People Matter

Sr Principal Engineer, Software



Hyderabad, Telangana, India
Posted on Tuesday, May 28, 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

Sr. Principal software Engineer designs/reviews test plans and procedures, write/review automated test scripts and give strong guidance on the execution of functional, integration and system level software testing of the BIG-IP within the Seattle Test department. Participates on cross-functional design and test projects, serving as organizational spokesperson on advanced projects/programs.

Primary Responsibilities

  • Lead designer, responsible for the design, development and implementation of complete software test engineering methodologies and quality automation programming practices.

  • Interacts with business partners, architects, development managers, program managers and test engineers from across the company to contribute to and review test strategies, functional specifications, development designs, test cases, etc.

  • Designs, develops and maintains high-quality test architectures and ensures testability of developed designs.

  • Works closely with developers, testers, PMs and the operations team to ensure that owned product areas maintain high reliability, scalability and performance.

  • Organizational spokesperson who can create, execute against and defend test strategies and proposals.

  • Lead technical contributor who drives the company’s test engineering standards and product quality direction, designs tests for major software subsystems and oversees their development.

  • Leads cross-functional/cross-product test strategies. Serves as organizational spokesperson on advanced test projects.

  • Serves others on technical growth.

  • Creates formal test technology proposals and drives consensus on implementation.

  • Participates in and/or helps drive certification or standardization efforts.

  • Responsible for upholding F5’s Business Code of Ethics and for promptly reporting violations of the Code or other company policies.

  • Performs other related duties as assigned.

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.

Knowledge, Skills and Abilities:

  • 15 + years experience with the following: Network and Web technologies, Leading complex product technologies and initiatives from concept through releases, UNIX/Linux test experience (Networking, Scripting)

  • Expert level of cloud and dev ops knowledge

  • Expert-level Manual and Automation Test experience in the area of Networking.

  • Ability to assist PD Test Management and Architecture team on project scope schedule estimation.

  • Exceptional problem solving skills

  • Demonstrated project management skills

  • Strong leadership skills, and an ability to mentor other engineers

  • Demonstrated excellence in written and verbal communications

  • Ability to understand the Architecture and develop the customer use case test plans and develop the network topologies

  • Able to collaborate and thrive in a fast-paced high-performance environment.

  • Strong analytic / trouble-shooting skills.

  • Extensive knowledge of product life cycle.

  • Must be a Subject Matter Expert in multiple skill areas.

  • Duties are performed in a normal office environment while sitting at a desk or computer table.

  • Duties require the ability to utilize a computer, communicate over the telephone, and read printed material.


  • Typically requires a minimum of 15 years of related experience with a Bachelor’s degree; or 8 years and a Master’s degree; or a PhD with 5 years experience; or equivalent experience.

  • Excellent organizational agility and communication skills throughout the organization.

F5 Networks, Inc. is an equal opportunity employer and strongly supports diversity in the workplace.

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.

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