IT Network Security Officer

Zamil Offshore Services Company; Eastern Province; On-site; SAR 201,000 - 312,000; Full time

Job summary

Zamil Offshore Services Company is seeking a Network Security Specialist to bolster cybersecurity and business continuity by maintaining robust network controls and ensuring the resilience of critical services across the organization. You will drive secure network design and collaborate with IT teams to improve incident response and recovery capabilities.

Responsibilities include implementing ISO 27001 aligned controls, managing firewalls, routers, switches, VPNs, and remote access; monitoring

Qualifications

• Bachelor’s degree in IT, networking, CS, or related field.
• 5–8 years of hands-on enterprise network administration and security operations.
• Strong experience with firewalls, routing, switching, VPNs, and wireless networks.

Responsibilities

• Implement and monitor network security controls per ISO 27001.
• Manage firewalls, routers, switches, VPNs, and remote access solutions.
• Ensure secure network segmentation and access controls.
• Monitor, investigate, and coordinate remediation for security incidents.
• Maintain log management, SIEM integration, and security monitoring.
• Review configurations, firewall rules, and vulnerability remediation.
• Support secure connectivity for cloud, third parties, and DR infrastructure.
• Assess security impact during network changes.
• Maintain security documentation and audit evidence.
• Collaborate with IT governance and compliance teams.

Skills

Enterprise network admin

Network security operations

Incident response

Security monitoring

Log management

Firewall management

Routers

Switches

VPNs

Wireless networks

Education

Bachelor’s degree in IT / Networking / CS

Tools

Firewalls

Routers

Switches

VPNs

Wireless networks

Job description

The role supports the organization's cybersecurity and business continuity objectives by maintaining robust network security controls, managing network-related security incidents, and ensuring the resilience and availability of critical network services.

Key Responsibilities

• Implement, administer, and monitor network security controls in compliance with ISO 27001 standards.
• Manage firewalls, routers, switches, VPNs, 27001, NCA, wireless security, DNS, DHCP, and remote access solutions.
• Maintain secure network segmentation, access controls, routing policies, and traffic filtering.
• Monitor and respond to network security incidents, perform investigations, and coordinate remediation activities with relevant IT teams.
• Ensure continuous network visibility through log management, SIEM integration, and security monitoring.
• Conduct security reviews, configuration audits, firewall rule assessments, and vulnerability remediation.
• Support secure connectivity for third parties, cloud environments, VPNs, and disaster recovery infrastructure.
• Participate in change management by assessing security impacts of network modifications and deployments.
• Maintain network security documentation, incident records, and audit evidence.
• Collaborate with IT Governance and compliance teams to ensure adherence to security policies, standards, and regulatory requirements.

Qualifications

• Bachelor’s degree in information technology, Network Engineering, Computer Science, or a related field.
• 5–8 years of hands‑on experience in enterprise network administration and network security operations.
• Strong experience with firewalls, routing, switching, VPNs, wireless networks, and secure connectivity.