> Markdown version of [/jobs/ext/2194056-principal-tetragon-software-engineer](https://www.wearedevelopers.com/jobs/ext/2194056-principal-tetragon-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Tetragon Software Engineer - **Company:** Cisco Systems, Inc. - **Location:** San Jose, CA, United States - **Experience:** Expert - **Salary:** $250,600.0 - **Contract:** Permanent contract - **Skills:** C (Programming Language), Java (Programming Language), Address Resolution Protocols, Artificial Intelligence, C++ (Programming Language), Cloud Computing, Code Review, Communications Protocols, Cyber Security, Computer Programming, Databases, Dynamic Host Configuration Protocol, Software Debugging, Linux, Distributed Systems, Python (Programming Language), Network Security, Network Layer, Linux Kernel, Network Protocols, Open Source Technology, Requirements Management, Simple Network Management Protocols, Software Engineering, System Programming, Virtual Machines, Rust (Programming Language), Network Switches, Scripting, Kubernetes, Data Management, Splunk, Data Pipelines, Cisco, Golang - **Published:** August 23, 2026 - **Apply:** https://www.careerbuilder.com/job-details/principal-tetragon-software-engineer-san-jose-ca--4c560143-ee7d-4bb8-bbdd-dbe7d2f9da2d ## About the Role * Bachelors + 15 years of related experience, or Masters + 12 years of related experience, or PhD + 8 years of related experience orequivalentexperience * 10+ years of experience in systems programming (C, C++, Go, Rust, or similar; Tetragon is primarily written in Go). * Proven experience leading technical direction or architecture forruntimesecuritysystems, observability, orsimilar. * ExperienceinOS-level development, distributed systems, or database systems. * Experience in debugging andperformanceoptimization witha track recordof delivering scalable systems. Preferred Qualifications * Experience buildingeBPF-based systemsfor observability or security use cases. * Solid background in Linux systems and kernel-level concepts. * Familiarity with Kubernetes and cloud-native environments. * Familiarity with CVE workflows, vulnerability data pipelines, or security event modeling. * Familiaritywith how vulnerable software is exploited at all levels * Strong experience in networking protocol analysis or experience in developing networking switches (e.g., L2/L3 protocols like ARP, DHCP, SNMP) * Contributions to open-source projects in networking, observability, or distributed systems. * Experience working across diverse, distributed teams, ARP (Address Resolution Protocol), Architectural Services, Artificial Intelligence (AI), C Programming Language, C++ Programming Language, Cisco Network Systems, Cloud Computing, Code Reviews, Computer Security, DHCP (Dynamic Host Configuration Protocol), Data Management, Database Technology, Debugging Skills, Distributed Computing, Documentation, Enterprise Protection, Go Programming Language (Golang), Java, Kernel Programming, Layer 3 Protocols, Leadership, Linux Kernel, Network Performance/Analysis, Network Protocols, Network Security, Network Switching, Open Source, Protocol Analysis, Python Programming/Scripting Language, Requirements Management, Rust Programming Language, SNMP (Simple Network Management Protocol), Sales, Sales Strategy, Software Engineering, Splunk, Systems Scalability, Systems/Internals Programming, Team Player, Technical Leadership, Use Cases, VMS Operating System, Vehicle Fleets, Virtual Machine (VM) ## Description * EnhanceTetragon to better understand and control the execution flowof native(e.g., written in C/C++) orruntime-based (Java, Python, Go, etc.)applications * Enhance Tetragon capabilities to filter malicious network packets that can triggervulnerabilitiesinapplications / systems * Enhance Tetragon, and potentially the kerneland theeBPFsub-system, to mitigate against kernel-levelvulnerabilities. * Design andoptimizesystems to deploy and manage Tetragon across large fleets, in K8s or other environments (VMs). * Architect infrastructure that converts raw event data into intelligence streams with minimal performance overhead. * Partner across teams to align requirements, define integration points, and deliver production-ready solutions. * Contribute to open-source projects and represent CiscoIsovalentin community discussions. * Participate in architecture reviews, code reviews, and documentation. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Retooling and refactoring - an investment in people.](https://www.wearedevelopers.com/videos/371-retooling-and-refactoring-an-investment-in-people) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)