Identity Security Engineer

Identity Security Engineer About Millennium Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.

Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.

Meet the Team Core to the health and growth of our business, Millennium’s Information Technology organization supports a flexible, scalable technology environment powered by advanced proprietary systems and the continued development of next-generation analytical and trading capabilities. The Information Security team partners across the firm to protect Millennium’s information and computer systems from internal and external threats, building and operating a robust security program across a complex technical environment.

What You'll DoProvide security consulting and engineering for Ping Federate, Entra , and related identity security solutions, contributing to the analysis, design, and development of new capabilities

Design, build, and maintain authentication platforms across on-premises and cloud environments

Engineer and support SAML, OpenID Connect, OAuth 2.0, and Kerberos authentication across identity providers, including single sign-on, PKI, and related security controls

Assess identity management risks and produce threat analyses and remediation plans for technical and business stakeholders

Evaluate emerging security and privacy technologies, trends, and threats against key business initiatives, and recommend solutions that inform the identity security roadmap

Support identity-related work streams during firmwide information security incidents, including containment, root-cause analysis, and post-incident hardening

Partner with Technology, Trading, Legal, Internal Audit, and Compliance stakeholders to implement and enforce identity and access security policies

Transition security solutions from engineering to production, maintain documentation and operational runbooks, and automate identity and access workflows through scripting and infrastructure as code

What You Bring5+ years of relevant technical experience, including 3+ years focused on information security; financial services experience is preferred

Bachelor’s degree in Computer Science, Engineering, or a related field

Experience with Ping Federate and Entra ID Experience managing IaaS and SaaS solutions and services through CI/CD pipelines

Strong understanding of modern authentication protocols and associated identity security controls

Experience with Microsoft 365 security controls

Experience implementing data loss prevention and Azure Information Protection solutions, including data classification, labeling, encryption, and regulatory compliance

Familiarity with EDR, SIEM, vulnerability management, and relevant security certifications is a plus Recruiter:

Melanie Moretti Hiring Manager:

Luca Mihailescu Department:

Information Technology