L2/L3 Production Application Support (Mirth/HL7)

StarZen; Gurugram District; Remote; INR 900,000 - 1,300,000; Full time

Job summary

StarZen is seeking an experienced Application Support & Software Reliability Engineer to provide L2/L3 production support across Windows, Linux, Java/.NET, Kubernetes, databases and cloud/AI platforms. This offshore role requires 4+ years of hands-on experience and a strong troubleshooter mindset.

You will handle incidents, perform log analysis, RCA, manage deployments, participate in 24x7 on-call rotations, and coordinate with multiple teams to keep services reliable.

Qualifications

• 4+ years of production application support (L2-L3).
• Strong Windows Server and Linux administration.

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 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.

Skills

Production support

L2-L3 support

Windows Server

Linux

IIS/.NET

Tomcat/Java

Mirth Connect

SQL Server

PostgreSQL

Scripting (PowerShell/Bash/Python)

ITSM tools (ServiceNow/Jira)

Tools

Kubernetes

Helm

ServiceNow

Jira Service Management

Job description

Role: Application Support & Software Reliability Engineer

Location: Offshore

Experience: 4+ Years

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.
• Scripting knowledge in PowerShell, Bash or Python.
• Experience with ITSM tools such as ServiceNow or Jira Service Management.

Good to Have

• 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.