David Joseph & CompanyVerified Source

Senior Staff Security Engineer

200K–300K
Onsite · San Francisco, California
Posted August 12, 2026
payroll

Overview

Lead the end-to-end security posture of an AI coworker product for enterprise IT teams. Own application cloud network and agent security while defining a novel category. Drive secure design reviews build security primitives and manage incident response. This is a full-time role in San Francisco with equity compensation.

What You'll Do10

  • 1Own secure design reviews and threat modeling for a governed-identity agent that requires human approval
  • 2Build security primitives such as per-customer isolation and credential management into the product
  • 3Establish replayable audit trails and customer-controlled capability dials
  • 4Run external validation including penetration testing and compliance frameworks
  • 5Manage incident readiness and response with breach notifications measured in hours
  • 6Integrate scanning secret detection and compliance checks into CI pipelines
  • 7Set internal standards for credential handling and data egress using Python Go Rust or TypeScript
  • 8Collaborate with cross-functional teams to define security architecture reviewed by enterprise buyers
  • 9Communicate risk trade-offs to engineers and executives
  • 10Operate in an ambiguous fast-moving environment with on-site presence in San Francisco

Requirements11

  • 15+ years building ETL pipelines with Spark and Airflow
  • 2Strong practical threat-modeling and vulnerability identification skills
  • 3Real depth in network and identity security including workload IAM
  • 4Cloud security expertise on a major provider with identity federation and IaC
  • 5Experience securing agentic or code-execution systems
  • 6Bug bounty or vulnerability disclosure program leadership
  • 7Company through compliance frameworks and enterprise security reviews
  • 8Familiarity with enterprise IT and identity such as directory services SSO and PAM
  • 9Standout track record of excellence through education competition or leadership
  • 10High agency demonstrated by founding or engineering large ambiguous-scope projects
  • 11Visa sponsorship available for qualified candidates

Salary Insight

$200 - $300k per year

Location

Typeonsite
LocationSan Francisco, California

Required Skills

PythonGoRustTypeScriptThreat ModelingVulnerability IdentificationNetwork Security
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