Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. At Fortinet, our mission is to safeguard people, devices, and data everywhere. We are currently seeking a Senior Low-Level Developer to contribute to the success of our rapidly growing business.

We are looking for a highly skilled and motivated Senior Low-Level Developer to join our growing Low-Level Research Team, part of the Forti Mail Workspace group.

You’ll work on improving our detection and sandboxing technology, especially our Hardware-Assisted Platform (HAP) sandbox, which provides real-time prevention against sophisticated threats.

You’ll be responsible for designing and implementing low-level system capabilities, extending our sandbox and detection infrastructure, and translating security research into robust, production-grade detection and prevention mechanisms.

As a senior low-level developer, you will play a critical role in shaping the future of our threat detection and prevention technologies by:

• Learn how our HAP sandbox works in depth and help evolve its architecture by adding new low-level threat detection and prevention logic

• Design and implement Windows kernel–level features, including drivers and OS instrumentation inside guest VMs

• Research Windows OS internals to improve malware detection, prevention, and visibility at the system level

• Research the Linux kernel and develop code in KVM / virtualization modules to support and extend our sandbox infrastructure

• Work on core infrastructure and performance-critical components of the sandbox

• Explore new detection ideas and help turn them into real, working security features

• Develop deep expertise in a focused area of security, becoming the go-to person on your team for that topic

We Are Looking For:

• 5+ years of experience in Windows/Linux kernel development

• Proven experience developing low-level security solutions

• Hands-on experience researching Windows / Linux internals

• Strong familiarity with C and x86 and x86-64 assembly

• Experience with Python

• Experience with debuggers such as Windbg, x64dbg

• Experience with reverse engineering

• Advantage

• Experience applying machine learning to malware detection, classification, or behavioral analysis – Advantage

• Vulnerability research or exploitation techniques – Advantage

Why Join Us:

At Fortinet, we embrace diversity and inclusivity. We encourage applications from diverse backgrounds and identities. Explore our welcoming work environment designed for a rewarding career journey with an attractive Total Rewards package to support you with your overall health and financial well-being. Join us in bringing solutions that make a meaningful and lasting impact to our 660,000+ customers around the globe.

We will only notify shortlisted candidates.

Fortinet will not entertain any unsolicited resumes, please refrain from sending them to any Fortinet employees or Fortinet email aliases. Should any Agency submit any resumes to Fortinet, these resumes if considered, will be assumed to have been given by the Agency free of any related fees/charges.