Technical Leader, Performance Engineering - Tetragon

Responsibilities

• Tetragon is a flexible, Kubernetes-aware observability and security tool that delivers real-time insights and enforcement. Leveraging the power of eBPF , Tetragon provides low-overhead, in-kernel visibility and intelligence across diverse environments.
• Develop high-quality Go (and eBPF ) code for the Tetragon project.
• Understand and analyze Tetragon 's performance and overheads
• Design and implement novel ways to minimize Tetragon's CPU overhead and memory footprint
• Partner across teams to align requirements, define integration points, and deliver production-ready solutions.
• Contribute to open-source projects and represent Cisco Isovalent in community discussions.
• Participate in architecture reviews, code reviews, and documentation .

Requirements

• Bachelors + 8 years of related experience, or Masters + 6 years of related experience, or PhD + 3 years of related experience
• 8 + years of experience in systems programming ( C, Go , or similar; Tetragon is primarily written in Go).
• Experience in any of these areas: Linux systems, Kernel-level development or eBPF programming for observability or security use cases , or e xperience in building scalable Go systems .
• Experience in performance analysis and optimization .
• Experience in analyzing and improving the performance and memory consumption of eBPF and Go programs .
• Experience in debugging and optimization with a track record of delivering scalable systems.
• Knowledge of e BPF for observability or security use cases.
• Solid background in Linux systems and kernel-level concepts.
• Familiarity with Kubernetes and cloud-native environments .
• Exposure to real-time streaming/aggregation systems and database performance optimization.
• Contributions to open-source projects in networking, observability, or distributed systems.
• Experience working across diverse, distributed teams .
• Why Cisco?
• We are Cisco, and our power starts with you.
• Message to applicants applying to work in the U.S. and/or Canada:
• The starting salary range posted for this position is $210,600.00 to $305,100.00 and reflects the projected salary range for new hires in this position in U.S. and/or Canada locations, not including incentive compensation*, equity, or benefits.
• Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training. The full salary range for certain loca

Benefits

Additional Information

The application window is expected to close on: 06/23/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received . Meet the Team 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 technologies, Cilium and Tetragon, are 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.

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