Network Security Analyst at Access Bank

Description

• The Network Security Analyst is responsible for protecting the organization’s network infrastructure by designing, implementing, and monitoring security controls.
• The role involves identifying vulnerabilities, responding to security incidents, managing firewalls and intrusion detection/prevention systems, and ensuring compliance with security policies and standards.
• Work closely with IT teams to assess risks, strengthen defences, and maintain the confidentiality, integrity, and availability of network systems.

Key Responsibilities

• Design, implement, and maintain secure network architectures (on-prem, cloud, and hybrid environments)
• Configure, manage, and monitor firewalls, VPNs, IDS/IPS, NAC, and secure remote access solutions
• Perform network security assessments, vulnerabilities scanning, and penetration testing remediation
• Monitor security events and logs; investigate and respond to security incidents
• Implement and enforce network security policies, standards, and best practices
• Manage network segmentation, access controls, and zero-trust security models
• Secure network protocols, routing, switching, and wireless infrastructure
• Collaborate with IT, cloud, and SOC teams to integrate security across infrastructure and applications
• Support compliance with regulatory and security frameworks (e.g., ISO 27001, NIST, PCI-DSS)
• Maintain documentation, diagrams, and incident response procedures
• Stay current with emerging threats, vulnerabilities, and security technologies
• Perform other responsibilities as assigned by the Head, Security Technology & Engineering

Requirements
Required Knowledge, Skills and Abilities:

• Strong knowledge of network security principles, TCP/IP, routing, switching, and DNS
• Hands-on experience with firewalls, VPNs, IDS/IPS, WAFs, and network access control (NAC)
• Experience securing cloud and hybrid environments (AWS, Azure, GCP)
• Experience conducting vulnerability assessments, risk analysis, and remediation
• Familiarity with zero trust architecture, network segmentation, and least-privilege access models
• Knowledge of secure network protocols and encryption technologies
• Experience responding to and investigating network security incidents
• Understanding of common attack techniques (e.g., DDoS, MITM, malware, lateral movement)
• Ability to develop and enforce network security policies, standards, and procedures
• Experience supporting compliance and regulatory frameworks (ISO 27001, NIST, PCI-DSS, CIS)
• Strong troubleshooting, documentation, and communication skills

Qualification & Experience
Mandatory:

• Bachelor’s degree in Computer Science, Information Security, or a related field
• 3–6 years’ relevant experience
• Industry-recognized certifications, such as:
  • CISSP, CISM, or CISA
  • CCNP Security or CCIE Security
  • CEH, GSEC, or equivalent network security certifications

Desirable:

• Cloud security certifications (e.g., AWS Security Specialty, Azure Security Engineer).