Sr QA Engineer 10296 – Networking (Wired/Wireless) | Cloud (AWS/Azure/GCP) | Python

Extreme Networks; Chennai District; On-site; INR 1,200,000 - 2,200,000; Full time

Job summary

Extreme Networks in Chennai, Tamil Nadu, India, seeks a seasoned network engineer to design, validate, and optimize enterprise networking and wireless solutions. The role demands hands-on experience with routing, switching, security, and cloud-native architectures, plus scripting in Python/Java for automation and troubleshooting.

The candidate should be proficient with Docker/Kubernetes, cloud middleware, and observability tools, and capable of handling complex incidents in large-scale

Qualifications

• Hands-on experience in wired networking protocols such as VLAN, IP, STP, TCP/UDP, VRRP, OSPF, BGP, MPLS, IS-IS, SPBM.
• Solid understanding of network security concepts such as AAA, 802.1X, VPN, Captive Portal, IPsec, and Firewalls.
• Strong knowledge of DHCP, DNS, RADIUS, LDAP, SSH, and Certificate Authorities.
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Strong understanding of cloud-native and distributed systems (microservices, APIs, service communication).
• Experience with Docker and Kubernetes.
• Knowledge of middleware like RabbitMQ & Kafka.
• Root cause analysis 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)

Skills

Wired networking protocols

Python

Java

Root cause analysis

Cloud-native & microservices

AI & automation tooling

Network security concepts

Communication & collaboration

Tools

AWS

Azure

GCP

Docker

Kubernetes

RabbitMQ

Kafka

Prometheus

Grafana

ELK

Loki

Ixia

Spirent

ESX

Hyper-V

Job description

Experience : 4-8 Years

Requirements :

• Hands-on experience inwirednetworking protocols including VLAN, IP, STP, TCP/UDP, VRRP, OSPF, BGP, MPLS, IS-IS,SPBM

OR

Hands-on experience inEnterprise 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.

• Provenexpertisein 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.

• Experienceinbuilding or usingAI &automationtools for debugging, log analysis, and issue resolution.

• Strong programming &debuggingskills 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 communicationand collaboration skills to work across development, QA, SRE, and support teams.

• Relevant certifications (CCNA, CWNA/CWSP, CompTIA Security+, or cloud certifications)