Software Development Engineer III Agentic AI

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.

Who We Are

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 cybersecurityprotecting consumers from fraud and enabling companies to focus on innovation.

Everything we do centers around people. We obsess over improving the lives of our customers (and their customers) and we prioritize a diverse F5 community where each individual can thrive.

BeF5 LeadF5 (How We Show Up)

This role is grounded in F5s BeF5 and LeadF5 principles: you put customers at the center operate with ownership and accountability build trust through inclusive collaboration and raise the bar through technical excellence and continuous learning. You lead through influenceclarifying direction aligning teams and delivering outcomes with integrity.

Position Summary

F5 is seeking an exceptional senior individual contributor to design and implement agentic experiences on F5s Distributed Cloud Platform (F5XC). You will help create reliable secure and scalable agentic systemsspanning user experience APIs orchestration evaluation safety controls and operational readiness. This role blends deep distributed-systems engineering with applied AI engineering to deliver production-grade agentic workflows customers can trust.

Key Responsibilities

• Architect and build agentic experiences: Design and implement end-to-end agentic workflows (planning tool-use memory retrieval execution and feedback loops) that are secure observable and reliable in production.
• Platform-grade implementation: Deliver services/APIs that enable agentic capabilities on a multi-tenant SaaS platform with strong guarantees around latency scale resiliency and manageability.
• Safety security and trust: Build guardrails for agentic behavior (policy enforcement prompt/tool security secrets handling auditability abuse prevention and data boundaries) aligned with F5s security mission.
• Evaluation and quality: Define and automate evaluation strategies for agentic systems (offline test suites regression harnesses golden tasks telemetry-driven iteration and failure-mode analysis).
• Operational excellence: Own reliabilityinstrumentation tracing debugging runbooks incident response learnings and continuous improvement for agentic services in production.
• Cross-functional leadership: Partner with Product UX Security SRE and Engineering teams across geographies to define requirements shape roadmaps and deliver customer value.
• Mentorship and influence: Raise engineering standards through design reviews code reviews technical guidance and by modeling inclusive collaboration and ownership.

Required Knowledge Skills and Abilities

• Deep distributed systems expertise: Proven experience designing highly available scalable services with strong operational rigor (resiliency patterns rate limiting backpressure multi-region considerations).
• Strong software engineering fundamentals: Expertise in one or more of Golang Python Java (or similar) with production-quality coding testing and API design practices.
• Agentic systems experience: Hands-on experience building agentic applications/services (tool orchestration function calling/tool APIs RAG patterns memory strategies planning/execution loops and failure recovery).
• Security mindset: Understanding of common risks and mitigations in agentic/LLM systems (prompt injection data exfiltration tool misuse authorization boundaries tenant isolation).
• Cloud-native proficiency: Experience with major cloud providers (AWS/Azure/GCP) and cloud-native architectures.
• Containers and orchestration: Strong experience with Docker and Kubernetes (deployment patterns image lifecycle service networking scaling strategies).
• CI/CD and engineering hygiene: Git-based workflows modern CI/CD automated testing and release discipline.
• Data systems: Hands-on experience with SQL and/or NoSQL technologies and designing data access patterns for scale and correctness.
• Communication and collaboration: Clear written/verbal communication; ability to align stakeholders document decisions and drive execution across teams.

Preferred Qualifications

• Experience building multi-tenant SaaS platform services and/or edge/distributed compute offerings.
• Experience with L3L7 networking concepts relevant to secure application delivery (identity routing policy enforcement gateways).
• Experience building developer platforms/SDKs for AI or workflow orchestration.
• Familiarity with observability stacks (metrics logs traces) and operating production systems at scale.

Education & Experience

Typically requires 8 years of related experience with a bachelors degree; or 6 years with a masters degree (or equivalent practical experience).

Why Youll Love This Role

• Ownership with impact: Build foundational agentic capabilities that shape how customers securely operate modern applications.
• High-caliber collaboration: Work with talented kind peers across Engineering Product UX Security and SRE.
• Growth-focused environment: Freedom to learn experiment responsibly and continuously raise the barwhile staying grounded in customer outcomes and operational excellence.

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 .

Required Experience:

Unclear Seniority

Employment Type : Full-Time
Experience: years
Vacancy: 1