Senior QA Engineer – Networking, Cloud (AWS/Azure/GCP), Python

Jobtailor; Chennai District; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Jobtailor in Chennai seeks a hands-on Networking Engineer with 4–8 years of experience in wired and wireless LAN validation. You will work across cloud platforms (AWS/Azure/GCP), containers (Docker/Kubernetes), and observability stacks to triage and resolve complex issues.

The role emphasizes strong security fundamentals (AAA, 802.1X, VPN) and collaboration with Dev, QA, SRE, and support teams. Certifications welcome.

Qualifications

• 4-8 years of hands-on networking experience.
• VLAN, IP, STP, TCP/UDP, VRRP, OSPF, BGP, MPLS, IS-IS, SPBM.
• Enterprise WLAN testing and validation experience.
• Strong security knowledge: AAA, 802.1X, VPN, IPsec, Firewalls.
• Cloud platforms: AWS, Azure, or GCP.
• Cloud-native/microservices architectures and service communication.
• Docker and Kubernetes experience for containerization/orchestration.
• RabbitMQ & Kafka middleware knowledge.
• Observability tools: Prometheus, Grafana, ELK/Loki.
• Proven RCA skills and debugging across networking, app, OS, cloud.

Skills

Wired networking protocols

Enterprise Wireless LAN testing

Network security concepts

Cloud platforms

Cloud-native & distributed systems

Containerization & orchestration

Observability & RCA

AI & automation debugging tools

Programming in Python/Java

Traffic generation tools familiarity

Virtualization technologies

Collaboration & communication

Education

Certifications (CCNA, CWNA/CWSP, CompTIA Security+, or cloud certs)

Tools

Docker

Kubernetes

RabbitMQ

Kafka

Prometheus

Grafana

ELK/Loki observability stack

Ixia

Spirent

Job description

Skills

• Hands-on experience in wired networking protocols
• Hands-on experience in Enterprise Wireless LAN testing and validation.
• Strong knowledge of network security concepts.
• Strong knowledge of network infrastructure services.
• Hands-on experience with cloud platforms.
• Strong understanding of cloud-native and distributed systems.
• Experience with containerization and orchestration technologies.
• Proven expertise in triaging, reproducing, and resolving complex customer or field issues.
• Familiarity with observability tools.
• Experience in building or using AI & automation tools for debugging.
• Strong programming & debugging skills.

Requirements

• Experience: 4-8 Years
• 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).

Core Competencies

Demonstrates hands‑on expertise in wired networking protocols and enterprise wireless LAN testing, with a strong understanding of network security concepts and cloud platforms. Proficient in containerization, orchestration technologies, and observability tools, with proven skills in triaging and resolving complex issues.