Senior Information & Network Security Engineer

1. Server & Infrastructure Management

• Install, configure, administer, and maintain Linux and Windows servers.

• Manage server infrastructure, virtualization platforms, and related services.

• Monitor server performance, availability, capacity, and resource utilization.

• Implement backup, recovery, and disaster recovery procedures.

• Apply operating system patches, security updates, and configuration changes.

• Troubleshoot infrastructure issues and ensure service continuity.

2. Network Management & Security

• Design, configure, manage, and secure LAN, WAN, VLANs, routing, and switching.

• Implement and maintain secure network segmentation and access controls.

• Configure and manage VPNs and secure remote access.

• Monitor network performance, availability, and security.

• Troubleshoot network connectivity and security-related issues.

3. Firewall Design & Management

• Design, implement, configure, and maintain enterprise firewall solutions.

• Develop and manage firewall policies, access rules, NAT, and traffic filtering.

• Configure intrusion prevention and detection features where supported.

• Review firewall rules regularly and remove unnecessary or risky access.

• Implement secure network zones and control traffic between internal networks, external networks, and internet-facing services.

• Monitor firewall logs and investigate suspicious network activity.

4. Infrastructure Security & Hardening

• Apply security hardening standards to servers, network devices, and infrastructure components.

• Conduct vulnerability assessments and coordinate remediation activities.

• Manage endpoint protection and server security solutions.

• Implement identity and access management controls, MFA, and privileged access restrictions.

• Investigate security incidents and implement corrective and preventive measures.

• Maintain secure configurations and ensure timely application of security patches.

5. Monitoring, Documentation & Compliance

• Monitor infrastructure health, security events, and system logs.

• Maintain infrastructure diagrams, firewall rules documentation, server inventories, and configuration records.

• Develop and maintain IT infrastructure and network security policies and procedures.

• Coordinate with software development and application teams to ensure secure infrastructure deployment.

• Assess infrastructure-related risks and recommend practical improvements.

• Support security audits and compliance requirements where applicable.