Vacancy title:
Senior Specialist; Network Security

[Type: FULL_TIME, Industry: Banking, Category: Admin & Office]

Jobs at:
CRDB Bank

Deadline of this Job:
Saturday, August 30 2025

Duty Station:
Dar es Salaam | Dar es Salaam | Tanzania

Summary
Date Posted: Tuesday, August 19 2025, Base Salary: Not Disclosed

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JOB DETAILS:

Job Purpose

Responsible to plan, organize and lead a team to deliver cost effective and efficient IT security controls to protect and defense the bank’s network infrastructure against any internal and external threats (eg. unauthorized access, cyber-attacks, etc).

Principle Responsibilities

• Protects network infrastructure by defining access privileges, control structures, and resources.
• Manage and ensure optimal security configuration of all network security hardware and equipment (firewalls, routers, switches, load balancers, etc.) for the LAN, WAN, Data Centers, Core Network, and WLAN.
• Conduct research and make recommendations on network security products, services, protocols, and standards in support of continuous improvements. Configure enterprise-wide security in firewalls, routers, and switches.
• Manage critical and high-impact network incidents.
• Perform analysis of network infrastructure and contribute to design, integration, and enhancements focusing on security aspects.
• Work with cross-functional teams to identify risks and issues, and create plans to mitigate and resolve them.
• Act as technical liaison with vendors to resolve issues within prescribed SLAs.
• Collaborate with multiple communication and network vendors to design and improve the Bank’s network infrastructure.
• Prepare technical documentation for network security solutions and maintain related equipment and appliance inventories.
• Configure IP voice services including Cisco Communications Manager Express, Cisco Unified Communication Manager, and Cisco Utility Manager.
• Implement, maintain, and support IDS/IPS systems using security appliances such as Cisco Firepower, Palo Alto PAN-OS, FortiGate NGF, and other technologies.
• Design, deploy, and maintain IPSec & SSL VPNs for internal services and third-party connections.
• Ensure proper case handling and provide coaching and training as necessary.
• Demonstrate excellent problem-solving skills, strong conceptual and analytical abilities, and the capacity to work effectively as a team member.
• Stay highly informed on industry best practices relevant to the role.
• Facilitate the purchase and tracking of IT equipment, software, and licenses.

Qualifications Required

• Bachelor’s degree in Computer Systems Technology or a related field.
• Essential certifications:
  • CompTIA Network+ Certification
  • Cisco CCNP Certification
  • Certified Security Professional (CSP)
  • Other OEM Internetwork Expert Certifications
• Minimum of 5 years’ experience in Network and Infrastructure roles, preferably within a banking environment.
• Proven ability to manage technical interactions with vendors, contractors, and other stakeholders.
• Strong knowledge of network security and compliance standards.
• Hands-on experience with multiple vendor equipment such as Cisco, Palo Alto, F5, Fortinet, Radware, etc.
• Proficiency in configuring and troubleshooting routers, firewalls, and switches.
• Ability to analyze, test, and evaluate networks to ensure optimal performance and adequate resource allocation.
• Expertise in network security, including architecture and configuration of Cisco routers, firewalls, and a wide range of security products.
• Strong experience with Server Operating Systems (Windows & Linux).
• Familiarity with various firewall gateway products (Cisco, Palo Alto, Fortigate, Juniper, etc.).
• Experience with virtualization technologies (VMware, Hyper-V, Citrix, etc.).
• Deep expertise in Layer 2 & Layer 3 VPNs.

Work Hours: 8

Experience in Months: 60

Level of Education: bachelor degree

Job application procedure

Interested and qualified? Click here to apply

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