Senior Middleware and Web Services Engineer

TEAMLEASE DIGITAL SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

TEAMLEASE DIGITAL SOLUTIONS PTE. LTD. in Singapore seeks a seasoned middleware and web services leader to guide multi-year modernization, cloud migrations, and AI-enabled operations.

You will partner with application, AI, analytics and operations teams to build secure, scalable platforms across on-prem and cloud environments, emphasizing WebSphere, WebLogic, and related IBM software. This role demands hands-on technical credibility, strategic vision, and strong leadership to deliver cost

Qualifications

• 6+ years of hands-on middleware, web hosting and application server experience in a large org.
• Strong experience administering IBM middleware (WebSphere/WebLogic/IHS).
• Knowledge of SSL and server certificates and security practices.
• Experience with wsadmin scripting, J2EE, XML, SQL and Shell/Perl scripting.
• Unix/Linux administration and TCP/IP networking, Windows proficiency.

Responsibilities

• Own a multi-year middleware and web services roadmap aligned to cloud migration and AI readiness.
• Administer and optimise IBM middleware stack (WAS, WebLogic, IHS).
• Support other hosting platforms (Oracle App Server, Apache, Tomcat).
• Drive AI/agentic and AIOps capabilities including anomaly detection and auto-scaling.
• Build end-to-end observability for middleware using Grafana/Datadog equivalents.
• Lead cloud-native patterns for web services and middleware on AWS; keep on-prem stable and secure.
• Create secure, self-service middleware via UI and API for end users.

Skills

Middleware architecture

WebSphere/WAS

Cloud-native migration

AI/ML readiness

DevOps/CI-CD

Scripting (Python/PowerShell)

Security & compliance

Unix/Linux admin

Terraform / IaC

TCP/IP networking

Tools

IBM WebSphere

WebLogic

IHS

Terraform

Jenkins

Spinnaker

Job description

About the Role:

You will work with engineering teams to lead next-generation automation for middleware and web services. The role covers evolving legacy platforms and leading their build, integration and migration to cloud-native, open-source and AI/agent-powered platforms. You will need deep technical credibility, a visionary approach, and the ability to partner with application, AI, analytics and operations teams.

Key Responsibilities

• Own a multi-year middleware and web services roadmap aligned to business goals such as cloud migration, cost optimisation, latency SLAs and AI/ML readiness.
• Administer and optimise IBM application hosting technologies, including WebSphere Application Server, WebLogic, WebSphere Portal, WebSphere Liberty, WebSphere Process Server, WebLogic Forms and Reports, and IBM HTTP Server (IHS).
• Support other web hosting platforms such as Oracle Application Server, Apache and Tomcat.
• Drive adoption of AI, agentic and AIOps capabilities, including anomaly detection, predictive maintenance, self-healing, auto-scaling and automated patching.
• Build end-to-end observability for middleware platforms using tools such as Grafana, Datadog or equivalents.
• Lead cloud-native patterns for web services and middleware on AWS, while keeping critical on-premises applications stable and secure.
• Build secure, self-service middleware capabilities through UI and API solutions for end users and applications.
• Enforce enterprise information security protocols, manage SSL certificates and execute vulnerability patching for middleware components.
• Design and maintain message-driven processes for low-latency, high-volume transaction environments, including wires, ACH and instant payments, and manage SWIFT applications.
• Automate operational tasks and infrastructure changes using wsadmin, Python, Ansible or PowerShell.
• Ensure customer requirements meet information security standards, policies and guidelines, and support routine compliance activities.
• Develop, document and maintain middleware disaster recovery plans and end-to-end runbooks.
• Adopt DevOps and Agile practices in day-to-day work.

Requirements

• 6+ years of hands-on experience with middleware, web hosting and application server products in a large organization.
• Solid experience administering IBM middleware, including WebSphere, WebLogic, WebSphere Portal, WebSphere Liberty, WebSphere Process Server, WebLogic Forms and Reports, and IHS.
• Experience with security compliance and protocols such as SSL and server certificates.
• Good working knowledge of WebSphere (wsadmin) scripting, J2EE, XML, SQL and Shell or Perl scripting.
• Experience with Unix/Linux system administration and TCP/IP networking, plus Windows proficiency.
• Familiarity with compliance and risk frameworks such as ISO 27002 and SDLC.
• Hands-on experience with at least one public cloud platform (AWS, Azure or GCP).
• Experience with DevOps and CI/CD pipelines using Jenkins or Spinnaker.
• Experience with Infrastructure as Code, such as writing, testing and deploying reusable Terraform modules.
• Experience managing support and change management using ServiceNow.

Desirable

• Certification in public cloud or middleware products.

Success Attributes

Initiative, ability to perform under pressure, strong leadership and interpersonal skills, analytical problem-solving, and clear written and verbal communication. Self-motivated and able to work autonomously.