Zip Co Limited

Principal AI Security Engineer

Zip Co Limited
Apply
5 days ago
Remote, United StatesStaff+

Base Salary

$203k - $254k/yr

Responsibilities

  • Lead technical direction for securing AI applications, autonomous agents, and AI-enabled engineering workflows.
  • Architect and implement security controls for LLM applications, RAG systems, agentic platforms, enterprise integrations, APIs, databases, and cloud infrastructure.
  • Develop protections against prompt injection, data exfiltration, insecure tool execution, excessive agency, unauthorized access, and sensitive-data exposure.
  • Build secure-by-default patterns, AI coding-assistant guardrails, MCP server protections, reusable security components, APIs, automation, and CI/CD integrations.
  • Build automated AI security testing, evaluation, red-teaming, prompt-injection testing, security regression testing, monitoring, and detection capabilities.
  • Establish AI security architecture, standards, risk-tiering logic, and evaluation frameworks for models and third-party tools.
  • Partner with engineering and platform teams to take secure AI solutions from architecture through production.
  • Mentor engineers and influence technical decisions across security, platform engineering, and software development.

Requirements

  • Staff- or Principal-level technical leadership in security engineering, application security, or cloud security.
  • Deep security engineering experience and hands-on experience with LLM or agent systems in production, open source, internal platforms, or published research.
  • Familiarity with OWASP Top 10 for LLM Applications, MITRE ATLAS, and NIST AI RMF.
  • Strong understanding of LLM architectures, agentic systems, RAG, and modern AI development frameworks.
  • Experience building AI security evaluations, red-teaming capabilities, model security gateways, and protections against prompt injection, data leakage, tool abuse, and unauthorized access.
  • Strong software engineering skills, including proficiency in Python or another modern programming language.
  • Experience with cloud-native architectures, APIs, containers, IAM, and modern software delivery practices.
  • Experience designing security controls, automation, reusable engineering components, and threat models for complex systems.
  • Strong technical leadership and ability to influence architecture and engineering decisions across teams.
  • Highly regarded experience with LangChain, LangGraph, Semantic Kernel, OpenAI APIs, Azure AI, Google Vertex AI, Microsoft Azure, Google Cloud Platform, Terraform, Kubernetes, CI/CD security, MCP servers, autonomous coding agents, agentic workflows, or regulated industries.

Benefits

  • Remote-first work arrangement for US-based employees with an option to work from the Manhattan office.
  • Flexible working culture, incentive programs, unlimited PTO, generous paid parental leave, and family support policies.
  • Company-sponsored 401k match, learning and wellness subscription stipend, and employer-sponsored insurance with covered choices.
  • Casual-dress Union Square office.
  • Visa sponsorship is not available for this position.
Zip Co Limited

About Zip Co Limited

1,001-5,000 employees

Zip Co Limited (ASX: ZIP) provides buy now, pay later and point-of-sale credit products for consumers, integrated into online and in-store checkouts. It earns primarily from merchant fees, interchange, and consumer charges on longer-term credit; products include Zip Pay and Zip Money. Founded in 2013 and headquartered in Sydney, it operates in Australia, New Zealand, and the United States with a broad merchant acceptance network.

Contact me