Senior IAM Engineer Onsite NY

top-tier hedge fund is seeking a highly skilled Senior IAM Engineer to strategically shape the future of its identity and access management infrastructure. This permanent position
, based onsite in New York, NY
, offers a high-impact engineering role at the crucial intersection of security, scale, and performance. It’s ideal for a professional who thrives in technically rigorous and demanding environments.

You’ll become an integral part of a small, exceptionally skilled team responsible for building and securing the identity backbone of the firm
. Your work will directly underpin the firm’s critical trading, research, and engineering operations, spanning everything from foundational directory services to cutting‑edge cloud‑native authentication platforms. This role offers a unique chance to influence the architecture of a world‑class technology organization, working on systems that demand unparalleled reliability, speed, and security at scale, alongside engineers who value precision and measurable impact.

As a Senior IAM Engineer, your responsibilities will blend strategic design, hands‑on implementation, and leadership in highly secure, high‑performance environments. You’ll be instrumental in evolving the firm’s identity and access capabilities across both on‑premises and cloud infrastructures.

• Design and Implement Next‑Generation Identity Platforms: You will take a leading role in the design and implementation of next‑generation identity platforms
  . This involves architecting scalable, secure, and resilient solutions that leverage cutting‑edge technologies to modernise the firm’s identity infrastructure, ensuring it meets future demands for security, performance, and user experience.
• Build and Maintain Resilient Authentication and Authorization Services: You will be responsible for meticulously building and maintaining resilient authentication and authorization services across both on‑premises and cloud environments. This includes designing fault‑tolerant systems, implementing robust security controls, and ensuring continuous availability for critical access pathways, directly supporting the firm’s trading, research, and engineering operations.
• Lead Firm‑Wide Initiatives to Improve Security Posture: You will spearhead and lead firm‑wide initiatives aimed at continuously improving the overall security posture of the organization. This involves identifying systemic vulnerabilities, proposing strategic enhancements, and driving the implementation of solutions that bolster the firm’s defenses against sophisticated cyber threats. Your leadership will directly influence the security roadmap.
• Develop Automation Pipelines Using Advanced Tools: You will be instrumental in driving operational efficiency and consistency by developing robust automation pipelines
  . This includes leveraging cutting‑edge Infrastructure as Code (IaC) tools such as Terraform for provisioning cloud resources,
  Pulumi for multi‑language infrastructure management, and Crossplane for extending Kubernetes to manage external resources. Your automation efforts will streamline deployments, reduce manual effort, and ensure configuration consistency.
• Extend and Integrate Key IAM Solutions: You will extend and integrate industry‑leading IAM solutions into the firm’s existing ecosystem. This includes working with platforms like Azure AD (Active Directory) for cloud‑based identity,
  Okta for identity and access management, and Ping Federate (Ping Fed) for enterprise federation. Your expertise will ensure seamless authentication and authorisation across diverse applications and services.
• Contribute to Internal Libraries and Governance Platforms: You will actively contribute to internal libraries and governance platforms developed within the firm. This involves writing high‑quality code in Java, Python, or Go
  , creating reusable components, and enhancing platforms that enforce security policies, manage identity life cycles, and ensure compliance. Your contributions will directly strengthen the firm’s internal security…