Meet The Team
The team specialises in delivering high-impact Proof of Concepts (PoCs) for AI-driven and massively scalable data-centre solutions. We work directly with customers to understand sophisticated requirements and architectures, taking full ownership of system configuration and end-to-end PoC execution. In these engagements, we rigorously analyse any convergence related test case that doesn'tencouragedpected result —drilling deep into protocols, system behaviour, and configuration to identify and resolve performance gaps. This enables us to deliver actionable optimisation insights, fine-tuning recommendations build mentorship guidance that achieve lower convergence, low laten outstanding superior performance. We perform root-cause analysis to ensure reliability and repeatable results, and collaborate closely with development engineering teams to supervise and resolve improvement improvementt requests, ensuring production-ready outcomes.
Your Impact
- Work with cutting-edge 400G/800G Ethernet fabrics used in AI and GPU data centers.
- Gain exposure to IP routed and VxLAN fabric and the full NVMeoF stack, from Linux kernel tuning to RoCEv2 fabric automation.
- Hands-on lab environment involving both software-based and hardware-based testing.
- Collaborate with senior architects to compose next-generation lossless Ethernet builds for AI workloads
- Configure and validate Linux/Ubuntu servers for RoCEv2 and NVMeoF traffic generation using 400G NICs.
- Perform system-level tuning including kernel parameters, sysctl, IRQ affinity, NUMA, hugepages, and NIC offloads to optimize RDMA performance.
- Execute NVMeoF traffic tests using software tools (e.g.,IB Perf) and hardware traffic generators (Spirent).
- Capture and analyze fabric metrics such as latency, throughput, packet loss, and congestion response.
- Collaborate with infrastructure teams to ensure lossless Ethernet behavior using PFC and ECN.
- Configure and validate BGP EVPN/VxLAN-based fabrics for IP-routed data center connectivity.
- Troubleshoot Layer 2/3 networking issues, RoCEv2 packet drops, and flow control problems.
- Collect and analyze NIC counters, RDMA statistics, and telemetry data for performance troubleshooting
- Create and maintain detailed test plans, automation documentation, and configuration templates.
- Generate comprehensive test reports and performance summaries for engineering and management reviews.
- Collaborate cross-functionally with hardware, software, and AI platform teams to enhance fabric performance and reliability.
Minimum Qualifications
- Solid understanding of RDMA, RoCEv2, and NVMe over IP Fabrics (RDMA) architectures.
- Strong hands-on experience with Linux/Ubuntu systems administration and tuning.
- Proficiency in Python scripting and automation frameworks (pytest, paramiko, REST APIs, YAML, Ansible).
- Experience configuring PFC and ECN parameters on Linux servers and network switches for RoCEv2.
- Familiarity with traffic generation tools, and commercial hardware tools (Ixia, Spirent).
- Deep knowledge of network protocols including IP, BGP, VxLAN, TCP congestion control, and QoS.
- Strong debugging skills using Linux utilities (ethtool, tc, sysctl, ibv_devinfo, rdma link, nvme list).
- Experience tuning 400G NICs (MTU, SR-IOV, offloads, NUMA pinning, IRQ balancing).
Preferred Skills
- Understanding of network telemetry and performance monitoring tools (SNMP, gNMI, Prometheus).
- Exposure to AI or GPU cluster interconnect testing (InfiniBand or RoCE).
- Familiarity with Cisco Nexus 9K
- Working knowledge of automation tools like Ansible or Jenkins.
- Experience with SPDK/DPDK and user-space NVMeoF implementations
- Bachelor’s or Master’s degree in Computer Engineering, Electrical Engineering, Computer Science, or equivalent practical experience in network test and automation environments.
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.
Skills Required
- Solid understanding of RDMA, RoCEv2, and NVMe over IP (NVMeoF) architectures.
- Hands-on Linux/Ubuntu systems administration and performance tuning.
- Proficiency in Python scripting and automation frameworks (pytest, paramiko, REST APIs, YAML, Ansible).
- Experience configuring PFC and ECN on Linux servers and network switches for RoCEv2.
- Familiarity with traffic generation tools and commercial hardware tools (Ixia, Spirent).
- Deep knowledge of network protocols: IP, BGP, VxLAN, TCP congestion control, and QoS.
- Strong debugging skills using Linux/RDMA utilities (ethtool, tc, sysctl, ibv_devinfo, rdma link, nvme list).
- Experience tuning 400G NICs (MTU, SR-IOV, offloads, NUMA pinning, IRQ balancing).
- Understanding of network telemetry and monitoring tools (SNMP, gNMI, Prometheus).
- Exposure to AI/GPU cluster interconnect testing (InfiniBand or RoCE).
- Familiarity with Cisco Nexus 9K.
- Working knowledge of automation/CI tools like Ansible or Jenkins.
- Experience with SPDK/DPDK and user-space NVMeoF implementations.
- Bachelor's or Master's degree in Computer/Electrical Engineering, Computer Science, or equivalent experience.
Cisco Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Cisco and has not been reviewed or approved by Cisco.
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Healthcare Strength — Comprehensive medical, dental, and vision coverage, mental health support via an EAP, and access to on-site or virtual health centers indicate robust healthcare offerings. Wellness programs, fitness resources, and specialized services further reinforce coverage depth.
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Leave & Time Off Breadth — Generous PTO, a global minimum for paid parental leave, and unique programs like company-wide recharge days and paid volunteer time expand time-away options. Additional offerings such as Critical Time Off and adoption assistance add flexibility for life events.
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Equity Value & Accessibility — Restricted stock units and a discounted employee stock purchase plan are meaningful elements of total compensation. The prominence of equity can materially augment overall pay packages alongside salary and bonuses.
Cisco Insights
What We Do
Cisco (NASDAQ: CSCO) enables people to make powerful connections--whether in business, education, philanthropy, or creativity. Cisco hardware, software, and service offerings are used to create the Internet solutions that make networks possible--providing easy access to information anywhere, at any time. Cisco was founded in 1984 by a small group of computer scientists from Stanford University. Since the company's inception, Cisco engineers have been leaders in the development of Internet Protocol (IP)-based networking technologies. Today, with more than 71,000 employees worldwide, this tradition of innovation continues with industry-leading products and solutions in the company's core development areas of routing and switching, as well as in advanced technologies such as home networking, IP telephony, optical networking, security, storage area networking, and wireless technology. In addition to its products, Cisco provides a broad range of service offerings, including technical support and advanced services. Cisco sells its products and services, both directly through its own sales force as well as through its channel partners, to large enterprises, commercial businesses, service providers, and consumers.
