L1 Network Administrator

Role Overview

We are seeking a Digital Network Administrator to support and maintain enterprise network infrastructure with a focus on Infoblox DDI (DNS, DHCP, IPAM), Cisco DNA Center (DNAC), Cisco Routing & Switching, and Cisco ISE. The ideal candidate will have hands-on experience in network administration, troubleshooting, and operational support within large enterprise environments.

Responsibilities

• Administer and support enterprise DNS, DHCP, and IP Address Management (IPAM) services using Infoblox.
• Monitor, maintain, and troubleshoot enterprise DDI infrastructure to ensure high availability and optimal performance.
• Support Cisco DNA Center (DNAC) for network assurance, monitoring, device provisioning, and automation.
• Configure, maintain, and troubleshoot Cisco Routing & Switching infrastructure, including LAN/WAN environments.
• Assist in administering Cisco Identity Services Engine (ISE) for network access control, authentication, and endpoint policy enforcement.
• Perform network diagnostics and resolve connectivity, DNS, DHCP, IPAM, and routing issues.
• Work closely with infrastructure, security, and operations teams to support enterprise networking initiatives.
• Participate in incident management, root cause analysis, and problem resolution for production issues.
• Create and maintain technical documentation, network diagrams, and operational procedures.
• Follow change management processes and implement network changes with minimal business impact.
• Support network upgrades, maintenance activities, and technology refresh projects.
• Ensure compliance with enterprise security standards and operational best practices.

Preferred Experience

• 3–6 years of experience supporting enterprise network environments.
• Hands-on experience with Infoblox DDI (DNS, DHCP, IPAM).
• Experience with Cisco DNA Center (DNAC).
• Good understanding of Cisco Routing & Switching.
• Exposure to Cisco ISE and enterprise authentication technologies.
• Experience with enterprise monitoring and troubleshooting tools.
• Strong analytical, communication, and problem-solving skills.