Unix System Administrator

The Technology Division at BCS is responsible for the operations, maintenance, and support of BCS applications such as FAST, Giro, CTS, Pay Now, SGQR, TFR, eGIRO and its critical infrastructure, ensuring its operational stability, regulatory compliance, and service reliability.

The Infrastructure Services Team under Technology ensures the resilience, security, and high-performance of BCS’ technology infrastructure across various functions of service monitoring, incident management, and technical support. The team ensures seamless operation, maintenance, and strategic growth of core infrastructure components, including networks, servers, storage, middleware, and databases.

The Senior Unix Engineer is responsible for managing and maintaining the Unix environment, ensuring its continuous availability and optimal performance in production systems that support BCS’ critical online payment services.

• Perform system administration and maintenance in a heterogeneous environment (production, DR, test) comprising of Sun Solaris servers and Linux-based servers
• Perform system upgrade and enhancement on IT infrastructure components
• Implement operating system and product-specific security hardening and patches
• Monitor obsolescence of IT infrastructure components (systems)
• Monitor expiry and perform renewal of system passwords and certificates
• Implement a schedule of system backups and database archive operations to ensure data recoverability and business continuity
• Develop and implement disaster recovery plans for IT infrastructure (systems) and conduct regular disaster recovery testing and component switchover exercises to ensure usability of standby and DR equipment
• Manage the application User Acceptance Test (UAT) and upkeep the use of UAT environment
• Document middleware platforms and related infrastructure as directed with respect to functionality, maintenance, and administration.
• Provides technical support and guidance (level
  3) to end-users, and other IT resources.

• Provide second level system support and resolve incidents and problems in accordance to established Service Level Agreement (SLA)
• Perform problem diagnosis on incidents and propose and implement measures to prevent recurrence

• Schedule and release system changes to production environment in accordance with the change management process / procedures
• Create deployment packages for application changes using the application deployment tool

• Develop and maintain a comprehensive operating system hardware and software configuration database / library of all IT infrastructure components used in the production environment

• Perform infrastructure capacity monitoring and planning
• Monitor and perform performance tuning to optimize system performance

• Devise and implement the underlying processes supporting IT service management, in conformance to corporate security policies and guidelines

• Provide systems support to projects in accordance with the project timeline
• Manage infrastructure enhancement in accordance with established guidelines

• Develop and maintain technical and process documents to upkeep IT infrastructure

• Bachelor’s degree in Information Technology, Information Systems, Computer Science, or a related field
• Minimum 8 years of experience in system administration and support in Middleware, Unix and Linux systems

• Experience in working with SAN for Unix and Linux Platforms
• Experience in performing OS hardening and patching
• Experience with enterprise backup and…