Fortinet

Principal Software Development Engineer (Agent Security)

Fortinet$212K — $259K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Strong software engineering skills in Python, Go, Rust, or C/C++.
  • Bachelor's degree in Computer Science or equivalent experience.
  • 8+ years in building and managing production backend services with a focus on security-critical systems.
  • Strong system design skills with a focus on security, scalability, and performance.
  • Self-driven with excellent problem-solving and technical leadership abilities.

Responsibilities

  • Build AI security solutions for enterprise customers.
  • Design and implement security controls for agentic AI systems.
  • Provide technical leadership in product development with multiple teams.
  • Develop tools for pre-sales and post-sales customer support.
  • Manage production services, optimizing performance and reliability.
  • Research security trends to innovate and develop new solutions.
  • Drive technical strategy and roadmap for product features and architecture.

Benefits

  • Medical, dental, and vision insurance.
  • Life and disability insurance.
  • 401(k) plan.
  • 11 paid holidays, plus vacation and sick time.
  • Comprehensive leave program.
  • Participation in the company equity program.
  • Bonus eligibility at company's discretion.
Full Job Description
Job Description

Principal Agent Security Engineer

Responsibilities
  • Build AI security solutions for enterprise customers.
  • Design and implement security controls for agentic AI systems.
  • Provide technical leadership across product development, working closely with Product, Engineering, and QA teams to define architecture, drive technical decisions, and deliver secure and scalable solutions.
  • Develop pre-sales and post-sales tools and environments to support 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 to identify new opportunities and develop innovative solutions.
  • Drive technical strategy and product roadmap, including new feature design, 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 make sound technical trade-offs across security, scalability, reliability, and performance.
  • Self-driven and proactive, with strong problem-solving, debugging, and technical leadership skills and a focus on delivering high-quality solutions.

Strong Plus
  • Experience with LLM and agent security, including areas such as prompt injection, tool poisoning, jailbreaks, and agent security controls.
  • Agentic AI architecture - Deep understanding of MCP and A2A, with hands-on experience designing and building agentic AI systems, including tool-calling and agent frameworks.
  • Cybersecurity background - Professional experience in application security, network security, identity, API security, or other cybersecurity domains.


Must be authorized to work in the U.S. without sponsorship.

The US base salary range for this full-time position is $212,000-$259,000. Fortinet offers employees a variety of benefits, including medical, dental, vision, life and disability insurance, 401(k), 11 paid holidays, vacation time, and sick time, as well as a comprehensive leave program.

Wage ranges are based on various factors, including the labour market, job type, and job level. Exact salary offers will be determined by factors such as the candidate's subject knowledge, skill level, qualifications, experience, and geographic location.

All roles are eligible to participate in the Fortinet equity program. Bonus eligibility is reviewed at the time of hire and annually at the Company's discretion.

About Fortinet

Fortinet is a cybersecurity company that provides network security solutions to businesses, service providers, and government organizations worldwide. The company's products and services include firewalls, VPNs, intrusion prevention systems, endpoint security, and more. Fortinet was founded in 2000 and is headquartered in Sunnyvale, California.
Learn more about Fortinet
Size
10,860 employees
Market Cap
$38.2 billion
Industry
Net Income
$486.2 million
Founded
2000
5 Year Trend
+21.2%
Revenue
$2.5 billion
NASDAQ

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