Jobs · Finance · Texas

Senior Specialist, Lead Zero Trust Identity Security Engineering

Vanguard · Dallas, TX · Yesterday
HybridFinanceFull-time

Key Responsibilities

  • Serve as technical lead for workforce identity platforms, with Okta as the primary IdP and integrations to complementary platforms (e.g., Ping/Entra Identity).
  • Own end-to-end identity architecture, including authentication flows, federation, directory integrations, and token issuance.
  • Lead design reviews and decisions for IdP resiliency, failover, and supplier-risk mitigation strategies.
  • Document existing and new architecture and act as a hands-on engineer while also setting technical direction, patterns, and standards.
  • Strong communication, influence, and stakeholder-management skills, with the ability to distill complex identity and security architectures into clear and concise messaging.

Standards-Based Identity & Federation Design

  • Design and troubleshoot identity flows using OAuth 2.0 / OIDC, SAML 2.0, SCIM, JWT / token-based auth.
  • Ensure token parity, claim consistency, and issuer abstraction across identity providers to minimize application impact.
  • Partner with application teams to enable modern authentication without app re-architecture.

Directory & Identity Data Architecture

  • Engineer and maintain directory integrations across Active Directory, Okta UD, and cloud directories (e.g., Ping Directory).
  • Design attribute models, lifecycle management, and group strategies at enterprise scale (thousands of groups, large population sizes).
  • Support directory deployments in cloud-native environments (AWS/GCP, containers, Kubernetes).

Cloud, Automation & Reliability

  • Build and operate identity infrastructure in AWS/GCP/Azure, using: Infrastructure & Policy as Code (Terraform / CloudFormation), Kubernetes & containerized identity services.
  • Automate provisioning, deployment, monitoring, and drift detection for identity platforms.
  • Support SRE-style operational maturity: SLIs/SLOs, alerting, incident response, and runbooks for identity services.

Security, Risk & Compliance

  • Design identity controls aligned to Zero Trust principles and enterprise security policies.
  • Partner with CSOC, audit, and risk teams on: Control validation, Incident response, Regulatory and audit requirements (SOX, SOC, internal controls).
  • Contribute to risk assessments related to supplier dependency, SPOFs, and identity outages.

Collaboration & Influence

  • Work closely with security architecture, infrastructure, application engineering, IAM operations, and vendors.
  • Influence roadmap decisions through clear technical reasoning and executive-ready communication.
  • Mentor senior and mid-level engineers and raise overall identity engineering maturity.

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