Cisco

Senior Software Engineer, DPU Networking Software Stack

Cisco$165K — $241K *
Telecommunications & Hardware
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree with 7+ years of related experience, Master's with 4+ years, or PhD with 1+ year.
  • Strong software engineering experience in Go, C/C++, Rust, Python, or similar languages.
  • Experience building production software for networking, infrastructure, or distributed systems.
  • Practical knowledge of Linux networking, host networking, or cloud networking.
  • Ability to independently own medium-sized features from design through delivery.

Responsibilities

  • Explore, prototype, and build the software stack for DPU-accelerated host networking.
  • Design platform components integrating DPU networking with Cisco firewall services and policy systems.
  • Build software for firewall, policy enforcement, load balancing, and observability functions.
  • Evaluate networking stack options and define the architecture for scalable networking solutions.
  • Develop production-quality systems software in relevant programming languages.
  • Define APIs, configuration models, and operational workflows for networking components.
  • Mentor peers through technical design, code reviews, and documentation.

Benefits

  • Hybrid work model: 3 days in office, 2 days remote.
  • Opportunities for professional development and mentorship.
  • Access to cutting-edge technology and projects in AI and networking.
  • Collaborative team environment with cross-functional partnerships.
Full Job Description
The application window is expected to close on: 07/31/2026
Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.

This is a Hybid position located in Milpitas Ca. Ideally 3 days per week in office.

Meet the Team

Cisco is building a next-generation DPU-enabled networking platform for secure, high-performance infrastructure and large-scale AI clusters. Our team is responsible for designing the foundational networking, security, and programmable services that span host systems, DPUs, SmartNICs, and cloud-scale control planes. We work at the intersection of systems software, hardware acceleration, distributed security, and AI infrastructure, creating platforms that deliver line-rate performance, strong isolation, operational reliability, and simplified deployment across modern data center environments.

We are looking for a senior software engineer to help explore, design, and deliver the platform that connects hosts, DPUs, security services, and Cisco networking functions into a reliable production system.

This role focuses on the software architecture above and around the DPU data path: host networking services, control-plane integration, policy programming, firewall and service integration, lifecycle management, observability, and operational workflows. The ideal candidate can evaluate existing networking stacks, prototype new approaches, and turn the right ideas into production-quality software.

What You'll Do Your Impact
  • Explore, prototype, and build the software stack for DPU-accelerated host networking and network services.
  • Design platform components that integrate DPU networking, host agents, Cisco firewall services, policy systems, telemetry, and service lifecycle management.
  • Build software for network functions such as firewall, policy enforcement, NAT, VTEP, load balancing, segmentation, observability, and service chaining.
  • Evaluate networking stack options and help define the architecture for a scalable replacement or evolution of existing host networking approaches.
  • Develop production-quality systems software in Go, C/C++, Rust, Python, or similar languages.
  • Work across Linux networking, containers, virtualization, routing, OVS, DPDK, tc, eBPF/XDP, iptables/nftables, namespaces, SR-IOV, and VF/PF models.
  • Define APIs, configuration models, operational workflows, upgrade behavior, health checks, and failure handling.
  • Debug issues across distributed control plane, host networking, DPU services, data path, and production environments.
  • Own well-scoped features from design through implementation, tests, rollout, operational documentation, and production support.
  • Partner with product, security, platform, firmware, and operations teams to deliver customer-ready networking capabilities.
  • Mentor peers through technical design, code review, documentation, and cross-team guidance.

Minimum Qualifications
  • Bachelor's degree with 7+ years of related experience, Master's with 4+ years, or PhD with 1+ year.
  • Strong software engineering experience in Go, C/C++, Rust, Python, or similar infrastructure-oriented languages.
  • Experience building production software for networking, infrastructure, distributed systems, security, or platform services.
  • Practical knowledge of Linux networking, host networking, or cloud networking.
  • Ability to independently own medium-sized features from technical design through delivery.


Preferred Qualifications
  • Experience building or operating host networking platforms, virtual networking stacks, firewalls, service meshes, SDN systems, or network function platforms.
  • Familiarity with DPU or SmartNIC architectures, including host/DPU split designs, Arm-side services, offload models, and platform integration.
  • Experience with Cisco firewall, security services, or similar network security platforms.
  • Experience with DPDK, OVS, eBPF/XDP, tc, routing, BGP, SR-IOV, VF/PF, Kubernetes networking, CNI, or kernel bypass.
  • Experience evaluating build-vs-buy options, replacing legacy networking stacks, or integrating multiple network services into a unified platform.
  • Strong judgment in balancing performance, portability, security, reliability, and operational simplicity

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
Size
79,500 employees
Market Cap
$194.5 billion
Industry
Net Income
$10.1 billion
Founded
2014
5 Year Trend
+1.4%
Revenue
$48 billion
NASDAQ

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