Post Bank • Nairobi, Nairobi, Kenya
The Network Administrator is primarily responsible for the management of corporate network infrastructure, including corporate firewalls, routers and switches. He/she is responsible for configuring, maintaining, supporting and optimizing all new and existing network hardware, software and communication links. He/she also troubleshoots network performance issues, analyzes network traffic and provides capacity planning solutions.
Develop, test and continuously review a comprehensive disaster recovery framework and architecture for the Bank’s networks, maintaining comprehensive documentation where required.
Collaborate with the team lead to assess near- and long-term network capacity needs.
Prepare detailed network specifications, including diagrams, charts, equipment configurations, recommended technologies, network mapping, processes and service records.
Participate in the evaluation of technical specifications for network and security-related devices or solutions.
Perform general network administration, including user management, access control and security.
Deploy and develop methodologies for testing network performance and providing network performance statistics and reports.
Select, deploy and utilize appropriate tools for reporting IP traffic on the network.
Support new and existing equipment, hardware and software upgrades relating to network equipment.
Manage and administer active corporate network infrastructure, including corporate firewalls, routers and switches; install additional servers, keep the network operating system up to date and oversee the maintenance of network workstations.
Manage and ensure optimal operation of all network hardware and equipment, including routers, switches and firewalls; diagnose network problems and outages.
Manage and ensure optimal operation of all network hardware and equipment for the Unified Communication and Collaboration System, diagnosing network problems and outages.
Manage and ensure the effectiveness of security solutions, including firewalls, VPNs and IDS/IPS systems.
Configure all networks to ensure their smooth and reliable operation in fulfilling organizational objectives and processes.
Receive, prioritize and respond to incoming work order calls and/or emails regarding equipment and/or connectivity problems.
Assist in supporting corporate infrastructure servers such as email, calendaring, web, licensing and document management systems.
Perform network configuration backups and recovery periodically.
Manage Internet access filtering, email filtering and related monitoring systems.
Monitor and maintain the Postbank wide area network (WAN) to ensure connectivity availability for all system users.
Liaise with contracted service providers in reporting and resolving branch connectivity issues.
Coordinate and control network access and usage.
Recommend changes to improve systems and network configurations and determine hardware or software requirements related to such changes.
Monitor network performance to determine whether adjustments need to be made and identify where future changes will be required.
Provide leadership in maintaining, troubleshooting and upgrading the core network infrastructure. This includes core network switches, end switches, network drawings, maintaining current designs and developing future design requirements.
Monitor the performance of ICT network equipment.
Maintain Local Area Network (LAN) and Wide Area Network (WAN) components.
At least three (3) years of relevant work experience at the grade of ICT Officer II or in a comparable position.
Bachelor’s degree in any of the following fields: Information Technology, Computer Science, Business IT, Software Engineering, ICT Project Management, Computer Engineering or equivalent qualifications from a recognized institution.
Certification in either Cisco Certified Network Associate (CCNA), CCNP, Certified Information Systems Auditor (CISA), Certified Information Systems Security Professional (CISSP) or equivalent qualification from a recognized institution.
Knowledge of operating systems, desktop products and application systems.
Strong troubleshooting skills.
Fulfilled the requirements of Chapter Six of the Constitution.