Senior Security Engineer, Application Security

Handshake•San Francisco, CA

1d•Hybrid

About The Position

Handshake is seeking a Senior Security Engineer to own the architecture, design, and implementation of our enterprise identity automation and governance ecosystem. You’ll define the long-term IAM automation strategy, build resilient and scalable lifecycle workflows, and enable secure-by-default identity operations across SaaS, cloud, and internal platforms. You’ll partner closely with Security, IT Engineering, People Operations, and Product/Platform Engineering to deliver highly automated, auditable, and reliable identity solutions.

Requirements

4–7+ years of hands-on IAM engineering, identity automation, or identity governance experience.
Strong scripting/automation skills in Python, Node.js, and REST-based integrations.
Experience with IAM platforms such as Okta, Google Workspace/GCP, Azure AD, or similar.
Deep understanding of identity protocols, token flows, SCIM, and distributed lifecycle orchestration.
Experience with Terraform or other infrastructure-as-code frameworks.
Ability to diagnose complex identity issues across SaaS, cloud, and distributed systems.
Strong understanding of DevOps practices, observability, and secure engineering principles.
Demonstrated ownership mindset across architecture, implementation, monitoring, and iterative improvement.

Nice To Haves

Advanced experience with GCP IAM, Google Workspace IAM, AWS IAM, cross-account access patterns, and policy automation.
Experience with Okta Workflows, SailPoint/IGA, or Privileged Access Management (PAM) solutions.
Experience designing scalable authorization models for high-growth or distributed organizations.
Certifications such as Okta Architect, Azure Identity Engineer, CISSP.
Prior experience in SaaS, high-growth, or distributed engineering environments.

Responsibilities

Architect, build, and own automated onboarding, offboarding, and access-change workflows across Okta, Workday, SCIM, and event-driven systems.
Engineer integration layers between identity platforms and internal applications using Python, REST APIs, Webhooks, and Terraform.
Implement error-handling, reconciliation logic, telemetry, and monitoring to ensure reliability and determinism in identity lifecycle events.
Modernize existing provisioning logic and replace manual processes with scalable automation frameworks.
Develop tooling and pipelines enabling version-controlled, testable, observable IAM automation.
Act as a technical owner for Handshake’s IAM ecosystem, including Okta, Google Workspace, GCP, AWS IAM, and internal access systems.
Engineer and optimize authentication & authorization protocols (OIDC, OAuth2, SAML, JWT), fine-grained access policies, and scalable RBAC/ABAC models.
Build custom automation using Okta Workflows or API-driven orchestration.
Design SOC2-compliant access controls, approvals, attestations, and auditability mechanisms.
Build automated access certification systems with full data lineage.
Conduct identity-related incident forensics and implement preventative automation.
Provide cross-functional leadership, setting standards, best practices, and reference architectures for identity automation.
Serve as service owner for IAM automation platforms with accountability for uptime, consistency, and continuous improvement.