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Sr. Systems Reliability Engineer (DevOps support)

Appletech

5 - 10 years

Pune

Posted:1 week ago

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Job Description

You'll own the forensic layer of our platform proving root cause definitively instead of guessing, instrumenting our systems so failures announce themselves before they happen, and retiring the brute-force reboots the team currently survives on.

You'll be the person who can say, with evidence, whether an outage was the kernel, the storage, the network, or the code and then fix the underlying condition so it doesn't recur.This is a hands-on engineering role, not a ticket support one.

What you'll actually do

  • Root-cause forensics

    . When Tomcat or Spring Boot stalls, you'll pull heap and thread dumps, trace database locks, and monitor sockets at the OS level to prove not speculate whether threads are starved by the kernel, blocked on slow storage IOPS, or waiting on bad code. Ambiguous incidents end with a definitive answer.
  • Platform instrumentation

    . You'll deploy lightweight, safe telemetry (node_exporter, jmx_exporter) across the DMS and CI/CD fleet and wire it into our Command Console, giving the 247 team a live "crash-cart" view the historical context of the moments before a failure, not just the wreckage after.
  • Technical-debt reduction.

    You'll tune JVM garbage collection and Hibernate connection pools to stabilize the legacy DMS application, design a safe data-lifecycle and pruning strategy for MySQL to prevent disk-full outages, and write the operational runbooks that move the team from manual firefighting to repeatable process.

What we're looking for

  • Deep, hands-on

    JVM performance

    and troubleshooting experience heap/thread-dump analysis, GC tuning, and diagnosing thread starvation and connection-pool contention under real production load.
  • Strong

    Linux systems fundamentals

    — you're comfortable at the OS level with sockets, storage/IOPS, process and kernel behavior, and network tracing tools (tcpdump, ss, strace, and similar).
  • Practical experience running

    Java web applications

    in production: Tomcat, Spring Boot, and Hibernate.
  • Solid MySQL operational skills — locking, query behavior, and data-lifecycle/pruning strategy, not just schema design.
  • Experience building

    metrics-based observability

    with the Prometheus ecosystem (node_exporter, jmx_exporter, Grafana or equivalent dashboards).
  • A forensic mindset: you're not satisfied until you can prove the cause, and you write down what you found so the next person doesn't have to rediscover it.
  • Candidate must be ready for Hybrid work mode for Pune location.

Nice to have

  • On-prem / private-cloud infrastructure experience.
  • Background supporting a 247 operations function and building tooling that makes on-call less painful.
  • Experience turning tribal knowledge into runbooks and repeatable process.

Skills Required

Hosting Bootstrap Linux Grafana Prometheus Spring Boot Apache Tomcat Hibernate

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Work Mode

Hybrid

Job Type

Part Time

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