Network Administrator

Roles & Responsibilities

• Plan, design, and implement network solutions that meet the business needs and objectives
• Configure, maintain, and monitor network and communication devices, such as routers, switches, firewalls, load balancers, WIFI access points, servers, etc.
• Troubleshoot and resolve network issues, such as connectivity, performance, security, etc.
• Ensure network security and compliance with policies and standards.
• Provide network support and assistance to end-users and other IT staff.
• Document network configurations, procedures, and changes.
• Research and evaluate new network technologies and products.
• Perform network upgrades, backups, and maintenance.
• Define the Network architecture and implement using the best industry practices.
• Ensure resources, technology & tools are in place to support the delivery of IT services on 24×7 basis with the required performance.
• Responsible for the inventory of network assets and follow established procedures for decommissioning and scrapping of company assets.
• Ensure the smooth running of critical systems, WAN, Internet lines & other point-to-point connectivity, etc.
• Monitor performance of communication lines using PRTG and/or any other tools.
• Ensure all inter-cabling connectivity among collocated server racks are neat and labeled; maintain an updated interconnectivity diagram between routers to firewalls, firewalls to load balancers, and switches to servers.
• Update the latest version of network (LAN/WAN) and server topologies.
• Ensure managed hosting services & network systems run as per the colocation agreement; Scrutinize/ understand the contract clauses for the proper delivery of service by the ISP.
• Renew the URLs and manage the SSL certificates with the Certification Authority.
• Ensure the proper running of the on-premises PABX system till it is decommissioned.
• Understand & follow the configuration of Cloud PABX system with the service provider.
• Maintain an up-to-date listing of licenses and support renewals, for instance:
  • Data center colocation and communication lines for all sites,
  • Managed services for routers, switches, firewalls,
  • Cloud PABX system,
  • Software load balancers,
  • URLs and Digital Certificates.
• Perform root cause analysis of recurring technical problems & identify solutions to resolve issues.
• Interact/negotiate with suppliers, managed service providers, contractors for proactively managing the network and IT Infrastructure.
• Collaborate with colocation service provider and escalate complex technical issues till the issues are resolved.
• Provide written justifications for acquiring high-end hardware/software.
• Proficient in documenting complex network matters in a precise format.
• Study current/upcoming network and network security requirements for budget estimation, determine capacity planning for short & medium term.
• Adhere to the established Procurement policy for all Network/Communication related purchases.
• Enforce the application of change management procedures with colocation service providers and internal staff.
• Assist Network Engineer to ensure the switchover of public IPs to the DR site with the ISP.
• Ensure risks to information are properly managed & security is embedded within networking processes.
• Involve in the security implementation based on ISO27001 control guidelines.
• Follow & adhere to the procedures of data privacy and protection.
• Assist Network Engineer in drafting responses to audit queries relating to Network, Communication & Network Security.
• Produce incident reports on Network/Communication disruptions and/or prolonged outages.
• Keep updated with technology trends & propose innovative solutions.
• Prioritize & execute tasks in a high-pressure environment within tight deadlines.
• Work in collaboration with DevOps team and implement/address the requirements of microservices platform such as Kubernetes.
• Any other cognate duties related to Network & Network Security as directed by the Head of Department.

Qualifications and Certifications

• Diploma in Computer Science or any other equivalent acceptable qualifications.
• Certified in any one of the fields: CCNA, NSE, CompTIA+ or any other.
• Knowledge of Information Security and/or ISO27001 implementation will be an advantage.

Experiences and Skills

• At least 2 years’ experience in Network Administration or security or in a similar role.
• Network & Communication concepts: OSI, TCP/IP layers, WAN, Switching, Routing, Subnetting, network troubleshooting tool, Load Balancing and PABX on premise or on cloud.
• Knowledge of Network Security: Firewalling, Log analysis, VPN-IPSEC, SSL-VPN, VPN Tokens.
• Knowledge of Windows operating systems and Active Directory.
• Good written, oral, and interpersonal communication skills.
• Knowhow in setting up of any monitoring tools like Zabbix/PRTG/Nagios/Prometheus.