Software Engineer Technical Leader – Network Data Plane – Hypershield

About this role

The application window is expected to close on: 08/31/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received .

Meet the Team     The Security Innovation team within Cisco’s Security Business Group is building the next generation of networking and security platforms that protect applications, devices, and data across modern data centers and cloud environments. As part of the team developing Cisco   Hypershield   Smart Switches,   you’ll   help build high-performance data plane software that   leverages   Data Processing Units (DPUs) to deliver advanced networking, packet processing, and security capabilities.  

  This is an exciting opportunity to join the team as Cisco prepares to launch its next-generation Smart Switch platform. Working at the intersection of networking, systems programming, and security,   you’ll   help shape a flagship Cisco innovation while collaborating with engineers solving some of the industry’s most complex networking challenges. If   you’re   passionate about building high-performance networking software and influencing the future of secure infrastructure,   we’d   love to hear from you.  

Your Impact  

  As a Software Engineer Technical Leader,   you’ll   play a key role in designing, developing, and   optimizing   the data plane software powering Cisco   Hypershield   Smart Switches. This is a highly technical, hands-on individual contributor role where   you’ll   spend   the majority of   your time writing production-quality code, solving complex networking problems, and influencing technical direction through engineering leadership.  

  You’ll work across the full software development lifecycle—from technical design and implementation to debugging, performance optimization, code reviews, and customer issue resolution—while partnering closely with software, hardware, and security engineering teams.   In this role, you will:    

• Design, develop, and   optimize   high-performance data plane software using modern C/C++ on Linux-based systems.  

• Develop networking software for DPU-based Smart Switch platforms, enabling scalable packet processing and advanced security capabilities.  

• Troubleshoot complex software defects, networking issues, and customer-reported problems while improving performance, scalability, and reliability.  

• Lead technical design discussions,   participate   in   architecture   and code reviews, and provide technical mentorship across the engineering organization.  

• Collaborate with cross-functional engineering teams to deliver innovative networking and security capabilities for Cisco   Hypershield   Smart Switches.  

Minimum Qualifications  

• Bachelor’s degree in   Computer Science , Computer Engineering, Electrical Engineering, or a related technical field  and 12+ years of related experience, or   Master’s   degree with 10+ years, or PhD with 7+ years of related experience.  

• 10+ years of professional software development experience using C or C++ in Linux environments.  

• Experience developing networking or data plane software with strong knowledge of Layer 2, Layer 3, and common networking protocols.  

• Experience developing or   optimizing   high-performance packet processing applications using DPDK, networking stacks, or similar technologies.  

• Experience designing, implementing, debugging, reviewing, and delivering production-quality systems software.  

Preferred Qualifications  

• Experience developing software for Data Processing Units (DPUs),   SmartNICs , network processors, or networking appliances.  

• Experience with P4 or other programmable data plane technologies.  

• Experience contributing to networking architecture, systems software design, or large-scale distributed networking solutions.  

• Experience working across cross-functional or geographically distributed engineering teams.  

Why Cisco?  At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been 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. 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, and you’ll see 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:

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 locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process.

U.S. employees are offered benefits, subject to Cisco’s plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance. Please see the Cisco careers site to discover more benefits and perks.  Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time.

U.S. employees are

Similar jobs

• Senior Software Engineer – Control Plane (Go/Kubernetes) - Hypershield — Cisco · Remote
• Senior Staff Software Engineer (C / Networking / Dataplane) — Zscaler · San Jose, California, USA
• Software Engineer, Networking (Dataplane) — Tailscale · Remote
• Senior Software Engineer, Cloud Networking — Robinhood · Bellevue, WA
• Software Engineer, Control Plane — Hightouch · Remote
• Senior Software Engineer, Network Infrastructure — Palantir · New York, NY
• Senior Software Engineer, Network Infrastructure — Palantir · Seattle, WA
• Senior Software Engineer, Network Infrastructure — Palantir · Washington, D.C.