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About the Role
Lead security consulting and engineering for identity security solutions, defining and executing the vision, strategy, architecture, and implementation of authentication platforms across on-premises and cloud environments. Serve as a technical authority on modern authentication protocols and associated identity security controls, assessing risks and communicating remediation plans. Shape the identity security roadmap by evaluating emerging technologies and trends, and lead identity-related workstreams during security incidents. Partner with stakeholders to define, govern, and enforce identity and access security policies, and establish operational standards while mentoring junior engineers.
Responsibilities
- Lead security consulting and engineering for Windows, Active Directory, Entra ID, and related identity security solutions.
- Set technical direction for the design and development of new capabilities.
- Define and execute the vision, strategy, architecture, and implementation of authentication platforms across on-premises and cloud environments.
- Serve as a technical authority on SAML, OpenID Connect, OAuth 2.0, and Kerberos authentication, including single sign-on, PKI, and associated identity controls.
- Assess identity management risks and threats, and communicate remediation plans to senior technical and business stakeholders.
- Shape the identity security roadmap by evaluating emerging security and privacy technologies, trends, and threats against key business initiatives.
- Lead identity-related workstreams during information security incidents, including containment, root-cause analysis, and post-incident hardening.
- Partner with senior stakeholders across Technology, Trading, Legal, Internal Audit, and Compliance to define, govern, and enforce identity and access security policies.
- Establish production-readiness, documentation, and operational standards for identity security solutions.
- Mentor junior and mid-level security engineers.
Requirements
- 10+ years of experience in a technical role.
- 5+ years focused on information security.
- Financial services experience is preferred.
- Strong experience engineering Microsoft security solutions across desktop and server operating systems, Entra ID, Active Directory, Group Policy, Desired State Configuration, DNS, and collaboration platforms.
- 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, including Entra ID, Conditional Access, and Foundry.
- 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.
Skills
- Windows
- Active Directory
- Entra ID
- SAML
- OpenID Connect
- OAuth 2.0
- Kerberos
- Single Sign-On
- PKI
- Microsoft 365 security controls
- Conditional Access
- Foundry
- Data Loss Prevention
- Azure Information Protection
- CI/CD pipelines
- EDR
- SIEM
- Vulnerability Management
Location
- New York City
Work Type
- Full-time
Experience Level
- Senior
- 10+ years of experience
- 5+ years focused on information security
Education Level
- Bachelor’s degree in Computer Science, Engineering, or a related field
Salary/Compensations
- $175,000 to $250,000
Benefits
- Discretionary performance bonus
- Comprehensive benefits
About the Company
- Millennium is a global, diversified alternative investment firm, founded in 1989.
- 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.
- 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.