Identity Security Posture Management Cybersecurity Jobs

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Identity Security Engineer

Millennium Management Miami, FL

Miami, FL

Today

Full time Cloud Platforms Data Security Engineer

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Job Description

Millennium Management is seeking an Identity Security Engineer to deliver consulting and engineering for identity security solutions and authentication platforms across on-premises and cloud environments. The role emphasizes modern authentication protocols, identity risk analysis, incident support, and moving security capabilities into production through automation.

Responsibilities

Provide security consulting and engineering for PingFederate, Entra ID, and related identity security solutions, supporting analysis, design, and development of new capabilities
Design, build, and maintain authentication platforms spanning 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 associated security controls
Assess identity management risks and deliver threat analyses and remediation plans for both technical and business stakeholders
Evaluate emerging security and privacy technologies, trends, and threats aligned to key business initiatives, then recommend approaches that inform the identity security roadmap
Support identity-focused workstreams during firmwide information security incidents, including containment, root-cause analysis, and post-incident hardening
Coordinate with Technology, Trading, Legal, Internal Audit, and Compliance teams to implement and enforce identity and access security policies
Transition solutions from engineering into production, maintain documentation and operational runbooks, and automate identity and access workflows using scripting and infrastructure as code

Requirements

5+ 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 PingFederate and Entra ID
Experience managing IaaS and SaaS solutions and services through CI/CD pipelines
Strong understanding of modern authentication protocols and identity security controls
Experience with Microsoft 365 security controls
Experience implementing data loss prevention and Azure Information Protection, including data classification, labeling, encryption, and regulatory compliance
Familiarity with EDR, SIEM, vulnerability management, and relevant security certifications is a plus

Location

Miami, FL (onsite)

Technology Focus

PingFederate, Entra ID
SAML, OpenID Connect, OAuth 2.0, Kerberos
PKI, single sign-on
CI/CD, IaaS, SaaS, infrastructure as code
Microsoft 365 security controls
Data loss prevention, Azure Information Protection
EDR, SIEM, vulnerability management

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