Senior Network & Security Administrator

Location: Abu Dhabi, UAE

Senior Network & Security Administrator

Key Responsibilities

• Design, implement, and maintain secure network infrastructures including LAN, WAN, WLAN, and VPN environments.
• Administer, configure, and optimize network devices such as firewalls, routers, switches, and security appliances.
• Monitor network performance and security events to ensure system reliability and protection.
• Conduct vulnerability assessments and implement remediation measures to strengthen security posture.
• Maintain and enforce network security policies, procedures, and technical documentation.
• Coordinate with vendors and service providers to resolve network outages and security incidents.
• Lead network upgrades, patching cycles, and firmware updates across infrastructure components.
• Manage user access control systems and ensure appropriate privilege management.
• Ensure compliance with cybersecurity standards and frameworks such as ISO 27001 and NIST.
• Investigate and respond to network and security incidents in a timely manner.
• Conduct disaster recovery (DR) drills and ensure network security systems are integrated with Business Continuity Plans (BCP).
• Provide technical leadership and mentoring to junior IT team members.

Qualifications & Experience

• Bachelor’s Degree in Computer Science, Information Technology, or a related field.
• 5-8 years of experience in network and security administration within a mid-to-large enterprise environment.
• Industry certifications such as CCNP, CCNA, Fortinet NSE, Palo Alto PCNSE, or equivalent are preferred.
• Hands-on experience with FortiAnalyzer, FortiManager, Cisco ASA, Palo Alto firewalls, and SIEM tools.
• Strong understanding of network architecture, cybersecurity frameworks, and incident response processes.
• Proven ability to manage complex infrastructure environments and lead technical initiatives.
• Fluent in English with strong technical communication skills.

Why Join Ali & Sons Holding LLC?

• Be part of a well-established and diversified UAE organization with advanced IT infrastructure.
• Work on enterprise-scale network and cybersecurity systems supporting multiple business units.
• Opportunity to contribute to security strategy, infrastructure modernization, and digital transformation initiatives.
• Collaborative environment that supports technical innovation and professional development.
• Long-term career growth within a reputable and stable business group.