Senior IAM Engineer Microsoft ecosystem

A leading hedge fund in New York City is looking for a Senior IAM Engineer to join its core platform engineering team. This is a high-impact role where you ll take ownership of the firm s IAM systems, helping to shape strategy, design solutions, and deliver secure integrations across a complex, global technology environment.

What you ll do:

• Lead the design, deployment, and evolution of IAM platforms across the Microsoft ecosystem (Active Directory, Entra ID, ADFS, ADCS).
• Drive the adoption of modern authentication standards, including passwordless solutions (FIDO2, YubiKeys, Windows Hello, Passkeys).
• Partner with infrastructure and application teams to integrate IAM services seamlessly into business-critical platforms.
• Contribute to strategic projects such as secure remote access from employee-owned devices and certificate lifecycle management.
• Act as an IAM subject matter expert, advising on best practices and influencing security architecture decisions across the firm.

What they re looking for:

• 7 10 years of IAM engineering experience, ideally in financial services or complex enterprise technology environments.
• Deep knowledge of authentication protocols (Kerberos, PKI, OIDC, FIDO2) and Microsoft identity technologies.
• Strong design and integration skills, with the ability to balance technical detail with strategic vision.
• Excellent communication skills and able to influence stakeholders and collaborate across engineering, security, and business teams.

This is a rare opportunity to join one of the most sophisticated technology environments in finance, with a compensation package that reflects the seniority and impact of the role (base $250k $300k + bonus + benefits).

Hybrid working: 3 days onsite in NYC, 2 remote.