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

Location: Chennai, India
Department: Products

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)