Position Summary

We are seeking an experienced Network Administrator II to join our IT Infrastructure team. In this mid-level role, you will be responsible for designing, implementing, managing, and troubleshooting enterprise network systems with a primary focus on the Cisco ecosystem. You will work closely with senior engineers and cross-functional teams to ensure network reliability, performance, and security across the organization.

Key Responsibilities

Network Operations & Administration

• Configure, maintain, and monitor Cisco routers, switches, and firewalls (IOS, IOS-XE, NX-OS)
• Manage LAN/WAN infrastructure, including VLANs, STP, OSPF, EIGRP, and BGP routing protocols
• Administer Cisco Catalyst and Nexus switching environments
• Monitor network performance using tools such as Cisco DNA Center, SolarWinds, or PRTG
• Perform routine network maintenance, firmware upgrades, and patch management

Security & Compliance

• Manage Cisco ASA and Firepower (FTD) firewalls, access control lists (ACLs), and VPN configurations
• Implement and enforce network security policies in alignment with organizational standards
• Support network access control (NAC) using Cisco ISE
• Assist with security audits, vulnerability assessments, and remediation efforts

Wireless & Collaboration

• Administer Cisco Wireless LAN Controllers (WLC) and access points (Catalyst/Aironet series)
• Troubleshoot wireless connectivity issues and optimize RF coverage
• Support Cisco Unified Communications and collaboration tools as needed

Incident & Change Management

• Respond to network incidents and outages, providing timely resolution and root cause analysis
• Participate in on-call rotation for after-hours support
• Document network changes, configurations, and procedures in accordance with ITIL practices
• Collaborate with the helpdesk and IT teams to resolve escalated network issues

Projects & Continuous Improvement

• Participate in network design reviews and infrastructure upgrade projects
• Evaluate and recommend new technologies to improve network performance and resilience
• Mentor junior network staff and contribute to knowledge-sharing initiatives

Qualifications

Required

• 3–5 years of hands-on experience in network administration
• Proficiency with Cisco IOS/IOS-XE/NX-OS command-line configuration
• Strong working knowledge of routing protocols: OSPF, EIGRP, BGP
• Experience with Cisco ASA or Firepower firewall management
• Solid understanding of TCP/IP, DNS, DHCP, QoS, and network fundamentals
• Familiarity with network monitoring and management tools
• Ability to read and interpret network diagrams and documentation

Preferred

• Cisco Certified Network Professional (CCNP)
• Cisco Certified Network Associate (CCNA)
• Experience with Cisco SD-WAN (Viptela) or Cisco DNA Center
• Familiarity with Cisco ISE for network access control
• Exposure to cloud networking (AWS, Azure) and hybrid environments
• Experience with automation tools such as Ansible, Python, or Cisco DevNet APIs
• ITIL Foundation certification