Perform network administration in a heterogeneous environment (production, DR, test) comprising network & security equipment and telecommunication links.
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Conduct hardening, upgrades, and enhancements on IT infrastructure components.
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Monitor, assess, schedule, and implement network and product-specific security vulnerability patches.
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Track obsolescence of IT infrastructure components (network systems).
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Monitor expiry and renew network system passwords and certificates.
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Implement network backup operations to ensure data recoverability and business continuity.
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Execute disaster recovery plans for IT infrastructure (network systems) and conduct regular disaster recovery testing and component switchover exercises to ensure usability of standby and DR equipment.
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Provide 24 x 7 support (in 5 shifts).
Project Management & Support
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Provide infrastructure (system & network) support to projects in accordance with project timelines.
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Manage infrastructure enhancement/upgrade projects following established project management guidelines.
Incident & Problem Management
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Provide second-level network support and resolve incidents and problems in accordance with established Service Level Agreements (SLA).
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Diagnose problems on incidents and propose and implement measures to prevent recurrence.
Change & Release Management
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Schedule and release network system changes to the production environment in accordance with change management processes and procedures.
Configuration Management
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Develop and maintain a comprehensive operating system hardware and software configuration database/library of all IT infrastructure components used in the production environment.
Capacity & Performance Management
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Monitor and plan infrastructure system and network capacity.
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Perform performance tuning to optimize network performance.
Process Management
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Implement underlying processes supporting IT service management, in conformance with corporate security policies and guidelines.
Documentation
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Develop and maintain technical and process documents to support IT infrastructure.
Requirements
Education and Experience
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Bachelor’s degree in Information Technology, Information Systems, Computer Science, or a related field.
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Minimum of 5 years of hands-on experience managing network and security equipment such as Routers, Switches, Firewalls, VPN, Load Balancer, DNS, NAC.
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Ability to support 24/7 operations.
Skills and Knowledge
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Experience in public cloud administration.
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Familiarity with data center operations.
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Good written and verbal communication skills.
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Strong interpersonal skills; able to work independently and as part of a team.
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Strong problem-solving skills, with the ability to quickly develop solutions that balance technical needs and business impact.
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Customer-oriented mindset.
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Ability to manage and prioritize multiple tasks and projects effectively.