SR QA Engineer 10297 – Networking (Wired/Wireless) | Cloud (AWS/Azure/GCP) | Python

Extreme Networks; Chennai District; On-site; INR 1,400,000 - 2,400,000; Full time

Job summary

Extreme Networks in Chennai is seeking a seasoned Network Systems Engineer with 4-8 years of hands-on experience in enterprise networking, cloud platforms, and modern observability.

The role involves troubleshooting complex customer issues, validating wired and wireless configurations, and collaborating with SRE, QA, and support teams to deliver robust solutions. Proficiency in Python or Java, containerization (Docker, Kubernetes), and RabbitMQ/Kafka is highly valued.

Qualifications

• > Hands-on experience with wired networking protocols (VLAN, IP, STP, TCP/UDP, VRRP, OSPF, BGP, MPLS, IS-IS, SPBM).
• > Hands-on experience in Enterprise Wireless LAN testing and validation.
• > Strong knowledge of security concepts: AAA, 802.1X, VPN, Captive Portal, IPsec, and Firewalls.
• > Knowledge of DHCP, DNS, RADIUS, LDAP, SSH, and Certificates.
• > Experience with cloud platforms such as AWS, Azure, or GCP.
• > Cloud-native/microservices architecture familiarity.
• > Docker & Kubernetes containerization experience; Python/Java proficiency.

Skills

VLAN & routing

OSPF/BGP

Enterprise WLAN testing

Security: AAA/802.1X

DHCP/DNS/RADIUS

Cloud platforms (AWS/Azure/GCP)

Cloud-native/microservices

Docker & Kubernetes

RabbitMQ/Kafka

Observability tools

Python scripting

Tools

Docker

Kubernetes

ESXi/ESX

Hyper-V

Prometheus

Grafana

ELK

Loki

RabbitMQ

Kafka

Job description

Experience: 4-8 Years

Requirements

• Hands-on experience in wired networking protocols including VLAN, IP, STP, TCP/UDP, VRRP, OSPF, BGP, MPLS, IS-IS, SPBM
• OR
• Hands-on experience in Enterprise Wireless LAN testing and validation.
• Solid understanding of network security concepts such as AAA (Authentication, Authorization, Accounting), 802.1X, VPN, Captive Portal, IPsec, and Firewalls.
• Strong knowledge of network infrastructure services including DHCP, DNS, RADIUS, LDAP, SSH, and Certificate Authorities.
• Hands-on experience with cloud platforms such as AWS, Azure, or GCP.
• Strong understanding of cloud-native and distributed systems (microservices, APIs, service communication).
• Experience with containerization and orchestration technologies such as Docker and Kubernetes.
• Strong knowledge of cloud middleware like RabbitMQ&Kafka.
• Proven expertise in triaging, reproducing, and resolving complex customer or field issues in large-scale or production environments.
• Familiarity with observability tools (metrics, logging, tracing) such as Prometheus, Grafana, ELK, or Loki.
• Strong root cause analysis (RCA) skills across networking, application, OS, and cloud layers.
• Experience in building or using AI & automation tools for debugging, log analysis, and issue resolution.
• Strong programming & debugging skills in Python, Java, or similar languages.

Good to have:

• Familiarity with traffic generation tools such as Ixia or Spirent.
• Knowledge of virtualization technologies such as ESX and Hyper-V.
• Good communication and collaboration skills to work across development, QA, SRE, and support teams.
• Relevant certifications (CCNA, CWNA/CWSP, CompTIA Security+, or cloud certifications)