Senior Infrastructure & Systems Engineer

UNISONEDGE CONSULTING PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

UNISONEDGE CONSULTING PTE. LTD. seeks an experienced senior infrastructure and systems engineer to support and manage enterprise infrastructure, platforms, upgrades and DR activities.

You will collaborate with infra, database and business teams to ensure availability, stability and security of critical environments. Responsibilities include designing and maintaining cross-platform systems, supporting Oracle DB upgrades and OBIEE, and ensuring smooth DR testing and ITIL-aligned service delivery.

Qualifications

• Bachelor's degree or higher in a relevant field is required.
• Minimum 8 years of infrastructure engineering, systems administration, or production support.
• Strong hands-on experience with Linux/Unix and Windows environments.
• Experience with Oracle databases, including upgrades and migrations.

Responsibilities

• Design, install, configure, upgrade, and maintain enterprise infrastructure systems across Linux/Unix and Windows.
• Manage server builds, deployments, upgrades, patching, and post-implementation support.
• Perform health checks, monitoring, troubleshooting, and root-cause analysis for infra issues.
• Support Oracle DB upgrades, app platform upgrades, and infra migration activities.
• Administer OBIEE environments across development, testing, production.
• Coordinate backup, restore, DR activities and DR testing.
• Collaborate with DBA, network, app, and business teams to resolve incidents.
• Support file-transfer and scheduling tools like Control-M and Connect:Direct.
• Follow ITIL processes for incidents, problems, changes and releases.
• Automate repetitive tasks and identify improvement opportunities.
• Prepare technical docs, procedures, and recovery procedures.

Skills

Linux/Unix

Windows environments

Oracle databases

OBIEE

ITIL knowledge

Automation

Stakeholder management

Education

Bachelor's degree in computer science, information technology, electronics engineering, or related discipline

Tools

Control-M

Connect:Direct

OBIEE

Job description

UNISONEDGE CONSULTING PTE. LTD. seeks an experienced senior infrastructure and systems engineer to support and manage enterprise infrastructure, platforms, upgrades and DR activities.

You will collaborate with infra, database and business teams to ensure availability, stability and security of critical environments. Responsibilities include designing and maintaining cross-platform systems, supporting Oracle DB upgrades and OBIEE, and ensuring smooth DR testing and ITIL-aligned service delivery.