Network Security

About the Role

Tamkeen Technologies is seeking a Network Security Manager to lead the design, implementation, operation, and continuous improvement of network security. This full-time position is based in Riyadh, Saudi Arabia, and focuses on securing enterprise, data center, and cloud environments. The role ensures network infrastructure is protected against cyber threats while maintaining high availability and performance of critical services.

Key Responsibilities

• Lead the Network Security function and provide technical and operational leadership to the team.
• Define and maintain network security architecture, standards, configurations, and operational procedures.
• Manage enterprise and data center security technologies, including firewalls, WAF, VPN, IDS/IPS, secure gateways, and network access controls.
• Design and enforce network segmentation and security zones across data center, cloud, Kubernetes, and enterprise environments.
• Review firewall rules, security policies, NAT configurations, VPN connectivity, and network access requests.
• Ensure secure connectivity between on-premises infrastructure, cloud platforms, partners, and customer environments.
• Collaborate with Network, Cloud, Infrastructure, Platform Engineering, SOC/Cybersecurity, and Architecture teams.
• Lead technical assessment and remediation of network security vulnerabilities and misconfigurations.
• Support incident response and perform technical investigation of network-related security incidents.
• Implement security monitoring, logging, alerting, and integration with SIEM/SOC platforms.
• Ensure network security controls comply with organizational policies and applicable cybersecurity requirements and standards.
• Conduct periodic reviews of firewall rules, privileged access, network segmentation, and security configurations.
• Evaluate new network security technologies and recommend improvements to the security architecture.
• Manage vendor relationships, support contracts, licensing, capacity, and technology lifecycle for network security solutions.
• Define and report operational KPIs covering security posture, availability, incidents, vulnerabilities, and remediation.
• Coach and develop network security engineers, ensuring appropriate knowledge transfer and documentation.

Required Experience and Competencies

Candidates should possess 5-10 years of relevant experience and demonstrate strong capabilities in the following areas:

• Strong technical leadership
• Security architecture and design
• Troubleshooting and root-cause analysis
• Incident management
• Risk-based decision making
• Stakeholder and vendor management
• Documentation and operational discipline
• Team leadership and development