Fortinet

Principal Software Development Engineer (Agent Security)

Fortinet
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14 hours ago
Sunnyvale, CA, USAStaff+

Base Salary

$212k - $259k/yr

Responsibilities

  • Build AI security solutions for enterprise customers and design security controls for agentic AI systems.
  • Provide technical leadership across product development, including architecture definition, technical decisions, and delivery of secure, scalable solutions.
  • Develop pre-sales and post-sales tools and environments for customer evaluations, deployments, troubleshooting, and integration.
  • Own and operate production services, including troubleshooting, performance optimization, reliability improvements, and ongoing hardening of security-critical systems.
  • Research emerging technologies and security trends and identify new opportunities and innovative solutions.
  • Drive technical strategy, product roadmap development, feature design, and architecture evolution.

Requirements

  • Strong software engineering skills in Python or Go, or in a systems language such as Rust or C/C++.
  • Bachelor’s degree or above in Computer Science, or equivalent practical experience.
  • 8+ years of experience building and operating production backend services, including architecture ownership of security-critical and highly available systems.
  • Strong system design and architecture skills with the ability to balance security, scalability, reliability, and performance.
  • Strong problem-solving, debugging, and technical leadership skills.
  • Experience with LLM and agent security, including prompt injection, tool poisoning, jailbreaks, and agent security controls, is strongly preferred.
  • Deep understanding of MCP and A2A, with hands-on experience designing and building agentic AI systems, tool-calling, and agent frameworks, is strongly preferred.
  • Professional experience in application security, network security, identity, API security, or other cybersecurity domains is strongly preferred.
  • Must be authorized to work in the U.S. without sponsorship.

Benefits

  • Medical, dental, vision, life, and disability insurance.
  • 401(k), 11 paid holidays, vacation time, sick time, and a comprehensive leave program.
  • Eligibility to participate in Fortinet’s equity program; bonus eligibility is reviewed at hire and annually at the company’s discretion.
  • Supportive work environment, competitive total rewards package, and reasonable accommodations for qualified individuals with disabilities.

Tech Stack

Categories

Fortinet

About Fortinet

10,000+ employees

Fortinet is a public cybersecurity company that builds network security hardware and software for enterprises, service providers, and governments. Its FortiGate firewalls, secure networking (SD-WAN), endpoint and cloud security, and threat intelligence subscriptions are sold via direct and channel partners. Founded in 2000 and headquartered in Sunnyvale, California, Fortinet trades on NASDAQ (FTNT) and serves more than 660,000 customers worldwide.

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