People Matter

Sr Principal Engineer

Volterra

Volterra

San Jose, CA, USA
USD 207,279-310,919 / year + Equity
Posted on Jun 12, 2025

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:
We are seeking a Senior Principal Engineer to lead the design and development of Control Plane for F5’s cloud native BIGIP products. You would be responsible for crafting and maintaining control-plane architecture that is resilient, scale and performance tested and free from security vulnerability. This Control Plane provides a global, scalable, and secure way to deploy applications to multiple tenants at the same time. The ideal candidate will exhibit exceptional technical leadership, mentoring abilities, and a vision for innovation that aligns with the company's long-term goals.

Primary Responsibilities:

  • Serve as the technical lead for BIGIP Kubernetes control plane, guiding design and architecture decisions that align with organizational objectives
  • Independently determine and develop approaches to solutions for assigned projects by identifying, resolving and mitigating risk and communicating to others
  • Provide guidance and mentorship to engineering teams, fostering a culture of innovation, collaboration, and continuous improvement
  • Liaise with cross-functional teams, including Product Management and Customer Support, to ensure seamless delivery of product features and enhancements.
  • Drive research efforts to explore new technologies and methodologies, translating findings into actionable design improvements and product enhancements.
  • Act as a mentor for junior members of the team
  • Actively communicate technical concepts through discussions, white papers, and presentations
  • Perform other related duties as assigned, which may include on-call responsibilities or travel as necessary (approximately 5%)

Knowledge, Skills, and Abilities:

  • Proficiency in Kubernetes, CRDs, Helm, gRPC etc. is required
  • Must be expert at GO, C/C++ programming language
  • Must have strong background in networking technologies & protocols like IP, TCP, UDP, DNS, HTTP etc
  • Experience developing applications in docker/container-based cloud environment
  • Working knowledge of application deployment/orchestration using Kubernetes is desired
  • Experience writing automated unit/functional tests
  • Experience with gitlab/github or other source code management is needed
  • Outstanding problem solving, analytical and troubleshooting skills
  • Experience with AWS and other cloud technologies is a plus
  • Able to own various complex problems, collaborate and thrive in a fast-paced high-performance environment
  • Regularly demonstrates collaboration by promoting others’ ideas, working well within and other teams, influencing others, and making teams successful
  • Demonstrated leadership role within project team
  • Must be passionate and enjoy solving complex problems. This is a fast paced, innovative environment and requires candidate to grasp new technologies quickly
  • Demonstrated excellence in written, interpersonal, and verbal communications. Regularly finds ways to communicate widely through discussions, white papers, publications and other. Willingness and ability to write good functional specification and design document

Qualifications:

Typically requires a minimum of 15 years of related experience with a Bachelor’s degree; or 12 years with a Master's degree; or a PhD with 8 years of experience; or equivalent experience.

#LI-ZB1

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 base pay for this position is: $207,279.00 - $310,919.00

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: https://www.f5.com/company/careers/benefits. 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 @f5.com) or auto email notification from Workday (ending with f5.com or @myworkday.com).

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 accommodations@f5.com.