Network Security Engineer (Remote)

Job Summary

• Our client is seeking a Network Security Engineer to design, implement, and maintain secure network infrastructure.
• The Network Security Engineer designs, implements, and maintains controls that protect the organization’s network infrastructure, systems, and data.
• The role combines hands-on engineering with continuous monitoring, incident support, and improvement of security architecture across on-premises, cloud, and hybrid environments.

Responsibilities

• Design, deploy, configure, and maintain network-security technologies, including firewalls, VPNs, secure web gateways, intrusion detection/prevention systems, network access control, and security monitoring tools.
• Deploy and maintain virtual private servers for the organization.
• Develop and maintain secure network architectures, segmentation standards, access-control policies, and configuration baselines for wired, wireless, cloud, and remote-access environments.
• Monitor network activity and security alerts; investigate anomalies, assess impact, and coordinate containment and recovery actions during security incidents.
• Conduct vulnerability assessments, configuration reviews, and periodic security testing; prioritize remediation with infrastructure and application teams.
• Review firewall rules, privileged network access, and third-party connectivity to ensure least-privilege access and policy compliance.
• Partner with IT, cloud, endpoint, and application teams to embed security requirements into new systems, changes, and projects.
• Maintain technical documentation, network diagrams, operational procedures, and evidence needed for audits, risk reviews, and compliance activities.
• Contribute to security awareness, incident-response exercises, disaster-recovery planning, and continuous improvement of the security program.

Requirements

• First Degree in Cybersecurity, Computer Science, Information Technology, or a related field; equivalent practical experience may be considered.
• 3+ years of experience in network engineering, network security, cybersecurity operations, or a closely related role.
• Hands-on experience administering and managing virtual private servers.
• Hands-on experience administering enterprise firewalls, VPNs, network segmentation, routing and switching, and network security monitoring.
• Experience investigating security events using SIEM, log-analysis, endpoint, or network-monitoring tools.
• Experience with cloud-network security in AWS, Microsoft Azure, or Google Cloud Platform.
• Experience supporting regulated environments and controls aligned to standards such as ISO 27001, NIST CSF, PCI DSS, SOC 2, or GDPR.
• Working knowledge of TCP/IP, DNS, DHCP, TLS, proxies, wireless security, identity and access management, and common attack techniques.
• Familiarity with zero-trust principles, secure access service edge (SASE), network automation, infrastructure as code, or scripting with Python, PowerShell, or Bash.
• Professional certifications such as Security+, CCNA Security, CCNP Security, CISSP, CISM, GIAC, Palo Alto Networks, Fortinet, or equivalent.
• Ability to translate risk and technical findings into clear recommendations for technical and non-technical stakeholders.
• Strong troubleshooting, documentation, communication, and prioritization skills.

Application Closing Date
7th August, 2026.

Method of Application
Interested and qualified candidates should send CV to:  View email address on hotnigerianjobs.com using the position as the subject of the email.

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