Network Engineer

Role Description

A Network Engineer is responsible for designing, implementing, configuring, maintaining, monitoring, troubleshooting, and securing an organization's network infrastructure. The role ensures that wired and wireless networks, routers, switches, firewalls, VPNs, servers, cloud connectivity, and communication systems operate reliably, securely, and efficiently. The Network Engineer works closely with IT, cybersecurity, systems, cloud, infrastructure, vendors, and business teams to maintain network availability, resolve technical issues, improve performance, and support the organization's technology requirements.

Key Responsibilities

• Design, implement, configure, and maintain enterprise network infrastructure.
• Manage LAN, WAN, WLAN, VPN, internet, data-center, branch-office, and cloud network environments.
• Configure and maintain routers, switches, firewalls, wireless controllers, access points, load balancers, and other network devices.
• Develop network architecture, topology diagrams, IP addressing plans, VLAN structures, routing policies, and network documentation.
• Configure and manage routing protocols, switching technologies, VLANs, trunking, STP, DHCP, DNS, NAT, and other core networking services.
• Monitor network availability, performance, bandwidth utilization, latency, packet loss, connectivity, and overall infrastructure health.
• Troubleshoot network outages, connectivity problems, routing issues, configuration errors, hardware failures, and performance degradation.
• Respond to network incidents and service requests and restore network services within required service levels.
• Perform root-cause analysis for recurring network failures and implement long-term corrective actions.
• Configure and maintain firewalls, VPNs, access-control policies, network segmentation, and other network-security controls.
• Work closely with cybersecurity teams to identify vulnerabilities, security threats, unauthorized access, and suspicious network activity.
• Implement network security measures including segmentation, access controls, secure configurations, encryption, monitoring, and traffic filtering.
• Manage remote-access VPNs, site-to-site VPNs, secure tunnels, and other remote connectivity solutions.
• Configure and maintain wireless networks, including enterprise Wi-Fi, wireless access points, controllers, authentication, coverage, and performance optimization.
• Conduct wireless surveys and troubleshoot coverage, interference, authentication, and connectivity problems where required.
• Manage IP address allocation, subnetting, DHCP scopes, DNS configurations, and network addressing records.
• Maintain accurate network diagrams, device inventories, configuration backups, IP address records, and technical documentation.
• Perform network configuration changes, upgrades, migrations, and infrastructure expansions.
• Plan and execute network upgrades while minimizing downtime and operational disruption.
• Test new network equipment, technologies, configurations, and connectivity solutions before production deployment.
• Perform network capacity planning and recommend infrastructure upgrades based on business growth and performance requirements.
• Analyze network traffic and performance data to identify bottlenecks, capacity constraints, and optimization opportunities.
• Manage network monitoring and alerting systems and respond to performance and availability alerts.
• Maintain network device firmware, operating systems, patches, security updates, and configuration standards.
• Establish configuration-management and backup procedures for network infrastructure.
• Maintain secure and recoverable backups of network device configurations and critical infrastructure settings.
• Support data-center networking, server connectivity, storage networking, virtualization platforms, and infrastructure systems where applicable.
• Support cloud networking environments, including connectivity between on-premises infrastructure and platforms such as AWS, Microsoft Azure, or Google Cloud.
• Configure and maintain cloud networking components, virtual networks, routing, security groups, VPN connections, and hybrid connectivity where required.
• Support network integration during new office openings, infrastructure projects, system migrations, acquisitions, and technology deployments.
• Coordinate with IT support, system administrators, application teams, cybersecurity teams, cloud engineers, and project managers.
• Work with internet service providers, telecommunications providers, hardware vendors, software vendors, and external service providers.
• Manage vendor escalations and coordinate troubleshooting for carrier, connectivity, hardware, and service-related issues.
• Evaluate network equipment, technologies, service providers, and technical solutions according to business requirements.
• Assist with procurement activities by preparing technical specifications, equipment requirements, and vendor evaluations.
• Maintain network-related licenses, service contracts, support agreements, warranties, and maintenance records.
