Network Administrator

About the Job

• We

are looking for a skilled and proactive Network Administrator to join our

IT infrastructure team. The successful candidate will be responsible for

managing, maintaining, and optimizing enterprise network environments,

ensuring high availability, security, and operational continuity across

the organization. The role requires strong technical expertise in routing,

switching, network security, troubleshooting, and enterprise network

operations.

Key Responsibilities

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.

Required Qualifications

• 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.