Mohanakrishnan

Site Reliability Engineer

I keep production systems running.

Based in Madurai, India, I work across Kubernetes, WebLogic, Tomcat, and the observability stack that sits behind them — keeping infrastructure stable, patched, and boring in the best way.

6+

years in production SRE

47

server fleet, zero-downtime CVE patch

0

unplanned outages on my watch

What I work with

Kubernetes

Cluster operations, workload troubleshooting, safe rollout strategy.

WebLogic

Domain administration, performance tuning, patching, clustering.

Tomcat & OHS

Application server configuration, load balancing, SSL termination.

Observability

Prometheus, Grafana, and ELK — dashboards built to be paged on.

Linux Infrastructure

Fleet hardening, kernel patching, systemd, automation at scale.

Selected work

Fleet-wide CVE remediation

Patched a Linux kernel privilege-escalation vulnerability across a ~47-server production fleet with zero downtime, using staged rollouts and automated health gates.

LinuxKubernetesIncident Response

MiddlewareClass

A class management portal with attendance tracking, assignment uploads, and grading — built on Netlify with a Supabase backend.

Full-stackNetlifySupabase

Recent writing

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Patching a kernel privilege-escalation CVE across 47 servers with zero downtime

How we rolled out an emergency kernel patch across a production fleet without a single outage window.