Senior Network Specialist - 2 Positions

NMB Bank PLC

Dar es Salaam

NMB Bank PLC

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Job Location: Head Office, Hq

Job Purpose:

Oversee and manage the enterprise Channels (LAN/WAN) infrastructure, as well as handle the administration and optimization of service providers' leased lines.
Day-to-day network projects and support enhancements, advanced troubleshooting and day-to-day optimizations and support of the bank’s Channels and LAN Network infrastructure segments.

Main Responsibilities:

• Design, deploy, configure, and maintain the bank's LAN and WAN infrastructure to ensure optimal network performance, availability, and security.
• Manage and support Service Providers leased lines, including monitoring bandwidth utilization, troubleshooting connectivity issues, and coordinating with vendors for timely issue resolution.
• Collaborate with internal stakeholders to understand network requirements and design solutions that align with business needs.
• Implement and maintain network security measures, including firewalls, VPNs, and intrusion detection systems.
• Monitor network performance and conduct regular performance analysis to identify areas for improvement and implement appropriate enhancements.
• Troubleshoot network-related issues, perform root cause analysis and implement corrective actions to minimize network downtime and ensure service continuity.
• Evaluate and recommend network hardware, software, and services to optimize network infrastructure and support future growth.
• Develop and maintain network documentation, including network diagrams, standard operating procedures, and configuration details.
• Collaborate with cross-functional teams, including IT infrastructure, applications, and security teams, to ensure seamless integration and alignment of network solutions.
• Stay up to date with industry trends, emerging technologies, and best practices related to network infrastructure management.
• Provide periodic capacity & forecast planning statistics and regular reports to aid in management decisions.
• Enhance approaches and technical methods used by Networks team/NOC/Field Support for Branch Network support and troubleshooting techniques to ensure smooth branch business operations.
• Service Contract and SLA Management including bills validation and reconciliation.
• Responsible for knowledge sharing to Level 1 Support team & Network Specialists on solutions to un-documented issues.

Knowledge and Skills:

• Knowledge of the bank’s products and operations
• Advanced knowledge of Network Support and troubleshooting
• In-depth knowledge of LAN/WAN technologies, protocols, and standards.
• Advanced knowledge of Cisco Wireless LAN Controllers & Lightweight Access Points
• Advanced Knowledge of Network devices including routers, switches, and firewalls.
• Advanced Knowledge of telecommunications protocols and standards, voice and data infrastructure tools and services, QoS design and operation
• Advanced knowledge of Data Centre Network Technologies (DC Interconnect, Cisco Nexus, VPC, Cisco ACI, SAN, UCS, FI etc.)
• Knowledge of Collaboration Systems and Voice Technologies (E1s, SIP)
• Deep understanding of Enterprise Network and Cybersecurity Technologies (BGP, EIGRP, OSPF, QoS, route redistribution, loop prevention, etc.)
• Strong understanding of encryption technologies over wide area networks and the Internet (RA VPN, S2S VPN, FlexVPN, DMVPN)
• In-depth knowledge of Network Automation tools and Software Defined Networks (SDNs) including Cisco SD-Access, SD-WAN and ACI.
• Strong expertise in configuring and troubleshooting routers, switches, firewalls, and VPNs.
• Strong expertise in configuring and troubleshooting routers, switches, firewalls, and VPNs.
• IT Service Management, Communication and Project Management skills
• Ability to work on initiative and be a self-starter, prioritizing work with minimum supervision.
• Committed to self-development and enthusiastic about acquiring new skills and embracing new technologies
• Team player that motivates and educates other team members.
• Ability to manage network service providers, vendors, contractors, and others.

Qualifications and Experience:

• Bachelor’s degree in computer science, Information Technology, or a related field.
• Proven experience (5 years) as a Network Specialist, Network Engineer, or similar role.
• Must have valid CCNP Enterprise.
• Other necessary Professional certifications include CCNP Security, PMP, ITILv3, PCNSE, Fortinet NSE,
• Checkpoint CCSA & CCSE, Radware, F5, Arista, AWS, Huawei, or Juniper certifications.
• Relevant certifications (e.g., CCIE, JNCIP) will be an advantage.
• Experience supporting Multi-vendor Networks (Cisco, Palo Alto, F5, Checkpoints, Fortinet, Radware, Arista, Huawei, Juniper, etc.)
• In-depth experience of Cisco IOS, IOS-XE, NX-OS, SDWAN, ACI, WAN, VPN, Wired and Wireless LAN technologies.
• In-depth knowledge of and experience with major routing protocols; specifically, BGP and OSPF.
• Experience in automation via Bash/shell scripting, Python programming or other languages
• In-depth experience with Network Automation tools and Software Defined Networks (SDNs) including Cisco SD-
• Access, SD-WAN and ACI.

NMB Bank Plc is an Equal Opportunity Employer. We are committed to creating a diverse environment and achieving a gender-balanced workforce.
Female candidates and people living with disabilities are strongly encouraged to apply for this position.