Infrastructure and Middleware Specialist

2 weeks ago

Singapore EXASOFT CONSULTING PTE. LTD. Full time
Roles & Responsibilities

Responsibilities:

  • Own end-to-end middleware support and operations for complex banking applications handling critical customer authentication, payment processing, and account services.
  • Manage and maintain 50+ high-availability environments including SIT, UAT, NFT, and PROD, ensuring consistent configurations and zero-downtime transitions.
  • Administer Weblogic, JBoss, and Websphere MQ application servers including instance management, patching, log analysis, heap tuning, and certificate renewals.
  • Handle SSL/TLS configurations,certificate lifecycle management (Apache, iPlanet, JBoss), and secure file transfer setup (SSH, SCP, SFTP).
  • Coordinate across Unix, Database, and Application teams for infrastructure patching, server hardening, and environment builds.
  • Troubleshoot complex middleware and application issues using thread/core dumps, JVM diagnostics, and platform-specific tools.
  • Design and implement platform migration strategies, environment replication, and cross-system integrations.
  • Ensure full compliance with financial regulations and security protocols, including traceability of file transfers and transaction integrity across systems.
  • Actively monitor and maintain system health across Solaris, Linux, and legacy Windows servers.
  • Collaborate with release management and deployment teams to support safe go-lives in production and pre-prod environments.

Requirements:

  • 10+ years of IT infrastructure and system operations experience, including minimum 10+ years in middleware support roles.
  • Deep expertise in Weblogic Server administration (9.x–12c) in clustered, high-transaction environments.
  • Solid working experience with Websphere MQ, JBoss, Apache, and iPlanet.
  • Strong command-line and scripting skills on Unix (Solaris/Linux) for diagnostics and automation.
  • Proven track record supporting critical production applications in the banking and financial sector especially payment gateways, transaction processors, or account servicing platforms.
  • Demonstrated capability in SSL certificate management, WebServer-to-AppServer security configurations, and performance tuning.
  • Experience handling environment replication, migration, and application onboarding across environments.
  • Hands-on experience with monitoring tools, server health checks, and proactive incident management in 24/7 environments
Tell employers what skills you have

UAT
Application Servers
Scripting
Unix
Administration
Tuning
Replication
Tomcat
Windows
Banking
Performance Tuning
Authentication
Apache
Solaris
Linux

  • Middleware / Tools Specialist

    1 week ago

    Singapore Epergne Solutions Full time

    Join to apply for the Middleware / Tools Specialist role at Epergne Solutions Join to apply for the Middleware / Tools Specialist role at Epergne Solutions Job Title: Middleware / Tools Specialist Job Title: Middleware / Tools Specialist Location: Singapore Job Responsibilities Deliver technical services to support environment provisioning , software...

  • Infrastructure Engineer

    2 weeks ago

    Singapore Assurity Trusted Solutions Full time

    Assurity Trusted Solutions (ATS) is a wholly owned subsidiary of the Government Technology Agency (GovTech). As a Trusted Partner over the last decade, ATS offers a comprehensive suite of products and services ranging from infrastructure and operational services, authentication services, governance and assurance services as well as managed processes. In a...

  • Infrastructure and Middleware Specialist

    2 weeks ago

    Singapore EXASOFT CONSULTING PTE. LTD. Full time

    Roles & ResponsibilitiesResponsibilities:Own end-to-end middleware support and operations for complex banking applications handling critical customer authentication, payment processing, and account services. Manage and maintain 50+ high-availability environments including SIT, UAT, NFT, and PROD, ensuring consistent configurations and zero-downtime...

  • Middleware Solutions Specialist

    2 weeks ago

    Singapore beBeeMiddleware Full time

    Middleware Solutions Specialist Job Summary As a Middleware Solutions Specialist, you will play a key role in analyzing business requirements, designing middleware solutions, integrating systems and platforms, and ensuring secure, efficient, and scalable operations across enterprise applications. This role requires strong technical expertise in...

  • Infrastructure Specialist

    2 weeks ago

    Singapore beBeeMiddleware Full time $80,000 - $120,000

    Job Description">We are seeking a seasoned professional to deliver end-to-end middleware support and operations for complex banking applications.">This includes handling critical customer authentication, ensuring seamless transactions, and providing exceptional service.">Required Skills and Qualifications">Proven experience in infrastructure and middleware...

  • Enterprise Middleware Support Specialist

    2 weeks ago

    Singapore beBeeMiddleware Full time $80,000 - $120,000

    Job DescriptionWe are seeking an experienced specialist to own end-to-end middleware support and operations for complex banking applications handling critical customer authentication.Key Responsibilities:Manage middleware infrastructure to ensure seamless application performance and availability.Collaborate with cross-functional teams to resolve technical...

  • Business Application Middleware Expert

    2 weeks ago

    Singapore beBeemiddleware Full time $120,000 - $150,000

    Middleware SpecialistWe are seeking a seasoned Middleware Specialist to join our team. As an administrator, you will be responsible for the installation, configuration, and support of middleware technologies including Tomcat, JBoss, and Connect:Direct.Key Responsibilities:Middleware Administration: Install, configure, and administer middleware...

  • Senior Middleware Infrastructure Specialist

    2 weeks ago

    Singapore beBeeAdministration Full time $120,000 - $180,000

    Middleware Administration PositionThe Middleware Administrator will be responsible for installing, configuring, and administering middleware technologies. They will ensure the availability, reliability, and scalability of middleware environments.

  • Middleware Architect

    2 weeks ago

    Singapore beBeeMiddleware Full time $90,000 - $120,000

    Middleware Solutions SpecialistAs a Middleware Solutions Specialist, you will play a crucial role in analyzing business requirements, designing middleware solutions, integrating systems and platforms, and ensuring secure, efficient, and scalable operations across enterprise applications.This position requires strong technical expertise in middleware...

  • Application Middleware Infrastructure Sme

    2 weeks ago

    Singapore Capgemini Full time

    Middleware: JBOSS, WebLogic, WebSphere, Apache - Messaging Platforms: WebSphere MQ, Sterling CD, SFTP and API's - Infrastructure: Solaris, Linux, Oracle DB - DevOps Tooling: Jenkins - Scripting: Shell Scripting, PYTHON