F5 · 2 weeks ago
Principal Software Engineer / Network Drivers
Greater Seattle Area
Full-time
Onsite
Lead/Staff
$186K/yr - $280K/yr
8+ years expF5 is a company that strives to bring a better digital world to life, focusing on cybersecurity and application performance. They are seeking a Principal Software Engineer to design, develop, and test network drivers for their flagship Application Delivery Controller, BIG-IP, ensuring high performance and security in application delivery.
Consumer ElectronicsSaaSSecurityVirtualization
Responsibilities
Serve as the technical expert for network driver design and architecture
Drive analysis of requirements
Assist manager and architect with project estimates
Liaise with cross-functional teams to ensure that project is delivered in its entirety
Act as a mentor for junior members of the team
Design and implement network drivers and test automation for them
Research, investigate, and define new areas of technology to enhance existing products or identify new product directions
Conduct presentations internally and externally
Participate in hiring and onboarding process
Uphold F5’s Business Code of Ethics
Qualification
Required
Must have a strong C development background
Must have experience and knowledge of networking protocols, architecture, and technologies
Experience with Linux user space and kernel space driver development
8+ years' programming experience
Excellent analytical and debugging skills
Ability to manage ambiguity in work
Ability to present ideas verbally and in-writing with clarity and precision
A minimum of 8+ years of related work experience with a Bachelor's degree; or 6-8 years work experience and a Master's degree; or a PhD with 5 years' work experience
Preferred
Experience with DPDK's network PMDs
Exposure to containerization solutions (like Kubernetes) and Microservices Architecture
Well-versed in GitLab and/or similar repository solution
Benefits
Incentive compensation
Bonus
Restricted stock units
Benefits
Company
F5 is a multi-cloud application services and security company that specializes in application security, performance, and delivery.
5001-10000 employees
H1B Sponsorship
F5 has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (155)
2024 (110)
2023 (211)
2022 (194)
Funding
Current Stage
Public CompanyTotal Funding
unknownKey Investors
Elliott Management Corp.
2020-11-08Post Ipo Equity
1999-06-04IPO
1998-09-24Series Unknown
Leadership Team
François Locoh-Donou
President and CEO
Mohan Veloo
Chief Technology Officer - Asia Pacific, China & Japan
Recent News
2025-12-24
Company data provided by crunchbase