Senior Unix Systems Engineer (Production & DR)

BANKING COMPUTER SERVICES PRIVATE LIMITED

Singapore

On-site

SGD 120,000 - 180,000

Full time

14 days+

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Job summary

Banking Computer Services Private Limited is seeking a Senior Unix Engineer to manage and optimize the Unix environment across production, DR, and test systems supporting critical online payment services.

The role requires strong Solaris/Linux administration, OS hardening, and 24/7 on-call support. You will lead incident resolution, change management, and infrastructure documentation to ensure reliability and security.

Qualifications

Bachelor’s degree in IT/CS/IS or related field.
Minimum 8 years of experience in system administration and support in Middleware, Unix and Linux systems.
Experience with SAN for Unix and Linux platforms.
Experience in OS hardening and patching.
Proficiency in enterprise backup, monitoring, and management software.
Strong communication across organizational levels and on-call readiness.

Responsibilities

Perform system administration and maintenance in production, DR, and test environments (Solaris and Linux).
Upgrade OS and infrastructure components; apply security patches and hardening.
Monitor obsolescence and renew passwords and certificates.
Develop disaster recovery plans and conduct DR testing and failover exercises.
Provide Level 3 support and guidance to end-users and IT resources.
Manage changes/releases to production; create deployment packages.
Document middleware platforms and related infrastructure.
Support projects and maintain IT infrastructure documentation.