Cisco

Technical Leader, Performance - Tetragon

Cisco$159K — $230K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree with 8 years' experience, or Master's with 6 years, or PhD with 3 years in a relevant field.
  • 8+ years in systems programming with strong focus on Go.
  • Proficiency in Linux systems and kernel-level development, especially eBPF for security or observability.
  • Demonstrated experience in performance analysis and system optimization.
  • Strong collaborative skills for cross-team partnerships.

Responsibilities

  • Develop high-quality Go and eBPF code for Tetragon.
  • Analyze Tetragon's performance and overheads.
  • Design methods to reduce CPU overhead and memory usage.
  • Collaborate with teams to define solutions and integration points.
  • Contribute to open-source projects and engage with the community.
  • Participate in architecture and code reviews.

Benefits

  • Opportunity to work on cutting-edge Kubernetes-aware technologies.
  • Engage in high-impact projects that influence modern security practices.
  • Collaborative work environment with cross-team engagement.
  • Contribute to open-source initiatives, enhancing professional visibility.
  • Involvement in architecture decisions and technical leadership roles.
Full Job Description
The application window is expected to close on: 06/30/2026
Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.

Your Impact

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.

As a Technical Leader, you will be at the forefront of advancing Tetragon's capabilities. You will guide architectural direction while staying deeply engaged in building the systems that power our platform. Your impact will allow Tetragon to be used on resource constraint platforms as well as scale its capabilities to meet the increasing demands of security protection across a variety of platforms.

You will collaborate closely with teams across Cisco to understand different use-cases and optimize Tetragon to meet different requirements. In this role, you'll solve some of the most complex system-level challenges in observability and infrastructure, helping Tetragon evolve to meet the needs of the modern runtime security landscape.

What you'll do:

  • 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.


Minimum Qualifications

  • 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 experience in building scalable Go systems.


  • Experience in performance analysis and optimization.


Preferred Qualifications

  • 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 eBPF 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.


About Cisco

Cisco Careers

Join the vibrant team at Cisco, a global leader in networking and cybersecurity solutions, where innovation and leadership thrive. Cisco offers a plethora of job opportunities that cater to a range of skills and experiences, making it an ideal place for both seasoned professionals and those seeking an internship to jumpstart their career. Work You’ll Do At Cisco, you’ll be part of a culture that values diversity, leadership, and professional growth. Engage in work that matters with a team that combines technology, creativity, and the power of human connection to redefine networking. Cisco’s commitment to innovation isn’t just about technology, but also about transforming the way we work and collaborate. Cisco’s employment philosophy supports career advancement and nurtures a leadership pipeline that is equipped with diversity training and opportunities for growth. Whether you’re applying your skills to drive our latest innovations or using our vast networking capabilities to solve complex problems, at Cisco, every role is impactful. Join Our Dynamic Team Explore job opportunities in areas ranging from engineering to marketing, sales to cybersecurity. Cisco is hiring individuals who are passionate, curious, and ready to drive change. Positions at Cisco offer competitive benefits, a supportive culture, and the chance to work with cutting-edge technology. Internship Programs Kickstart your career with a Cisco internship. Gain invaluable industry experience, enhance your resume, and build professional networks that last a lifetime. Our internships provide hands-on experience and the chance to work on projects that matter. Leadership and Development Cisco is committed to fostering leadership skills and providing employees with the training needed to succeed. Our leadership programs help you develop new skills, manage teams effectively, and lead with confidence. Cisco’s commitment to professional development ensures that your career path is as dynamic as our technologies. Benefits and Culture Cisco understands the importance of a balanced life. Our benefits package is designed to ensure that our team members are healthy, happy, and secure. At Cisco, you’ll find a supportive culture that encourages open communication, teamwork, and mutual respect. Stay Connected Join Cisco’s Talent Network Stay informed about new positions that match your skills and interests. At Cisco, we value the curiosity and unique perspectives of our team members. Subscribe to receive personalized job alerts and insider tips directly from our hiring managers. Explore Cisco Jobs Ready to advance your career at Cisco? Search open positions, prepare your resume, and get ready for an interview that could lead to your next big opportunity. At Cisco, we’re not just filling positions—we’re investing in leaders. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. READ CAREERS BLOG Job Alert Emails Customize your subscription to receive job alerts, the latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities that await you at Cisco.
Learn more about Cisco
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79,500 employees
Market Cap
$194.5 billion
Industry
Net Income
$10.1 billion
Founded
2014
5 Year Trend
+1.4%
Revenue
$48 billion
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