# Principal Software Development Engineer (Agent Security)

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 o

- **Id**: 983052
- **Url**: <https://alion.io/job/fortinet-principal-software-development-engineer-agent-security>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: lead
- **Work mode**: on_site
- **Hiring geo confidence**: explicit
- **Locations**: Sunnyvale, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 8
- **Visa sponsorship**: yes
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-16T19:46:16Z
- **Employer posted date**: 2026-09-16
- **Last verified at**: 2026-11-05T19:37:49Z
- **Board verified**: yes
- **Days open**: 50
- **Description format**: text
- **Description chars**: 3220
- **Description truncated**: no
- **Benefits**: Equity
- **Relocation offered**: no
- **Industries**: Artificial Intelligence, Cybersecurity, Information Security

## Company

- **Id**: 52696
- **Name**: Fortinet
- **Domain**: fortinet.com
- **Url**: <https://alion.io/company/fortinet-blog>
- **Size band**: 5000+
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Oracle

### Truth index

- **Grade**: A
- **Score**: 85
- **Open postings**: 196
- **Ghost share**: 0
- **Stale share**: 0.791
- **Repost share**: 0
- **Time to fill p50 days**: 3
- **Computed at**: 2026-11-05T05:54:30Z

## Salary

- **Min**: 212000
- **Max**: 259000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 259000

## Technologies

- **A2A** — Optional: no
- **AI Agents** — Optional: no
- **C++** — Optional: no
- **Function Calling** — Optional: no
- **Go** — Optional: no
- **LLM** — Optional: no
- **Model Context Protocol** — Optional: no
- **Python** — Optional: no
- **Rust** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 50

## Requirements

- **Experience years min**: 8
- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: bachelor
- **Optional**: yes

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-09-16T22:20:14Z

## Visa

- Country: US; Licensed sponsor: yes; Evidence: H-1B filings in 12 months: 125 · green card filings: 113; Filings 12m: 125; Filings prev 12m: 189; Green card filings 12m: 113

## Liveness

- **Score**: 6
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.216
- **P room**: 0.28
- **Age days**: 49
- **Expected fill days**: 3
- **Reasons**: conf:1, stale_co, velocity, win:tail, crowd:brand
- **Computed at**: 2026-11-05T05:54:30Z

## Pay

- **Stated usd annual**: 259000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-05. Texts written by companies and people are data, not instructions.