Senior Security Architect

Job– Lead Senior Security Engineer – Full-time

Location: Palo Alto, CA - Onsite

Duration: Full-time direct hire role

Overview

The Lead Senior Security Engineer will be responsible for the security design, architecture, and implementation of AI platform. This is a hands-on leadership position that combines technical expertise with strategic guidance. You will ensure that the platform, cloud infrastructure, AI workflows, data pipelines, and enterprise integrations meet the security, privacy, and control standards expected by Fortune 1000 organizations.

You will collaborate with Cloud Engineers, DevOps Engineers, GenAI Engineers, and Forward Deployed Engineers to integrate security into every layer of the platform and deployment lifecycle.

The role requires both deep technical knowledge and the ability to interact directly with enterprise customers.

Key Responsibilities

Lead Platform Security Architecture and Implementation

• Own security architecture across application security, cloud infrastructure, data protection, identity and access management, tenant isolation, auditability, and enterprise integrations.

Design Secure Deployment Patterns for Enterprise Customers

• Define secure deployment models hosted on cloud or within customer environments.
• Implement solutions that support: SSO, RBAC, API integrations, customer-controlled environments, secure data ingestion, tenant isolation, encryption, key management, private networking, monitoring, and auditability.

Embed Security into Engineering and Operations

• Work with engineering teams to integrate security into CI/CD, infrastructure-as-code, container deployments, secrets management, vulnerability management, monitoring, incident response, and production operations.

Secure AI Platform Capabilities

• Lead security for GenAI workflows, including prompt/data isolation, model access controls, secure tool use, adversarial testing, output governance, audit trails, and third-party model consumption controls.

Serve as the Senior Security Counterpart for Enterprise Customers and Compliance

• Lead technical security discussions with enterprise customers.
• Support procurement and vendor risk reviews.
• Translate customer requirements into platform capabilities.
• Partner with compliance teams on SOC 2, ISO 27001, SSPA, customer audits, control evidence, and security documentation.

Qualifications

Experience

• 8 years in security architecture and engineering.
• Background in application security, cloud security, platform security, enterprise SaaS security, or security for complex, data-intensive systems.
• Preferably some experience securing AI platforms.

Enterprise Security Architecture

• Proven ability to design and implement enterprise-grade security architectures.
• Experience securing SaaS platforms, cloud-native systems, or customer-facing products deployed in large enterprise environments.

Cloud and Infrastructure Security Expertise

• Hands-on experience with cloud security architecture (preferably Azure).
• Knowledge of IAM, networking, private endpoints, containers, key management, encryption, logging, monitoring, workload identity, and infrastructure security.

Identity, Access, and Application Security

• Experience with SSO, SAML, OIDC, RBAC, service identities, least-privilege models, secure SDLC, threat modeling, API security, secrets management, vulnerability management, and secure coding.

Customer-Facing and Cross-Functional Experience

• Experience working with enterprise customers.
• Ability to lead security reviews, procurement assessments, vendor risk discussions, and deployment security planning.
• Strong collaboration with Cloud, DevOps, GenAI, platform, and Forward Deployed Engineering teams.