Tetragon Software Engineer, Technical Leader Apply (https://jobs.cisco.com/jobs/Login?projectId=1444405) + Location:Offsite, San Jose, California, US + Alternate LocationRemote, United States of America + Area of InterestEngineer - Software + Compensation Range183800 USD - 263600 USD + Job TypeProfessional + Technology InterestSecurity + Job Id1444405 The application window is expected to close on:August 15, 2025. NOTE: 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 andeBPF. CiscoIsovalentbuilds 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 ofnumerous, 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. **Your Impact** Cilium Tetragon is a flexible, Kubernetes-aware security tool, with real-time observability and enforcement. Leveraging the power ofeBPF, Tetragon offers a low-overhead, in-kernel solution that enhances security posture by monitoring system behaviors such as process executions, system call activities, network activity and file access events for both embedded systems and cloud native environments. This role is for a Tetragon software engineer primarily with focus on developing the Tetragon agent, enablement for various embedded platforms and cloud environments, and developing Tetragon’s BPF programs that are loaded to detect and prevent malicious activity. **What** **you’ll** **do:** + Develop high-quality Go (andeBPF) code for the Tetragon project + Be a part of the Tetragon, Cilium, andeBPFOSS communities + Design and implement advancedeBPF-based runtime security mechanisms for embedded,Kubernetesand VM environments. + Enhance and improve Tetragon's network parser capabilities. + Tackle challenging technical problems + Participate in code reviews, architectural discussions, and contribute to technical documentation **Minimum Qualifications** + 7+ years of experience in Systems programming like C, C++, C#, Go or Rust(Tetragon is primarily written in Go) + Experience inany of these areas:Linux systems,Kernel-level developmentBPF oreBPFprogramming for observability or security use cases + Strong experience in networking protocol analysis or experience in developing networking switches (e.g., L2/L3 protocols like ARP, DHCP,SNMP) + Experience working with or building forembedded systems(e.g., custom build environments, resource-constrainedhardware) **Preferred Qualifications** + Prior experience integrating or developing security frameworks for infrastructure-level products + Background in threat modeling, risk analysis, or developing intrusion detection/prevention systems (IDS/IPS) + Familiarity with Cisco networking products or similar network infrastructure at scale (e.g., Nexus, Catalyst switches,firewallappliances) + Experience with low-level packet analysis and protocol parsing (e.g., custom tooling, VPP,InMaps) + Contributions to open-source security or networking projects (e.g., Tetragon, Cilium, Linux networking stack) + Good communicationskills, both written and verbal **Why Cisco?** At Cisco,we’rerevolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond.We’vebeen innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Simply put – we power the future. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, andyou’llsee that the opportunities to grow and build are limitless.We work as a team, collaborating with empathy to make really big things happen on a global scale.Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you. **Message to applicants applying to work in the U.S. and/or Canada:** When available, the salary range posted for this position reflects the projected hiring range for new hire, full-time salaries in U.S. and/or Canada locations, not including equity or benefits. For non-sales roles the hiring ranges reflect base salary only; employees are also eligible to receive annual bonuses. Hiring ranges for sales positions include base and incentive compensation target. Individual pay is determined by the candidate's hiring location and additional factors, including but not limited to skillset, experience, and relevant education, certifications, or training. Applicants may not be eligible for the full salary range based on their U.S. or Canada hiring location. The recruiter can share more details about compensation for the role in your location during the hiring process. U.S. employees haveaccess (https://www.cisco.com/c/en/us/about/careers/we-are-cisco/benefits-and-perks.html) to quality medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, short and long-term disability coverage, basic life insurance and numerous wellbeing offerings. Employees receive up to twelve paid holidays per calendar year, which includes one floating holiday (for non-exempt employees), plus a day off for their birthday. Non-Exempt new hires accrue up to 16 days of vacation time off each year, at a rate of 4.92 hours per pay period. Exempt new hires participate in Cisco’s flexible Vacation Time Off policy, which does not place a defined limit on how much vacation time eligible employees may use, but is subject to availability and some business limitations. All new hires are eligible for Sick Time Off subject to Cisco’s Sick Time Off Policy and will have eighty (80) hours of sick time off provided on their hire date and on January 1st of each year thereafter. Up to 80 hours of unused sick time will be carried forward from one calendar year to the next such that the maximum number of sick time hours an employee may have available is 160 hours. Employees in Illinois have a unique time off program designed specifically with local requirements in mind. All employees also have access to paid time away to deal with critical or emergency issues. We offer additional paid time to volunteer and give back to the community. Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components. For quota-based incentive pay, Cisco typically pays as follows: .75% of incentive target for each 1% of revenue attainment up to 50% of quota; 1.5% of incentive target for each 1% of attainment between 50% and 75%; 1% of incentive target for each 1% of attainment between 75% and 100%; and once performance exceeds 100% attainment, incentive rates are at or above 1% for each 1% of attainment with no cap on incentive compensation. For non-quota-based sales performance elements such as strategic sales objectives, Cisco may pay up to 125% of target. Cisco sales plans do not have a minimum threshold of performance for sales incentive compensation to be paid. 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.