Senior CIAM Architect & Platform Lead

Optimum Communications Inc.; Plano (TX); On-site; USD 100,000 - 165,000; Full time

Job summary

Optimum Communications Inc. is hiring a Senior IAM Engineer to own the enterprise CIAM architecture, define authentication patterns, and drive scalable security across applications. You’ll set standards for identity protocols, lead modernization efforts, and mentor teams.

This senior IC role offers broad autonomy and close partnership with leadership to shape the roadmap. You will design token and session strategies, enable developers with guides and samples, and enforce governance to ensure

Qualifications

• Bachelor's degree in Computer Science, Information Systems, Cybersecurity, or related field (or equivalent experience).
• 6+ years of experience in Identity & Access Management, security engineering, or a related technical field
• Strong hands-on experience designing and operating CIAM or identity provider platforms at scale
• Deep understanding of identity standards and protocols (OAuth 2.0, OpenID Connect, SAML, SCIM, FIDO2/WebAuthn)
• Experience leading authentication modernization or large-scale IAM integration initiatives
• Proficiency in at least one modern programming language (e.g., JavaScript, Python, Java, Go) for building integrations and automation
• Experience implementing Infrastructure-as-Code and CI/CD practices for platform configuration
• Proven ability to perform threat modeling, security reviews, and produce clear technical guidance
• Experience working with compliance frameworks (SOX, SOC 2, PCI) and supporting audit activities
• Demonstrated ability to mentor engineers and influence technical direction across teams

Responsibilities

• Own the CIAM architecture and platform governance, including authentication policy frameworks and identity lifecycle standards
• Define and enforce integration standards across identity protocols (OAuth 2.0, OpenID Connect, SAML, SCIM)
• Establish governance practices for platform configuration, including naming standards, policy structures, and change management controls
• Lead the evaluation and adoption of new identity capabilities and platform features aligned to enterprise security and scalability goals
• Lead the technical design of enterprise authentication modernization initiatives, defining integration patterns and reference architectures for application teams
• Develop and maintain standardized migration frameworks for onboarding applications to modern CIAM solutions
• Define token design, scope models, and session management strategies aligned to security and business requirements
• Drive adoption of advanced authentication capabilities, including phishing-resistant and passwordless authentication
• Identify and resolve cross-cutting architectural challenges impacting identity integrations across the application portfolio
• Own the IAM developer experience, including integration guides, reference architectures, code samples, and reusable implementation patterns
• Build and maintain reference implementations demonstrating best practices for authentication flows, token validation, and session management
• Design and improve onboarding processes and self-service capabilities for application teams integrating with the CIAM platform
• Lead architecture reviews for complex or high-risk integrations, providing clear, standards-based guidance and decision rationale
• Foster a community of practice to promote identity best practices and knowledge sharing across engineering teams
• Conduct threat modeling for the CIAM platform and application integrations, identifying risks and designing appropriate controls
• Define and maintain identity security standards, including authentication assurance levels, MFA requirements, and session policies
• Design and tune identity-related monitoring and detection capabilities, including integration with SIEM tools
• Lead security design reviews for identity workflows, integrations, and custom services to ensure adherence to best practices
• Support vulnerability management by assessing risks, prioritizing remediation, and driving resolution across the platform

Skills

Identity & Access Management

Security engineering

OAuth 2.0

OpenID Connect

SAML

SCIM

JavaScript

IaC

CI/CD

Mentoring

Education

Bachelor's degree in Computer Science, Information Systems, Cybersecurity

Tools

JavaScript

Python

Java

Go

Job description

Optimum Communications Inc. is hiring a Senior IAM Engineer to own the enterprise CIAM architecture, define authentication patterns, and drive scalable security across applications. You’ll set standards for identity protocols, lead modernization efforts, and mentor teams.

This senior IC role offers broad autonomy and close partnership with leadership to shape the roadmap. You will design token and session strategies, enable developers with guides and samples, and enforce governance to ensure