Rupak Seal
San Francisco Bay Area
Summary
Engineering leader and principal architect with expertise in AI-driven cybersecurity and large-scale identity platforms. Spearheaded CIAM transformation initiatives for over 50 million identities, achieving 10x scalability, 7,500+ LPS performance, and 99.99% availability in cloud-native environments. Led enterprise IAM for 500,000+ identities, ensuring compliance with SOX, PCI, GLBA, and HIPAA. Proven track record in zero-trust architecture, privileged access governance, and building high-performing teams to deliver secure, scalable systems.
Overview
20
20
years of professional experience
1
1
Certification
Work History
Senior Engineering Manager – Identity Platform
Charles Schwab
05.2022 - Current
- Led post-merger identity platform consolidation for Schwab + TD Ameritrade, serving 40M+ users
- Scaled authentication & authorization platform to 7,500+ logins/sec, achieving 99.99–99.999% availability
- Modernized identity architecture with OIDC, OAuth2, SAML2.0, enhancing security and user experience by replacing legacy systems
- Designed token-based authorization and session management systems for secure, seamless user experience
- Migrated platform to GCP cloud-native architecture, improving latency by 25% and reducing infra cost by 30%
- Established zero-trust access model for all client authentication flows, strengthening system security and user trust
- Led team of 30+ engineers, enhancing team productivity through AI adoption and streamlined processes
Senior Engineering Manager / Principal Architect – Identity Governance
Target
01.2018 - 05.2022
- Led technical and architectural direction for 30+ engineers (16 FTEs, 14 consultants), executing full IAM product lifecycle using agile methodologies while establishing architecture, design standards, and security patterns.
- Developed centralized identity platform to support 500K+ enterprise users, enhancing access management capabilities
- Unified fragmented identity systems into cohesive governance and control platform, streamlining identity management processes
- Led Privileged Access Management (PAM) transformation, remediating 2M+ privileged access records
- Designed access certification, entitlement management, and policy enforcement systems
- Implemented risk-based access controls using behavioral analytics (UEBA)
- Owned enterprise-wide Identity Governance and Access Management (IGA) strategy
Principal Engineer – Identity & Security
Target
01.2016 - 01.2018
- Architected identity and authorization systems for enterprise platforms, enhancing security and user access management
- Designed API-driven identity services for scalable access control, streamlining user authentication processes
- Modernized legacy IAM systems into distributed, cloud-ready architectures, improving system resilience and deployment flexibility
Principal IAM Engineer
Kaiser Permanente
03.2013 - 05.2016
- Led IAM engineering and security platforms, enhancing access for millions of users
- Implemented RBAC and provisioning automation, streamlining secure access controls
- Improved authentication performance by 25% and reduced manual provisioning workload by 40%
Lead Software Engineer
IBM
San Francisco
05.2006 - 03.2013
- Architected and implemented enterprise IAM and SOA-based Java/J2EE systems, reducing manual access provisioning efforts by ~40%, improving authentication/authorization performance by over 25%, and enhancing regulatory compliance controls for IBM Tivoli product
- Led cross-functional teams of 10–20 engineers across Dev, QA, and Ops through full SDLC, delivering complex programs 15–20% faster time-to-market while ensuring production stability above 99.9% availability for IBM Tivoli product
- Led software development teams in designing scalable applications for enterprise clients.
- Collaborated with cross-functional teams to define project requirements and deliverables.
- Mentored junior engineers on coding best practices and software design principles.
Education
MS - Artificial Intelligence
Stanford University
San Francisco, CA11-2025
MS - Cybersecurity
New York University
01-2023
B.E. -
Jadavpur University
03-2006
Skills
- Identity & Access Management (CIAM, IGA)
- Authorization (RBAC, ABAC, Policy Engines)
- Authentication (OAuth2, OIDC, SAML)
- Zero Trust Architecture
- Identity Governance & Compliance
- Privileged Access Management (PAM)
- Distributed Systems
- Cloud (GCP, Kubernetes)
- AI-driven engineering
- Machine learning
- Cybersecurity protocols
- Technical leadership
- Influencing others
- Motivation techniques
Certification
- SCEA
- CISM
- CISSP
- PMP
- ITIL v3
Timeline
Senior Engineering Manager – Identity Platform
Charles Schwab
05.2022 - Current
Senior Engineering Manager / Principal Architect – Identity Governance
Target
01.2018 - 05.2022
Principal Engineer – Identity & Security
Target
01.2016 - 01.2018
Principal IAM Engineer
Kaiser Permanente
03.2013 - 05.2016
Lead Software Engineer
IBM
05.2006 - 03.2013
MS - Artificial Intelligence
Stanford University
MS - Cybersecurity
New York University
B.E. -
Jadavpur University