Senior Linux Virtualization Support Engineer (L3/L4)

Company Name:WillwareTechnologies

Role:Senior Linux Virtualization Support Engineer (L3/L4)

Location: Chennai, Bangalore, Hyderabad, Gurugram, Noida, Mumbai

WorkMode:Hybrid

Job Summary

We are looking for an experienced Senior Linux Virtualization Support Engineer with strong expertise in Linux administration, KVM virtualization, and VMware environments. The ideal candidate should have hands-on experience in L3/L4 product support, advanced troubleshooting capabilities, and the ability to independently manage critical production incidents from triage through resolution and root cause analysis.

Key Responsibilities

• Own and manage Sev-1 to Sev-4 incidents end-to-end, including triage, RCA, and resolution.
• Perform advanced troubleshooting across Linux OS, KVM/hypervisor, networking, storage, and application layers.
• Analyze logs, traces, core dumps, and telemetry data to identify root causes.
• Work on complex product issues and provide workarounds and long-term solutions.
• Collaborate with engineering teams by providing high-quality escalation details.
• Participate in customer escalation calls and war-room discussions as required.
• Ensure timely communication and resolution of critical production issues.
• Create and maintain technical documentation and RCA reports.

Mandatory Skills

• 8+ years of experience with L3/L4 Linux product support.
• Strong expertise in Linux command-line administration, including:
  • OS internals
  • Processes and memory management
  • System performance analysis
  • Networking fundamentals
• Solid understanding of KVM and virtualization concepts.
• Hands-on experience with VMware administration.
• Strong Linux networking knowledge, including:
  • TCP/IP
  • VLANs
  • Bonding
  • Routing concepts
• Proven experience in advanced troubleshooting and RCA in production environments.
• Ability to work independently and take complete ownership of issues.

Experience Profile

• Experience in L3/L4 product support, escalation management, or sustaining engineering teams.
• Experience supporting Linux-based software platforms or products, not limited to infrastructure administration.
• Exposure to handling critical production incidents and customer escalations.

Nice to Have

• Experience with Java-based platforms, middleware, and databases.
• Exposure to Docker and Kubernetes environments.
• Scripting and automation experience using Shell or Python.
• Familiarity with monitoring and observability tools.

Not a Fit If

• Profile is primarily focused on VMware GUI-based administration without strong Linux expertise.
• Looking for training, shadowing, or transition opportunities.
• Limited exposure to production troubleshooting and RCA activities.

Preferred Skills

• Strong analytical and problem-solving abilities.
• Excellent communication and stakeholder management skills.
• Ability to perform effectively in high-pressure production environments.