Unix System Administrator

About the role

The Technology Division at BCS operates, maintains and supports critical payment applications such as FAST, Giro, CTS, PayNow, SGQR, TFR and eGIRO, and its infrastructure. The Infrastructure Services Team covers service monitoring, incident management and technical support. This role manages and maintains the Unix environment so that production systems supporting BCS' online payment services stay available and perform optimally.

Key responsibilities

• System administration and maintenance of a heterogeneous environment of Sun Solaris and Linux servers across production, DR and test
• System upgrades, OS and product security hardening and patching, and monitoring of obsolescence
• Renewal of passwords and certificates, scheduled backups and database archives, and disaster recovery plans with regular testing
• Second-level incident and problem management within SLAs, and change and release management of production changes
• Configuration management of the production infrastructure and capacity and performance monitoring and tuning
• Support for UAT, documentation of middleware platforms, and level 3 technical support to users and IT colleagues
• Project support and maintenance of technical and process documentation

Required profile

• Bachelor's degree in Information Technology, Information Systems, Computer Science or a related field
• Minimum 8 years of experience in system administration and support for middleware, Unix and Linux systems
• 24/7 support on a rostered basis, with weekend and after-hours support for critical production changes
• Strong communication, teamwork, analytical and problem-solving skills; self-starter with a customer-oriented mindset

Required skills

• SAN experience for Unix and Linux platforms
• OS hardening and patching, enterprise backup and monitoring software
• Proficiency in Unix and Linux scripting
• Familiarity with database administration and data centre operations is an advantage
• Unix and Linux Certified System Administrator certifications; public cloud administration certification preferred