Network Administrator

Astek; Saudi Arabia; On-site; SAR 180,000 - 300,000; Full time

Job summary

Astek in Saudi Arabia is seeking an experienced Network Administrator to lead design, implementation, and operation of secure, resilient networks. The role covers enterprise switches/routers, Cisco ISE, F5 LTM/WAF/APM, and cloud connectivity with Azure and GCP.

You will coordinate with cybersecurity teams, manage VPNs, and ensure high availability and regulatory compliance. Join a dynamic team to optimize network performance, implement robust security policies, and support evolving cloud

Qualifications

• Bachelor's degree in CS/IT/Network Eng or related field.
• 5–8 years in network engineering or senior operations.
• Extensive experience with enterprise switches/routers.
• Hands-on with Cisco ISE and network access control.
• Strong firewall administration and security policy knowledge.
• Experience with F5 LTM, WAF, and APM.
• Strong knowledge of OSPF and BGP routing protocols.
• VPN technologies experience.
• Excellent wireless networking troubleshooting skills.
• Cloud networking exposure (Azure and/or GCP).

Responsibilities

• Design, implement, configure, and maintain enterprise network infrastructure.
• Manage and optimize routing protocols for reliable performance.
• Administer Cisco ISE with access policies and device compliance.
• Configure F5 LTM, WAF, and APM for availability and security.
• Manage firewall environments with policy configuration and troubleshooting.
• Design, maintain, and troubleshoot wireless networks.
• Support VPN solutions and secure remote access.
• Collaborate on cloud connectivity with Azure and GCP.
• Collaborate with cybersecurity teams and stakeholders.
• Monitor performance and support regulatory compliance and SLAs.

Skills

Network design

OSPF & BGP

Cisco ISE

F5 LTM/WAF

Firewall policy

Wireless networking

VPN technologies

Cloud networking

Stakeholder mgmt

Documentation

Education

Bachelor's degree in CS/IT/Network Eng

Tools

Cisco ISE

F5 LTM/WAF/APM

Azure

GCP

Job description

For one of our clients, we are looking for an experienced Network Administrator to lead the design, implementation, and operation of secure, resilient, and high-performing network environments.

Key Responsibilities

• Design, implement, configure, and maintain enterprise network infrastructure, including switches, routers, Cisco ACI, and related technologies.
• Manage and optimize routing protocols such as OSPF and BGP to support reliable and efficient network performance.
• Administer Cisco Identity Services Engine (ISE), including access policies, authentication, device compliance, and network access controls.
• Configure and manage F5 technologies, including LTM, WAF, and APM, supporting application availability, secure access, load balancing, and authentication policies.
• Manage enterprise firewall environments, including policy configuration, monitoring, security reviews, upgrades, and troubleshooting.
• Design, maintain, and troubleshoot wireless networks to ensure reliable connectivity and service performance.
• Support VPN solutions and secure remote access, ensuring appropriate performance, availability, and security.
• Contribute to network architecture and connectivity across cloud platforms such as Microsoft Azure and Google Cloud Platform.
• Collaborate with cybersecurity teams, technology stakeholders, suppliers, and external partners on network and infrastructure initiatives.
• Monitor service performance and contribute to high availability, operational resilience, regulatory compliance, and agreed service-level targets.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related discipline.
• 5–8 years of experience in network engineering, network operations, or a similar senior-level position.
• Strong experience managing enterprise switches, routers, and network infrastructure.
• Practical expertise with Cisco ISE and network access control solutions.
• Strong knowledge of firewall administration and security policy management.
• Experience with F5 LTM, WAF, and APM.
• Solid understanding of routing protocols, particularly OSPF and BGP.
• Experience configuring and supporting VPN technologies.
• Strong knowledge of wireless networking and troubleshooting.
• Exposure to networking in cloud environments, particularly Azure and/or GCP.
• Ability to diagnose complex network issues and deliver practical, sustainable solutions.
• Strong communication, collaboration, documentation, and stakeholder-management skills.

Preferred Certifications

• CCNP or a higher-level Cisco certification
• Relevant certifications in F5 technologies, Cisco ISE, firewall platforms, cloud networking, or wireless infrastructure are advantageous.