L2/L3 Production Application Support (Mirth/HL7)

StarZen
Gurugram, Haryana, India

Role: Application Support & Software Reliability Engineer

Location: Offshore

Experience: 4+ Years

Work: L2/L3 Production Application Support | 24×7 On-Call

Role Overview

We are looking for an experienced Application Support & Software Reliability Engineer to provide L2/L3 production support across Windows, Linux, Java/.NET, healthcare integration, Kubernetes, databases and cloud/AI platforms.

Key Responsibilities

  • Handle and resolve L2/L3 production incidents within SLA.
  • Troubleshoot applications, middleware, databases and integrations.
  • Perform log analysis and RCA across IIS, Tomcat, Mirth Connect, SQL Server, PostgreSQL and Kubernetes.
  • Monitor application, database, integration and infrastructure health.
  • Execute approved deployments, releases, configuration changes and housekeeping.
  • Support Kubernetes environments using kubectl and Helm.
  • Participate in 24×7 on-call support.
  • Support DR drills, failover and failback activities.
  • Prepare detailed RCA reports and maintain knowledge-base documentation.
  • Coordinate with L4/vendor teams for complex issues.

Must-Have Skills

  • 4+ years of production application support / L2-L3 support.
  • Strong Windows Server and Linux administration.
  • Hands-on troubleshooting of:
  • IIS / .NET
  • Tomcat / Java
  • Mirth Connect
  • MS SQL Server and PostgreSQL query troubleshooting.
  • Basic database performance tuning.
  • Kubernetes – kubectl, Helm, pod logs, events, networking.
  • Scripting knowledge in PowerShell, Bash or Python.
  • HL7 v2.x message debugging.
  • Experience with ITSM tools such as ServiceNow or Jira Service Management.

Good to Have

  • Healthcare application/support experience.
  • NVIDIA Triton, vLLM or NVIDIA DCGM.
  • GPU/AI inference platform support.
  • Grafana, Zabbix or Azure Monitor.
  • Experience with Kubernetes-based microservices.

Ideal Candidate

Someone who is a strong production troubleshooter, comfortable working across multiple technologies, can analyze logs and incidents independently, understands SLA-driven support, and is willing to participate in 24×7 on-call rotations.

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