Network Engineer

Job Description
Skills and Knowledge
Network & Infrastructure
Configure, manage, and troubleshoot LAN, WAN, VLANs, switches, routers, and wireless networks.
Monitor connectivity, bandwidth, latency, and network performance; investigate outages and recurring issues.
Support IP addressing, subnetting, DHCP, DNS, routing, switching, and NAT.
Maintain primary and backup internet links and coordinate with ISPs for service incidents.
Maintain network diagrams, IP address records, device inventories, and configuration backups.
Assist with network upgrades, device installations, planned maintenance, and change implementation.
Firewall & Network Security
Administer firewall rules, access policies, NAT, traffic logs, and connectivity troubleshooting.
Support SSL/IPsec VPN for remote users and site-to-site connectivity.
Investigate blocked traffic and suspicious network events; escalate security incidents as required.
Implement access restrictions and assist with VLAN-based segmentation and guest network controls.
Support firmware upgrades, configuration backups, and approved firewall changes.
Day-to-Day IT Support
Resolve employee issues involving LAN, Wi-Fi, internet, VPN, DNS, printers, shared folders, and network resources.
Troubleshoot IP conflicts, DHCP failures, DNS resolution, packet loss, and slow network performance.
Provide first-level support for Windows endpoint connectivity, application access, and user permissions.
Support onboarding/offboarding by provisioning or revoking approved network access.
Log and update service tickets, prioritize incidents, meet SLAs, and escalate complex issues to senior engineers or vendors.
Monitoring, Maintenance & Documentation
Perform routine health checks on network devices, firewalls, internet links, and critical connectivity services.
Support server connectivity, Active Directory, DNS, DHCP, and file-sharing troubleshooting.
Assist with patching, firmware upgrades, preventive maintenance, and business continuity/DR testing.
Document incidents, root causes, corrective actions, configuration changes, and maintenance activities.
Prepare daily support updates and periodic infrastructure health reports; coordinate vendor and warranty support.
Required Technical Skills
Networking: TCP/IP, OSI model, IPv4, subnetting, VLANs, LAN/WAN, routing, switching, and NAT.
Services: DNS, DHCP, IP address management, and basic Active Directory / Windows Server concepts.
Security: Firewall policy administration, SSL/IPsec VPN, access controls, and traffic-log analysis.
Wireless: Access points, SSIDs, guest Wi-Fi, and wireless troubleshooting.
Tools: Ping, Traceroute, Nslookup, Ipconfig, Wireshark, and basic packet analysis.
Systems & monitoring: Windows 10/11, basic Linux troubleshooting, network monitoring, and log analysis.
Network Engineer | Job Description Page 2
Support: Ticketing systems, remote support tools, endpoint connectivity, and user assistance.
Preferred Skills
Hands-on experience with Sophos, Fortinet, Cisco, or comparable networking/firewall solutions.
Experience with managed switches, VLAN configuration, and network access control.
Basic familiarity with EDR/XDR, SIEM, endpoint security, Google Workspace, or Microsoft 365.
Understanding of ITIL, incident management, and change management; CCNA or Network+ is an advantage.
Qualifications & Experience
Bachelor’s degree or diploma in Computer Science, IT, Electronics, or a related discipline.
2–4 years of hands-on experience in network administration and IT infrastructure support.
Strong troubleshooting, analytical, communication, and customer-service skills.
Ability to prioritize multiple requests and support planned after-hours maintenance when required.
Key Performance Indicators (KPIs)
Timely resolution of network and end-user connectivity incidents.
Availability of critical network and internet connectivity services.
Compliance with ticket response and resolution SLAs.
Accuracy of network documentation and configuration records.
Completion of scheduled health checks and preventive maintenance.
Timely escalation and documentation of recurring or critical incidents.
Adherence to IT security and access-management policies.
Candidate Profile
A hands-on, service-oriented, and security-conscious engineer who can manage daily network
operations, support employees professionally, identify root causes, and coordinate effectively with internal teams, ISPs, and
technology vendors.

Work arrangement
No