Sr Software Development Engineer - Testing and Performance

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 The System Integration team is looking for an experienced software engineer with a passion for quality and a strong foundation in performance testing, networking concepts, and test automation. In this role, you will have the opportunity to work with various teams from product marketing to development engineers. The role will involve performance testing as well as test design and automation of TMOS and F5OS applications. An ideal candidate will have experience or knowledge in these areas. The person in this role will be working as part of a US multi-site team that values strong collaboration and support of our teammates in a diverse and inclusive environment, leveraging AI to enhance productivity and foster creative problem-solving. Primary Responsibilities Experience in handling performance regression and debugging failures to find product bugs. Works both independently and with principal engineers to develop high-quality test automation that verifies system level features. Emphasis in this position will be in traffic automation design and automation. Executes, analyzes and evaluates test results, reports and assists in resolution of product issues. Participate actively in code review process; posting reviews; incorporating feedback along with reviewing automation submitted by other team members for adherence to coding standards Develops expertise in features and components of the product to understand how to design test automation to verify the feature. Knowledge and Skills Experience with developing Python-based test automation frameworks to validate F5 BIG-IP or F5OS products preferred. Background in TMM a plus. Solid understanding of software quality methodologies and processes. Expertise with container technologies (e.g. Kubernetes, Docker, etc.) Experience with CI/CD and project management tools (e.g. Git, Gitlab, Jira, Bugzilla, etc) Experience with RESTful API development, JSON, and microservice architectures. Able to collaborate and thrive in a fast-paced high-performance environment. Knowledge of IP networking: routing, switching, and network standards from layer 1 through the transport and application layers. Strong organizational skills, analytical skills, attention to detail and excellent problem solving/troubleshooting skills. Strong networking knowledge, working knowledge of HTTP, DNS, TCP/IP required. Ability to balance multiple projects as once in a high paced environment Required Qualifications: Experience working with TMOS or F5OS. Masters or Bachelor’s degree in Computer Science, Software Engineering, or equivalent field or work experience. Experience in writing traffic automation using industry-standard traffic generators such as Ixia. Experience in the testing and/or development of computer software. Preferred Qualifications: Preferably in the Linux environment using Python. Track record of building automation scenarios that validate product requirements and execute customer scenarios with reliability and stability. Experience working with geographically dispersed teams preferred. Work experience in performance testing is a plus. 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: $161,600.00 - $242,400.00 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 @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 [email protected]. Hybrid: Employees within 30 commutable miles of an F5 office are required to work from the office a minimum of 30 business days per quarter. Remote: Primarily work from designated home location but can come into an F5 office to work or travel to an offsite location as needed. Together, we're building a better digital world. Founded in 1996, F5 is a global leader in application delivery and security. Our premier platform helps customers secure and deliver every app, API, and piece of infrastructure across all environments. Backed by over three decades of expertise and 553 patents, our solutions protect against threats while ensuring fast, reliable digital experiences. With over 6,400 employees, we serve more than 23,000 customers in over 170 countries. To continue this work, we need people like you—the best minds in the industry. We're committed to a unique, human-first culture that encourages authenticity, prioritizes diversity and inclusion, and fosters the growth and success of our employees. Apply tot his job