Fortinet

Principal Software Development Engineer

Reposted One Month Ago

Be an Early Applicant

Sunnyvale, CA, USA

In-Office

175K-245K Annually

Senior level

Security • Software • Cybersecurity

The Role

Troubleshoot and resolve complex system-level issues across kernel-to-application layers, optimize OS performance, maintain OS-related software components, collaborate with hardware team for new platform delivery, and apply deep Linux kernel and networking expertise.

Summary Generated by Built In

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.

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.
Experience with virtualization/container/cloud technologies is preferred.
Strong communication skills and ability to work with cross-function teams.
Enthusiasm for system-level techniques.

US citizenship is required

The US base salary range for this full-time position is $175,000-$245,000. 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.

Why Join Us:
We encourage candidates from all backgrounds and identities to apply. We offer a supportive work environment and a competitive Total Rewards package to support you with your overall health and financial well-being. Embark on a challenging, enjoyable, and rewarding career journey with Fortinet. Join us in bringing solutions that make a meaningful and lasting impact to our 660,000+ customers around the globe

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About Us

Fortinet (NASDAQ: FTNT) secures the largest enterprise, service provider, and government organizations around the world. Fortinet empowers its customers with intelligent, seamless protection across the expanding attack surface and the power to take on ever-increasing performance requirements of the borderless network - today and into the future. Only the Fortinet Security Fabric architecture can deliver security without compromise to address the most critical security challenges, whether in networked, application, cloud or mobile environments. Fortinet ranks number one in the most security appliances shipped worldwide and more than 500,000 customers trust Fortinet to protect their businesses.

We are committed to providing reasonable accommodations for all qualified individuals with disabilities. If you require assistance or accommodation due to a disability, please contact us at [email protected].

Fortinet is an equal opportunity employer. We value diversity in our company, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, military/veteran status or any other applicable legally protected characteristics in the location in which the candidate is applying.

Skills Required

B.S. or M.S. with 8+ years of relevant experience
Hands-on experience with the Linux kernel, debugging, development, performance tuning
Detailed knowledge of Linux kernel internals (scheduling, VFS, memory management, I/O)
Detailed knowledge of Linux network internals, TCP/IP, netfilter, network driver development
Good knowledge of processor architectures (x86, ARM)
Programming skills in C, Bash, Python, Go
Experience with virtualization, container, and cloud technologies
Strong communication skills and ability to work with cross-functional teams
Enthusiasm for system-level techniques
US citizenship

Fortinet Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Fortinet and has not been reviewed or approved by Fortinet.

Healthcare Strength — Healthcare offerings appear comprehensive, including medical, dental, vision, counseling, wellness programs, and HSA/FSA options. Some materials also highlight affordability and multiple plan choices.
Leave & Time Off Breadth — Time off is described as strong, with PTO and reports of flexible or even unlimited PTO depending on team or manager. These options contribute to a perception of good flexibility.
Parental & Family Support — Support includes maternity and paternity leave alongside childcare/parenting resources and adoption/surrogacy assistance. This indicates robust family-oriented benefits.