Senior Network Security Engineer

Position Summary

Responsible in delivering IT infrastructure services strategies and managing infrastructure-related issues, which include evaluation, conceptualisation, development, implementation, maintenance and support of IT infrastructure systems. Required to review existing work processes and recommend areas of improvement.

Key Responsibilities

Network Administration

• Perform network administration in a heterogeneous environment (production, DR, test) comprising of network and security equipment, telecommunication links
• Perform hardening, upgrade and enhancement on IT infrastructure components
• Monitor, assess, schedule and implement network, and product-specific security vulnerability patches
• Monitor obsolescence of IT infrastructure components (network systems)
• Monitor expiry and perform renewal of network system password and certificates
• Implement network backups operations to ensure data recoverability and business continuity
• 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

Project Management and Support

• Provide infrastructure (system and network) support to projects in accordance to the project timeline
• Manages infrastructure enhancement / upgrade projects in accordance to established project management guidelines

Incident and Problem Management

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

Change and Release Management

• Schedule and release network system changes to production environment in accordance to the change management process / procedures

Configuration Management

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

Capacity and Performance Management

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

Process Management

• Implement underlying processes to support IT service management, in conformance to corporate security policies and guidelines

Documentation

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

Requirements

• Degree in Information Technology or related discipline
• Must have, attained CCNA, CCNP, CCSA, CCSE, PCNSA, PCNSE, NSE (up to level 4)
• At least 5 years of hands-on experience in managing network and security equipment such as routers, switches, firewalls, VPN, load balancer, DNS, NAC
• Experience/ industry certification for public cloud administration
• Good written and verbal communication skills
• Good interpersonal skills and able to work independently as well as in a team
• Demonstrate good analytical and problem solving abilities
• Possess a customer-oriented mindset and a sense of initiative
• Ability to multi-task and operate in a fast paced environment
• Familiar with data center operations