Senior System & Network Administrator

Not Interested
Bookmark
Report This Job

profile Job Location:

Dubai - UAE

profile Monthly Salary: Not Disclosed
Posted on: 2 hours ago
Vacancies: 1 Vacancy

Job Summary

General Overview:

We are looking for a highly skilled and proactive Senior System & Network Administrator for our client a reputable organization in the UAE. The ideal candidate must bring strong hands-on expertise in managing complex IT infrastructures advanced network environments cybersecurity tools and enterprise-level systems.

This role focuses heavily on network administration firewall management system security server infrastructure and high-availability environments. You will play a critical part in ensuring the stability resilience and security of the organizations IT landscape.

Key Responsibilities:

Network & Infrastructure Management
  • Design manage and optimize core IT network infrastructure including LAN/WAN VLAN segmentation Wi-Fi networks routing and switching.
  • Configure administer and troubleshoot SonicWall firewalls (SSL & Site-to-Site VPNs NAT content filtering IPS/IDS).
  • Perform network security hardening performance tuning firmware upgrades and real-time monitoring of traffic and devices.
  • Implement test and maintain backup failover and disaster recovery strategies to ensure business continuity.
  • Maintain comprehensive network documentation including IP addressing topology diagrams and configuration records.
System Administration & Security
  • Administer and support Windows Server environments (AD DNS DHCP GPO file services).
  • Manage NAS storage systems ensuring optimized performance high availability and secure access.
  • Oversee endpoint protection through Trend Micro Apex One ensuring robust malware defense policy enforcement and compliance.
  • Monitor analyze and enhance system and network security proactively identifying risks and vulnerabilities.
Support & IT Operations
  • Provide advanced (Level 2/3) technical support for system network and security-related issues.
  • Handle service requests and incidents through an IT ticketing system ensuring SLA compliance.
  • Conduct IT asset management including hardware lifecycle software licenses and inventory control.
  • Collaborate with vendors service providers and cross-functional teams for IT upgrades deployments and projects.
  • Lead and participate in infrastructure enhancement initiatives assigned by management.
Key Requirements:
  • Bachelors degree in computer science Information Technology or a related field.
  • 46 years of strong hands-on experience in system and network administration within enterprise environments.
  • Deep expertise in:
  • SonicWall firewalls & VPN technologies (SSL & Site-to-Site)
  • Windows Server administration & domain services
  • NAS storage systems and data access controls
  • Trend Micro Apex One and Email Gateway security
  • Networking protocols: TCP/IP VLANs DNS DHCP routing switching
  • IT support operations and ticketing systems
  • Preferred certifications: CCNA Network MCSA Security or equivalent industry credentials.
Key Competencies:
  • Strong problem-solving and analytical abilities with a security-first mindset.
  • Excellent communication and stakeholder management skills.
  • Ability to work independently manage priorities and perform under pressure.
  • Proactive detail-oriented and committed to maintaining high system availability and security standards.
Desirable Skills:
  • Knowledge of ITIL framework and service desk operations.
  • Experience with scripting/automation (PowerShell Bash).
  • Exposure to Microsoft 365 Azure or cloud infrastructure solutions.

General Overview:We are looking for a highly skilled and proactive Senior System & Network Administrator for our client a reputable organization in the UAE. The ideal candidate must bring strong hands-on expertise in managing complex IT infrastructures advanced network environments cybersecurity too...
View more view more

Company Industry

IT Services and IT Consulting

Key Skills

  • Network security
  • Active Directory
  • Customer Service
  • LAN
  • Routers
  • Windows
  • Infrastructure
  • Linux
  • Internet
  • Troubleshoot
  • PC
  • Backup
  • Setup
  • hardware
  • Technical Support