• Conduct network health checks, technical assessments, infrastructure reviews, and security configuration reviews.
• Participate in disaster-recovery and business-continuity planning for network infrastructure.
• Develop and test network redundancy, failover, backup connectivity, and recovery procedures.
• Participate in incident-response activities involving network security events, outages, and infrastructure failures.
• Maintain compliance with organizational IT policies, cybersecurity requirements, technical standards, and applicable regulations.
• Prepare network performance reports, incident reports, capacity reports, infrastructure assessments, and management presentations.
• Establish and monitor network KPIs including availability, latency, packet loss, bandwidth utilization, incident frequency, and resolution time.
• Implement automation to improve network configuration, monitoring, troubleshooting, reporting, and operational efficiency.
• Use network automation, scripting, APIs, Infrastructure as Code, configuration-management platforms, and orchestration tools where appropriate.
• Utilize AI-assisted network monitoring, anomaly detection, predictive maintenance, automated troubleshooting, and intelligent network optimization where appropriate.
• Maintain awareness of emerging technologies including SD-WAN, SASE, Zero Trust, network virtualization, cloud networking, Wi-Fi 6/7, network automation, and software-defined networking .
• Maintain confidentiality and security of network configurations, credentials, architecture information, security policies, and other sensitive IT information.
• Provide technical guidance and support to junior network engineers, IT support staff, and other technical teams.
• Create technical procedures, network standards, troubleshooting guides, and operational documentation.
• Participate in technology projects and provide network engineering expertise during planning, implementation, testing, and deployment.
• Perform other network engineering, infrastructure, cybersecurity, technical-support, and IT duties as assigned.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Computer Engineering, Network Engineering, Telecommunications , or a related field.
• Previous experience in network engineering, network administration, infrastructure engineering, or a similar technical role is preferred.
• Strong knowledge of TCP/IP networking, Ethernet, routing, switching, VLANs, subnetting, DHCP, DNS, NAT, VPN, and network troubleshooting.
• Experience configuring and managing enterprise routers, switches, firewalls, wireless systems, and network-management platforms.
• Strong understanding of network security principles, access controls, segmentation, VPN technologies, firewalls, and secure network architecture.
• Experience with network monitoring, performance analysis, incident management, configuration management, and infrastructure documentation.
• Familiarity with networking technologies and vendors such as Cisco, Juniper, Fortinet, Palo Alto Networks, Aruba, HPE , or equivalent platforms is advantageous.
• Relevant certifications such as CCNA, CCNP, JNCIA, JNCIS, Fortinet certifications, or equivalent networking qualifications are beneficial.
• Strong understanding of cloud networking and hybrid infrastructure is advantageous.
• Experience with AWS, Microsoft Azure, Google Cloud, SD-WAN, SASE, Zero Trust, network virtualization, or software-defined networking is beneficial.
• Knowledge of network automation, Python, PowerShell, APIs, Ansible, Terraform, or Infrastructure as Code is advantageous.
• Strong analytical, troubleshooting, problem-solving, and incident-management skills.
• Excellent attention to detail and ability to work accurately in complex technical environments.
• Strong written and verbal communication skills.
• Ability to communicate effectively with technical teams, management, vendors, service providers, and end users.
• Strong project-management, planning, documentation, and time-management skills.
• Ability to work independently and effectively within multidisciplinary IT and infrastructure teams.
• Ability to respond to network incidents, outages, and emergency infrastructure issues when required.
• Willingness to participate in after-hours maintenance, on-call support, scheduled upgrades, and emergency troubleshooting where required.
• Familiarity with network monitoring, logging, SIEM, NMS, performance-management, and observability platforms is beneficial.
• Knowledge of cybersecurity principles, vulnerability management, incident response, and security monitoring is advantageous.
• Familiarity with AI-assisted network operations, predictive analytics, automated configuration, and intelligent network-monitoring technologies is beneficial.
• Strong commitment to network reliability, cybersecurity, infrastructure performance, technical excellence, continuous improvement, and operational resilience .
• Reliable, analytical, proactive, technically competent, adaptable, and highly organized.