Principal Software Engineer, Tetragon
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Job Description
Principal Software Engineer developing Tetragon, a Kubernetes-aware observability and security tool for Cisco Isovalent. Guiding architectural direction and solving complex system-level challenges in modern cloud-native environments.
Responsibilities:
- Develop high-quality Go (and eBPF) code for the Tetragon project
- Extend Tetragon capabilities to mitigate security vulnerabilities
- Enhance Tetragon to better understand and control the execution flow of native (e.g., written in C/C++) or runtime-based (Java, Python, Go, etc.) applications
- Enhance Tetragon capabilities to filter malicious network packets that can trigger vulnerabilities in applications/systems
- Enhance Tetragon, and potentially the kernel and the eBPF sub-system, to mitigate against kernel-level vulnerabilities
- Design and optimize systems 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 Cisco Isovalent in community discussions
- Participate in architecture reviews, code reviews, and documentation
Requirements:
- Bachelors + 15 years of related experience, or Masters + 12 years of related experience, or PhD + 8 years of related experience or equivalent experience
- 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 for runtime security systems, observability, or similar
- Experience in OS-level development, distributed systems, or database systems
- Experience in debugging and performance optimization with a track record of delivering scalable systems
- Experience building eBPF-based systems for observability or security use cases (preferred)
- Solid background in Linux systems and kernel-level concepts (preferred)
- Familiarity with Kubernetes and cloud-native environments (preferred)
- Familiarity with CVE workflows, vulnerability data pipelines, or security event modeling (preferred)
- Familiarity with how vulnerable software is exploited at all levels (preferred)
- Strong experience in networking protocol analysis or experience in developing networking switches (e.g., L2/L3 protocols like ARP, DHCP, SNMP) (preferred)
- Contributions to open-source projects in networking, observability, or distributed systems (preferred)
Benefits:
- medical, dental and vision insurance
- 401(k) plan with a Cisco matching contribution
- paid parental leave
- short and long-term disability coverage
- basic life insurance
- 10 paid holidays per full calendar year
- 1 floating holiday for non-exempt employees
- 1 paid day off for employee’s birthday
- paid year-end holiday shutdown
- 4 paid days off for personal wellness
- 16 days of paid vacation time per full calendar year for non-exempt employees
- flexible vacation time off program for exempt employees
- up to 80 hours of unused sick time carried forward from one calendar year to the next
- additional paid time away may be requested
- optional 10 paid days per full calendar year to volunteer
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