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Middleware Administrator (L2 & L3)

🗓️ Posted 2026-08-14 Singapore Permanent ICT

Company shared salary

NA

Market rate

NA

Based on similar roles (title + domain + location).

Responsibilities

  • ● Provide 24x7 operational support for middleware platforms to ensure service availability and business continuity.
  • ● Participate in shift rotations, on-call support, major incident management, and disaster recovery activities.
  • ● Support critical production incidents and provide timely resolution within agreed SLA commitments.
  • ● Coordinate with global teams and stakeholders to deliver round-the-clock support coverage.
  • ● Install, configure, administer, upgrade, patch, and troubleshoot middleware platforms.
  • ● Manage middleware environments across Development, Test, UAT, and Production landscapes.
  • ● Perform middleware capacity management, performance tuning, and health checks.
  • ● Support application deployment, release activities, and environment migrations.
  • ● Analyze and resolve middleware incidents, service requests, and problem tickets.
  • ● Perform root cause analysis and implement preventive measures to improve platform stability.
  • ● Design and implement middleware architecture, high-availability, and disaster recovery solutions.
  • ● Develop as-is and to-be architecture assessments and deployment models for application and middleware environments.
  • ● Collaborate with application, infrastructure, database, network, and security teams to ensure seamless service delivery.
  • ● Identify and implement automation opportunities to reduce repetitive operational activities and improve service quality.

Requirements

  • ● Bachelor's degree in engineering, Computer Science, Management Information Systems, or related field.
  • ● At least 6+ years of information technology work experience and experience architecting, implementing, and/or managing virtual infrastructure environments.
  • ● Hands-on experience in Shell Scripting, Ansible/Terraform for infrastructure provisioning, configuration management, and automation.
  • ● Strong scripting skills using PowerShell, Python, or Shell Scripting to automate operational and administrative tasks.
  • ● Experience developing and maintaining automation workflows, reusable playbooks, and Infrastructure-as-Code (IaC) solutions.
  • ● Experience with Kafka, MuleSoft, AWS SNS/SQS, BizTalk, Kong API Gateway, IBM Big Fix, IBM WebSphere MQ/MQ Series.
  • ● Experience with Linux (RHEL, CentOS, Oracle Linux) and Unix (Solaris, AIX) operating systems.
  • ● Experience with Splunk, BMC Remedy, ServiceNow, and Enterprise Monitoring Tools.
  • ● Oracle Database knowledge and basic SQL and database connectivity troubleshooting.