Identity and Access Management Engineer (Authentication)

Aon Corporation•Berwyn, IL

19h•Remote

About The Position

IAM Engineer- Authentication Are you passionate about building secure, seamless authentication experiences? Do you enjoy solving complex identity challenges while partnering across technology and the business? Join Aon and help design, enhance, and support identity and access management solutions that strengthen security while creating a reliable experience for colleagues and clients. Aon is in the business of better decisions At Aon, we shape decisions for the better to protect and enrich the lives of people around the world. As an organization, we are united through trust as one engaged team, and we are passionate about helping our colleagues and clients succeed. What the day will look like In this role, you will help design, implement, and support authentication capabilities across Aon's identity environment. You will partner with technology and business stakeholders to develop practical solutions that balance security, reliability, and user experience.

Requirements

Professional experience designing, implementing, or supporting IAM solutions.
Experience implementing and integrating SSO and MFA technologies for workforce and/or external user environments, including platforms such as Okta or Microsoft Entra.
Working knowledge of identity and authentication standards and protocols such as SAML, OAuth/OIDC, SCIM, LDAP, RADIUS, and Kerberos.
Experience analyzing authentication and authorization logs and troubleshooting complex identity issues.
Working experience with REST APIs and JSON.
Familiarity with applicable security and compliance frameworks, such as GDPR, SOX, ISO 27001, and SOC 2.
Analytical and problem-solving skills with the ability to identify root causes and develop practical solutions.
Clear written and verbal communication skills, including the ability to explain technical concepts to varied audiences.
Ability to collaborate across technology and business teams, manage competing priorities, and contribute effectively in a team environment.
Ability to create clear technical documentation, diagrams, and process flows.
3 + years of relevant professional experience designing and implementing IAM solutions, including experience with SSO and MFA technologies.
Equivalent combinations of relevant experience, skills, and education may also be considered
Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field, or equivalent relevant industry experience.

Responsibilities

Design, integrate, test, and support Identity and Access Management (IAM) authentication solutions, with a focus on Single Sign-On (SSO) and Multi-Factor Authentication (MFA).
Partner with technology, security, and business stakeholders to understand authentication needs, recommend appropriate IAM patterns, and guide solution implementation.
Configure and maintain authentication platforms such as Okta and Microsoft Entra, including policies, workflows, and integrations.
Help ensure authentication platforms remain secure, reliable, current, and well supported through effective monitoring, maintenance, and patching.
Design and refine SSO and MFA policies and controls that strengthen security while supporting a seamless user experience.
Develop and extend identity-platform capabilities using REST APIs, JSON, and customizable settings.
Analyze authentication and authorization logs to diagnose issues, identify root causes, and implement effective solutions.
Create clear IAM documentation, architecture diagrams, and process flows that support solution design and ongoing operations.
Identify opportunities to improve authentication controls, processes, and platform capabilities while balancing security, reliability, and user experience.