Information Security Engineer

At Westfield, we’re modernizing identity ’re looking for an Information Security Engineer with a strong focus on Identity & Access Management (IAM) and Single Sign-On (SSO) to help design, operate, and mature our enterprise authentication and federation capabilities. This role sits at the intersection of security engineering, identity platforms, and application integration, partnering closely with application teams, infrastructure, and security stakeholders to deliver secure, scalable access across the enterprise.

• Operate and enhance enterprise IAM and SSO platforms, supporting both internally developed and third-party applications
• Integrate applications using modern authentication and federation standards (SAML, OAuth, OIDC).
• Troubleshoot and remediate user-to-system and system-to-system access issues across web and cloud environments.
• Support secure authentication and access control patterns, including MFA, RBAC, and privileged access use cases.
• Partner with application teams to onboard new applications into SSO using established design patterns and standards.
• Perform routine platform maintenance, upgrades, and configuration changes following change management best practices.
• Monitor identity-related security events and support incident response activities when access-related issues arise.
• Provide technical guidance to application and infrastructure teams on secure identity integration and access designs.
• Contribute to security standards, procedures, and documentation related to identity, access, and authentication.

• 0-5 years of experience in Information Security or a related field.
• Bachelor's degree in Computer Science, Information Technology or a related field and/or commensurate experience.

• Hybrid defined as three (3) or more days per week in the office.

Founded in 1848, Westfield is a global leader in property and casualty insurance, delivering superior risk insights and innovative solutions to customers through a diverse portfolio of insurance products. Westfield underwrites commercial, personal, surety, and specialty lines of coverage through a network of leading independent agents and brokers in the United States and specialty products through Lloyd’s of London Syndicate 1200.

As a mutual insurance company with more than 3,000 employees, Westfield has revenues in excess of $4 billion and more than $10 billion in assets. Learn more at

United States:
All applicants receive consideration for employment without regard to race, color, sex, religion, national origin, age, sexual orientation, gender identity, disability, or status as a protected veteran.

United Kingdom:
Westfield is committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.

This job description describes the general nature and level of work performed in this role. It is not intended to be an exhaustive list of all duties, skills, responsibilities, knowledge, etc. These may be subject to change and additional functions may be assigned as needed by management.