, accident & health, marine, and aviation exposures. We provide new and attractive career opportunities in both US domiciled and Sweden based international operations.

What makes us unique and successful is our insistence on maintaining four guiding operating principles: underwriting integrity, a client-focused business approach, a disciplined capital management, and attracting and developing employees who think like owners. If you are interested in working with highly skilled professionals, an organization that offers innovative products, responsive service and capital financial strength, then you need to contact us!

If you would like to know more about a career with Sirius, click on one of our company or affiliate logos.

US Domiciled Career Opportunities:

Global Career Opportunities:

In addition to the career opportunities available at Sirius, you may also be interested in exploring job openings at other companies within the White Mountains family. While the companies are independently operated and managed, we all share a set of core values and principles, creating an environment where associates can experience career success.

In 2010, OneBeacon Insurance completed its transformation to a Specialty Lines carrier, generating new opportunities for our company and employees alike. Our rich history – dating back to 1831 and the Potomac Fire Insurance Company- and exciting future, combined with an entrepreneurial and dynamic culture makes OneBeacon a unique place to work. > more

Each of our Specialty teams is comprised of employees with deep skills regarding specific customer groups. Our philosophy is to empower employees to "think like owners" and we reward this commitment with true pay-for-performance, featuring an ESOP, Think Like Owners cash awards, incentive plans and competitive pay and benefits. > less