Network Administrator

Key Responsibilities

• Manage, monitor, and support enterprise network infrastructure, including routers, switches, firewalls, wireless networks, VPNs, SD-WAN, and cloud network connectivity.
• Administer and troubleshoot core network services, including DNS, DHCP, IP addressing, VLANs, routing, NAT, VPN, and firewall policies.
• Support LAN, WAN, WLAN, and hybrid cloud network environments.
• Troubleshoot network performance, connectivity, latency, packet loss, routing, and application access issues.
• Maintain network diagrams, IP address documentation, device inventories, configuration standards, and operational procedures.
• Support network upgrades, migrations, hardware refreshes, and infrastructure modernization initiatives.
• Participate in change management processes and ensure network changes are properly reviewed, documented, and implemented.
• Support SD-WAN environments, including site connectivity, routing, policy management, failover, and performance monitoring.
• Aid with cloud network operations across Azure, AWS, or GCP environments.
• Support cloud networking components, including virtual networks/VPCs, subnets, routing tables, network security groups, cloud firewalls, private endpoints, site-to-site VPNs, and private connectivity solutions.
• Collaborate with infrastructure, cloud, and security teams to ensure reliable and secure connectivity between corporate locations, remote users, data centers, and cloud environments.
• Assist with cloud network troubleshooting, connectivity validation, and secure configuration reviews.

Cybersecurity & Secure Configuration

• Implement and maintain secure network configurations aligned with cybersecurity best practices and company standards.
• Support firewall rule reviews, network segmentation, least-privilege access, secure remote access, and Zero Trust initiatives.
• Aid with vulnerability remediation, network hardening, patching, configuration baselines, and audit support.
• Partner with Security teams to investigate network-related alerts, suspicious activity, and access issues.
• Ensure network devices are patched, backed up, monitored, and configured according to security and compliance requirements.
• Support compliance-related documentation and evidence gathering as needed.

Infrastructure as Code & Automation

• Assist with automation and standardization of network and cloud infrastructure processes.
• Support Infrastructure as Code practices where applicable, including the use of Terraform or similar tools.
• Help maintain reusable templates, scripts, and configuration standards for cloud and network resources.
• Identify opportunities to reduce manual configuration, improve consistency, and support repeatable deployment processes.
• Work with cloud and infrastructure teams to support IaC-based provisioning and configuration management.

Documentation & Process Management

• Create and maintain network diagrams, SOPs, runbooks, configuration standards, and troubleshooting guides.
• Document changes, incidents, root cause findings, and remediation steps.
• Help improve operational processes, monitoring, alerting, and support procedures.
• Collaborate with Infrastructure, Security, Service Desk, Cloud, and Application teams to resolve issues and support business needs.