Network Infrastructure Management

• Design, implement, and maintain enterprise network infrastructure (LAN/WAN/WLAN). 
• Configure and manage network devices including routers, switches, and wireless systems. 
• Ensure network availability, scalability, and performance optimization. 

Routing & Switching

• Configure and troubleshoot Layer 2 and Layer 3 technologies including VLAN, STP, OSPF, BGP, and static routing. 
• Manage inter-VLAN routing, traffic engineering, and network segmentation. 
• Perform routing optimization and redundancy implementation. 

Network Security

• Configure and maintain firewall solutions such as Palo Alto, FortiGate, Cisco ASA, or equivalent. 
• Implement and manage VPN solutions including IPSec and SSL VPN. 
• Apply network security best practices aligned with ISO 27001 and NIST standards. 
• Manage ACLs, NAT, DMZ environments, and secure remote connectivity solutions. 

Network Monitoring & Performance

• Monitor network performance using tools such as PRTG, Zabbix, and SolarWinds. 
• Perform traffic analysis, bandwidth monitoring, and capacity planning. 
• Identify and resolve network bottlenecks and performance issues. 

High Availability & Redundancy

• Design and implement high availability network architectures including HSRP, VRRP, failover, and load balancing technologies. 
• Ensure business continuity and infrastructure resilience. 

Wireless Infrastructure

• Configure and manage enterprise wireless solutions including Ubiquiti, Cisco, and Aruba platforms. 
• Optimize Wi-Fi coverage, security, and performance using WPA2/WPA3 standards. 

Incident & Problem Management

• Troubleshoot complex network issues within production environments. 
• Perform root cause analysis (RCA) and implement preventive solutions. 
• Support incident management processes aligned with ITIL practices. 

Documentation & Governance

• Maintain updated network diagrams, IP addressing plans, SOPs, and configuration backups. 
• Participate in change management and infrastructure standardization processes. 
• Prepare technical reports and provide regular operational updates to management. 

• Bachelor’s degree in Information Technology, Network Engineering, Computer Science, or related field. 
• Minimum 4+ years of experience in enterprise network administration. 
• Practical experience troubleshooting production network environments. 
• Familiarity with ISO 27001 / NIST security frameworks. 

Strong hands-on experience with: 

• Routing & Switching technologies 
• Firewall administration (Palo Alto, FortiGate,) 
• VPN technologies (IPSec, SSL VPN) 
• Enterprise wireless infrastructure 

Solid understanding of: 

• TCP/IP, VLAN, STP, OSPF, BGP 
• Network security principles and segmentation 
• NAT, ACL, DMZ architectures 

Experience with: 

• Network monitoring tools (PRTG, Zabbix, SolarWinds) 
• High availability and redundancy solutions 
• Performance optimization and traffic analysis 

Preferred Qualifications

• Certifications such as CCNA, CCNP, NSE, PCNSA, or equivalent. 
• Experience with SD-WAN technologies. 
• Familiarity with NAC and Zero Trust architecture. 

Soft Skills

• Strong analytical and troubleshooting skills. 
• Ability to work under pressure and manage critical incidents. 
• Effective communication and teamwork abilities. 
• Proactive, detail-oriented, and solution-oriented mindset. 
• Strong organizational and documentation skills. 

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