Full-Time

Principal Software Development Engineer

Confirmed live in the last 24 hours

Fortinet

Fortinet

10,001+ employees

Provides cybersecurity solutions and services

Compensation Overview

$175k - $245k/yr

+ Equity Program + Bonus

Senior, Expert

Sunnyvale, CA, USA

In Person

Category
Backend Engineering
Embedded Engineering
Software Engineering
Required Skills
TCP/IP
Bash
Python
Go
C/C++
Linux/Unix
Requirements
  • B.S./M.S. with 8+ years of relevant experience.
  • Hands-on experience with the Linux kernel, debugging, development, performance tuning, etc.
  • Detailed knowledge of Linux kernel, scheduling, VFS, memory management, I/O, etc.
  • Detailed knowledge of Linux network internals, TCP/IP, netfilter, network driver, etc.
  • Good knowledge of processor architecture, x86, arm, etc.
  • Programming skills in C/bash/python/go.
  • Strong communication skills and ability to work with cross-function teams.
  • Enthusiasm for system-level techniques.
Responsibilities
  • Troubleshoot complex, system-level, multi-component issues that across multiple layers from kernel to application.
  • Provide system-level optimizations and improvements in the OS to meet the evolving business requirements.
  • Collaborate with our hardware team to support the delivery of our new platform.
  • Maintain the existing software components, OS related.
Desired Qualifications
  • Experience with virtualization/container/cloud technologies is preferred.

Fortinet provides cybersecurity solutions designed to protect organizations from digital threats. Its main product, the Fortinet Security Fabric, combines various security tools, including firewalls, endpoint security, intrusion detection systems, and secure SD-WAN, into a single platform. This integration allows users to manage their security needs more effectively. Fortinet distinguishes itself from competitors by offering a comprehensive suite of security products that cater to a wide range of clients, from large enterprises to small businesses. The company's goal is to ensure that organizations can operate securely in an increasingly complex digital landscape by providing ongoing security services through a subscription model.

Company Size

10,001+

Company Stage

IPO

Headquarters

Sunnyvale, California

Founded

2000

Simplify Jobs

Simplify's Take

What believers are saying

  • Growing demand for ZTNA solutions enhances Fortinet's secure remote access market opportunities.
  • Expansion of 5G networks increases need for Fortinet's advanced security solutions.
  • Rising ransomware attacks boost demand for Fortinet's endpoint security offerings.

What critics are saying

  • Departure of VP Ken McCray may disrupt channel partner relationships and sales strategies.
  • Significant property investments could strain financial resources and impact cash flow.
  • Sovereign SASE launch in UAE may face regional regulatory compliance challenges.

What makes Fortinet unique

  • Fortinet's Security Fabric integrates diverse security products for comprehensive threat protection.
  • Recognized as a leader in SD-WAN and LAN infrastructure by Gartner in 2024 and 2025.
  • Offers tailored security solutions for 5G networks and multi-cloud environments.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

Unlimited Paid Time Off

Paid Vacation

Paid Sick Leave

Paid Holidays

Hybrid Work Options

401(k) Company Match

Wellness Program

Mental Health Support

Employee & Family Assistance Plan

Company Equity

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

-2%

2 year growth

-2%
Fortinet
Jul 8th, 2025
Only Vendor to Be Named as a Gartner Peer Insights(TM) Customers' Choice for SD-WAN for the Sixth Time

Fortinet was also recently recognized as a Leader in the 2024 Gartner(R) Magic Quadrant(TM) for SD-WAN for the fifth consecutive year, positioned highest for Ability to Execute.

Tech Disruptor Media
Jul 2nd, 2025
Fortinet Named a Leader in the 2025 Gartner Magic Quadrant(TM) for EnterpriseWired and Wireless LAN Infrastructure for the Second Year in a Row

Fortinet, the global cybersecurity leader driving the convergence of networking and security, today announced it has been recognized as a Leader in the 2025 Gartner(R) Magic Quadrant(TM) for Enterprise Wired and Wireless LAN Infrastructure for the second year in a row.

FIRST
Jun 23rd, 2025
FIRST Announces New CORE Initiative with Fortinet as a Founding Partner

"Fortinet has collaborated with FIRST for more than a decade and is deeply committed to driving public-private partnership efforts that address cybersecurity risk to society," said Derek Manky, Chief Security Strategist and Global Vice President of Threat Intelligence, Fortinet.

Arabian Reseller
Jun 18th, 2025
Fortinet Launches Sovereign SASE Tailored for UAE Data Demands

Fortinet launches Sovereign SASE tailored for UAE data demands.

Ultranet
Jun 5th, 2025
This top security firm wants to train tens of thousands of kids on basic cybersecurity hygiene rules for free

Fortinet launches a free cybersecurity curriculum in Australian schools to build early digital resilience.