Sr QA Engineer

Experience:

4-9 Years

Location:

Chennai

Work Mode:
Hybrid

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)