Senior IAM Engineer: API & SSO Integration (Hybrid NY)

Aventine software; New York (NY); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Aventine software in New York is seeking a Senior Integration / Identity Engineer to design and implement secure IAM solutions and enterprise API integrations. The role combines hands-on engineering with security-focused design and cross-team collaboration.

Hybrid work arrangement in New York, with three days in the office. Expectance of strong background in OAuth 2.0, OIDC, and enterprise IAM platforms like Okta or Entra ID, plus API integration and software engineering skills.

Qualifications

• Strong experience with OAuth 2.0, OpenID Connect (OIDC), and IAM.
• Hands-on experience with enterprise IAM platforms such as Okta or Microsoft Entra ID.
• Strong software engineering skills and API integration experience.
• Experience with machine-to-machine authentication, token management, and enterprise APIs.
• Strong understanding of security principles, least privilege, auditability, and identity lifecycle management.

Responsibilities

• Design and implement secure IAM/integration solutions across enterprise APIs.
• Collaborate with security and engineering teams to ensure robust authentication mechanisms.
• Evaluate and implement IAM platforms and workflows.
• Develop and maintain machine-to-machine authentication patterns and token management.
• Ensure compliance with security principles and lifecycle management.

Skills

OAuth 2.0

OIDC

IAM

API integration

M2M authentication

Token management

Security principles

Least privilege

Auditability

Identity lifecycle

Tools

Okta

Microsoft Entra ID

Job description

Aventine software in New York is seeking a Senior Integration / Identity Engineer to design and implement secure IAM solutions and enterprise API integrations. The role combines hands-on engineering with security-focused design and cross-team collaboration.

Hybrid work arrangement in New York, with three days in the office. Expectance of strong background in OAuth 2.0, OIDC, and enterprise IAM platforms like Okta or Entra ID, plus API integration and software engineering skills.