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Lafarge Tanzania Company Limited

Senior Network Specialist (WAN/LAN) (Re- Advertised) (1 Position(s)) NMB BANK TA

Lafarge Tanzania Company Limited, Sioux Falls, South Dakota, United States,


Senior Network Specialist (WAN/LAN) (Re- Advertised) (1 Position(s))

Job Purpose:Oversee and manage the enterprise LAN/WAN infrastructure, as well as handling 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 banks 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 periodic 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 bank’s products and operations.

Advanced knowledge of the 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 in Enterprise Network and Cybersecurity Technologies (BGP, EIGRP, OSPF, QoS, route redistribution, loop prevention, etc.).

Strong understanding of encryption technologies over wide area networks and 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.

IT Service Management, Communication and Project Management skills.

Ability to work on own 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 in 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.

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.

NMB Bank Plc does not charge any fee in connection with the application or recruitment process. Should you receive a solicitation for the payment of a fee, please disregard it.

Only shortlisted candidates will be contacted.

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