Site Reliability Engineer I I

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 This mid-level SRE II position is responsible for designing, implementing, and maintaining secure, scalable enterprise solutions within the Information Security team. The successful candidate will apply an engineering-based approach to solving complex security and reliability challenges, leveraging machine data analytics and log analysis across the enterprise. Designing systems that touch critical business functions—from customer ordering and public websites to internal fulfillment processes and product development. You will partner with senior technical leaders and cross-functional teams to architect solutions, implement security protocols, and drive F5's digital transformation through secure and flexible platforms. This position is based in Seattle, WA. Primary Responsibilities Design and architect scalable, secure system solutions under the guidance of senior technical leaders, with focus on enterprise-scale distributed systems Implement security-focused solutions using engineering best practices and machine data analytics for security across the enterprise Lead initiatives in log analysis, intrusion detection, and security analytics with supervision and mentorship Apply DevOps tooling and API scripting to solve complex operational and security challenges Develop and articulate technical proposals and implementation timelines under senior review Partner with cross-functional teams to design and implement enterprise-scale solutions with focus on scalability, performance, and security Collaborate on service availability and quality initiatives to deliver high-quality, secure services Assist in incubating new ideas for business outcomes and security improvements Contribute to F5's digital transformation by designing systems that provide secure and flexible platforms for internal teams Support data-driven decision-making through effective design, delivery, and tooling Participate in code reviews and technical design discussions to ensure quality and engineering excellence Troubleshoot and resolve complex security and reliability issues, escalating to senior architects as needed Actively collaborate with team members and senior technical leads to deliver quality solutions Participate in on-call rotation activities with senior engineer support for critical security incidents 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 Knowledge, Skills and Abilities Strong engineering-based approach to problem-solving with focus on quality and excellence Proficiency in a variety of scripting languages and tools (Python, PowerShell, Bash, Shell) Solid understanding of API design and scripting for enterprise solutions Working knowledge of DevOps tooling, infrastructure automation, and security protocols (such as SAML) Understanding of enterprise distributed systems, scalability, and performance optimization Knowledge of machine data analytics and log analysis for security purposes Receives regular direction and mentorship from senior-level SRE and security staff Strong analytic and problem-solving skills with the ability to think strategically Ability to collaborate and thrive in a fast-paced, high-performance environment Strong team player with a willingness to learn and grow Demonstrated excellence in written and verbal communications Effective communicator capable of creating technical partnerships across teams Ability to take constructive feedback and apply it to improve work quality Flexibility and adaptability to changing requirements and technical landscapes Exposure to security protocols and security-first architectural approaches is a plus Experience with containerization and orchestration platforms is a plus Automation tooling such as Terraform or Chef is a plus Exposure to AI tooling such as Generative AI, LLMs, and prompts is a plus Qualifications Successfully completed a Summer 2026 internship with F5 Master’s degree in Computer Science, Mathematics, Engineering, or a related technical field, or additional relevant experience. Must be able to start no later than September 30th, 2027 Must be able to work onsite in accordance with F5's policies; fully remote work options are not available Demonstrated experience with scripting and development using Python, PowerShell, or similar languages Understanding of DevOps practices and tooling Strong understanding of software development and systems engineering principles Exposure to security protocols and security best practices Ability to work effectively in a team environment with developing independent skills Distributed systems concepts and scalability principles Why You'll Love F5 Seamless Transition: Move from internship to full-time with continuity in your team, projects, and growth trajectory into a mid-level technical role Professional Development: Continue developing your SRE and security engineering skills with ongoing training, mentorship, and access to advanced learning opportunities in infrastructure, security, and enterprise architecture Meaningful Work: Contribute to real business impact by designing secure, scalable systems that touch every element of F5's business and drive digital transformation Security Focus: Work at the intersection of reliability and security, gaining expertise in machine data analytics, log analysis, and enterprise security practices Collaborative Culture: Work alongside experienced SREs, security engineers, and leaders in an inclusive, innovative environment with opportunities to build technical partnerships Career Growth: Excel in your role and build a long-term career path in SRE and security engineering with F5, including opportunities for advancement to senior architect roles Inclusive Community: Be part of F5's diverse, people-first culture where individual contributions are valued Compensation & Benefits Competitive salary commensurate with experience and market conditions Comprehensive health, wellness, and retirement benefits Professional development and continuous learning opportunities Work-life balance benefits including flexible work arrangements Hybrid work environment with periodic in-office collaboration in Seattle Mentorship and career growth opportunities within the F5 Digital and Information Security organizations Access to F5's employee resource groups and community 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: $114,400.00 - $171,600.00 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 notificat