SeniorAdministrator - Postfix,Microsoft Message Queuing

Job Summary

Experienced L2 Application & Middleware Operations Engineer with 8+ years of expertise in IIS, .NET, BizTalk, and middleware technologies. Strong in troubleshooting, incident resolution, and managing integration platforms across Windows and Linux environments, ensuring application stability and performance.

Key Responsibilities

  Provide L2 support and resolve complex issues escalated from L1

  Troubleshoot BizTalk issues (orchestrations, suspended messages, adapter failures)

  Manage BizTalk configurations (ports, hosts, adapters)

  Debug integration errors using Event Viewer and BizTalk Admin Console

  Monitor and support IIS (sites, SSL bindings, logs)

  Support middleware environments (JBoss, WebLogic, Tomcat, Apache, WebSphere)

  Handle API integrations and WSO2 platform support

  Perform incident, problem, and change management (ITIL)

  Collaborate with QA, Infra, and Development teams

  Support version upgrades, patching, and certificate lifecycle management

  Use monitoring/observability tools (Dynatrace, AppDynamics, DataDog)

Skill Requirements

  Technologies: IIS, .NET, BizTalk, MQ, WSO2 API Management

  Middleware: JBoss, WebLogic, Apache, Tomcat, WebSphere

  Scripting/Programming: Java, Unix Shell, Windows Scripting

  Databases: SQL Server, Oracle

  Integration: APIs, SOA, FTP, SOAP, SQL adapters

  Tools: BizTalk Admin Console, Event Viewer, monitoring tools

  Frameworks: ITIL, CMMI

  Platforms: Windows, Unix/Linux

Other Requirements

  Strong troubleshooting and analytical skills

  Excellent communication and customer handling skills

  Good documentation and reporting ability

  Ability to work in a matrix organization with multiple teams

  Experience in upgrade, maintenance, and system lifecycle activities