Who We Are Isovalent, now part of Cisco, is the company founded by the creators of Cilium and eBPF. Cisco Isovalent builds open-source software and enterprise solutions solving networking, security, and observability needs for modern cloud native infrastructure. The flagship technology, Cilium, is the choice of numerous, industry-leading, global organizations. We believe in fostering an inclusive and diverse workplace where every team member feels valued, respected, and empowered. We believe that every employee contributes to our success, and we are committed to fostering an environment where everyone can thrive. We encourage candidates from all backgrounds to apply and join us in our mission to deliver exceptional products and services. Who You Are You are an expert Open Source Developer with a strong track record of contributing to and integrating features into high-impact open source projects. You thrive in collaborative environments, working closely with maintainers and contributors to improve and extend widely adopted projects. You are comfortable engaging in technical discussions with upstream communities, presenting new ideas. You have superb communication skills that allow you to advocate for new features, write clear technical documentation, and foster engagement across multiple teams and organizations. You are not afraid to take ownership of complicated integration efforts, ensuring that new capabilities align with community best practices and project goals. Your contributions will help shape the future of open source networking and security. What You Will Do You will work alongside some of the most talented and driven individuals in the industry to drive the evolution of Cisco's Hypershield solution. You will identify key areas for improvement, contribute upstream to critical open source projects, and advocate for new features that enhance performance, scalability, and security. You will collaborate closely with developers, maintainers, and project stakeholders, ensuring seamless integration of new capabilities into widely adopted software. You will help define technical strategies, engage with open source communities, and drive consensus on architectural decisions. Working in an agile, startup-style environment with minimal bureaucracy, you will take ownership of complex challenges, contributing code, documentation, and design discussions that shape the future of security at Cisco. Minimum Requirements: * BS/BA degree * 5+ years eBPF & Linux Systems Development - experience with eBPF, Linux networking, kernel internals, and performance tuning * 3+ years of Go Programming - Experience developing production-grade applications in Go, particularly in networking, security, or distributed systems. * 5+ years of Open Source Development Experience - track record of contributing to and integrating features into upstream open source projects, especially those with large user bases. * Network Security & Observability - Demonstrable understanding of network security principles, intrusion detection, traffic analysis, and observability tooling. Desired Qualities: * Expertise in Kubernetes & Distributed Applications - Deep understanding of Kubernetes architecture, service meshes, and cloud-native security practices. * Excellent Communication & Collaboration - Ability to engage with open source communities, drive consensus, and write clear technical documentation. * Self-Directed & Impact-Driven - Ability to work independently, take initiative, and drive meaningful contributions in a fast-paced, minimal-bureaucracy environment. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. \#WeAreCisco #WeAreCisco where every individual brings their unique skills and perspectives together to pursue our purpose of powering an inclusive future for all. Our passion is connection—we celebrate our employees’ diverse set of backgrounds and focus on unlocking potential. Cisconians often experience one company, many careers where learning and development are encouraged and supported at every stage. Our technology, tools, and culture pioneered hybrid work trends, allowing all to not only give their best, but be their best. We understand our outstanding opportunity to bring communities together and at the heart of that is our people. One-third of Cisconians collaborate in our 30 employee resource organizations, called Inclusive Communities, to connect, foster belonging, learn to be informed allies, and make a difference. Dedicated paid time off to volunteer—80 hours each year—allows us to give back to causes we are passionate about, and nearly 86% do! Our purpose, driven by our people, is what makes us the worldwide leader in technology that powers the internet. Helping our customers reimagine their applications, secure their enterprise, transform their infrastructure, and meet their sustainability goals is what we do best. We ensure that every step we take is a step towards a more inclusive future for all. Take your next step and be you, with us! Cisco is an Affirmative Action and Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, national origin, genetic information, age, disability, veteran status, or any other legally protected basis. Cisco will consider for employment, on a case by case basis, qualified applicants with arrest and conviction records.