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Senior Network Administrator Job Opening In singapore singapore – Now Hiring U3


Job description

Key Responsibilities

Network Administration

  • Perform system and network administration in a heterogeneous environment (production, DR, test) comprising of network & security equipment (eg.

    routers, firewalls, cryptography equipment), telecommunication links and Sun Solaris servers and Windows-based servers
  • Configure firewall rules and monitor the intrusion detection systems
  • Perform system and network upgrade and enhancement on IT infrastructure components
  • Implement network, operating system and product-specific security hardening & patches
  • Monitor obsolescence of IT infrastructure components (network systems)
  • Monitor expiry and perform renewal of network system password and certificates
  • Implement a schedule of system and network backups operations to ensure data recoverability and business continuity
  • Develop and implement 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
  • Incident & Problem Management

  • Provide 2nd level network support and resolve incidents and problems in accordance to established Service Level Agreement (SLA)
  • Perform problem diagnosis on incidents and propose & implement measures to prevent recurrence
  • Change & 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 & Performance Management

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

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

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

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

    Qualification

  • Degree in Information Technology and related discipline
  • Preferably, attained CCNA, CCNP, MCSE, CCSA, CCSE
  • Experience and Technical Skills Set

  • At least 3 years hands-on experience in managing network and security equipment such as Firewalls, Intrusion Detection systems, Routers, Switches, Load Balancer, VPN, DNS
  • Good to have experience/ industry certification for firewall and public cloud administration
  • Proficiency with MS Word, MS Excel, MS Access and MS PowerPoint.
  • Other Criteria

  • 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 customer-oriented mindset
  • Possess a sense of initiative
  • Able to multi-task
  • Familiar with data center operations
  • Required Skill Profession

    Computer Occupations


    • Job Details

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