Senior Middleware Engineer: HA, Security & Automation

quess selection & services pte. ltd.

Singapore

On-site

SGD 120,000 - 180,000

Full time

7 days ago

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Job summary

quess selection & services pte. ltd. is seeking an experienced middleware engineer to design, implement, and support enterprise platforms.

You will act as an L2 escalation point for complex incidents, performance issues, and outages while owning full lifecycle management from installation to decommissioning. Responsibilities include architecting high-availability and disaster-recovery solutions, ensuring security hardening, and automating tasks with scripting/DevOps.

Qualifications

5–7+ years of middleware experience across enterprise platforms.
Bachelor’s degree in computer science or related field.
Experience with IBM ACE, IBM WebSphere MQ, and DB2/WAS.
Proficient in ESQL or Java for component development.
Strong knowledge of SOA, messaging, and data integration.
Experience designing SOAP/REST services and API architectures.

Responsibilities

Involve in design, implementation, and support of enterprise middleware platforms.
L2 escalation point for incidents, performance issues, and outages.
Own end-to-end lifecycle management: installation, configuration, patching, upgrades, decommissioning.
Architect and implement HA, DR, and resiliency solutions.
Ensure middleware security hardening and patching compliance.
Automate operational tasks using scripting or DevOps tools.
Follow SDLC stages: requirements, design, development, implementation, support, risk assessment.
Demonstrate strong problem-solving with root-cause analysis and solutions.
Communicate clearly with customers and teams on technical/business outcomes.
Guide other development teams on best practices for web services and integrations.