People Matter

Sr Principal Software Engineer



Software Engineering
San Jose, CA, USA
Posted on Wednesday, May 15, 2024

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.

Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.

Position Summary

Life at F5 is never dull. We are constantly identifying industry trends and disruptions, then innovating to get ahead of future customer needs—creating application services that help the world’s leading organizations deliver their critical business apps faster and with the highest levels of flexibility, security, performance, and quality.

We are looking for an experienced Sr principal Engineer to help design and implement features for Central Manager. Central Manager offers the most comprehensive solution for security and traffic management for apps spanning on-premises and multi-cloud architectures. This position provides technical and thought leadership opportunities that can make a significant impact to how our customers manage highly secure and performant applications.

Primary Responsibilities:

  • Serve as a source of technical expertise to multiple project teams.
  • Recommend and maintain technical design methodologies, processes, and technologies.
  • Bring best industry practices and help navigate changing technologies and upcoming trends to create a strategic company product roadmap.
  • Integrates research and emerging business/industry trends into company product platforms.
  • F5 technology spokesperson at internal and external forums.
  • Creates formal networks with key decision makers and serves as external spokesperson for the organization.
  • Collaborate and mentor team members and technical leads.
  • Be an Advocate for Quality.

Knowledge, Skills, Abilities:

  • Expert in microservices based architecture and deployment.
  • Deep understanding of Kubernetes and Kubernetes-based architectures.
  • Solid coding experience (Golang, React JS, Python Bash).
  • Internally and externally recognized as a technical, industry or product specialist.
  • Brings the voice of the customer into the SDLC.
  • Expert Knowledge and extensive experience with network and web technologies.
  • Worked extensively on Management plane.
  • Experience leading complex product development initiatives from concept through release.
  • Exceptional problem solving and project management skills.
  • Strong leadership skills and an ability to mentor and groom other engineers.
  • Demonstrated excellence in written and verbal communications.
  • Strong background working in Agile environments and with Agile methodologies.
  • Able to communicate ideas, make and influence decisions and inspire others.


  • Minimum of 12 years of related experience with a Bachelor's degree; or 9 years and a Master's degree; or a PhD with 6 years; or equivalent experience.

The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However, the description may not be all-inclusive, and responsibilities and requirements are subject to change.

The annual U.S. base pay range for this position is: $198,164.00 - $297,246.00

F5 maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, geographic locations, and market conditions, as well as to reflect F5’s differing products, industries, and lines of business. The pay range referenced is as of the time of the job posting and is subject to change.

You may also be offered incentive compensation, bonus, restricted stock units, and benefits. More details about F5’s benefits can be found at the following link: F5 reserves the right to change or terminate any benefit plan without notice.

Please note that F5 only contacts candidates through F5 email address (ending with or auto email notification from Yello/Workday (ending with or

Equal Employment Opportunity

It is the policy of F5 to provide equal employment opportunities to all employees and employment applicants without regard to unlawful considerations of race, religion, color, national origin, sex, sexual orientation, gender identity or expression, age, sensory, physical, or mental disability, marital status, veteran or military status, genetic information, or any other classification protected by applicable local, state, or federal laws. This policy applies to all aspects of employment, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination. F5 offers a variety of reasonable accommodations for candidates. Requesting an accommodation is completely voluntary. F5 will assess the need for accommodations in the application process separately from those that may be needed to perform the job. Request by contacting