Senior Network Engineer

We are seeking an experienced Senior Network Engineer to join our Infrastructure and Network Operations team in Santa Clara, CA. The ideal candidate brings deep expertise in Cisco Identity Services Engine (ISE), Network Access Control (NAC), enterprise wireless networking, and advanced routing and switching technologies. This role leads network design, implementation, security, and support across large-scale enterprise environments while driving modernization and automation initiatives.

Design, deploy, and maintain Cisco ISE solutions for AAA (authentication, authorization, accounting)
Implement NAC policies including 802.1X, MAB, posture assessment, profiling, and guest access
Integrate Cisco ISE with Active Directory, PKI, MDM, and SIEM platforms
Troubleshoot complex authentication and authorization issues across wired and wireless networks
Design and optimize enterprise wireless networks using Cisco Catalyst and Wireless LAN Controllers
Configure WPA2/WPA3, RF optimization, roaming, QoS, and high-density wireless deployments
Design and support enterprise LAN/WAN infrastructure including Layer 2/3 technologies
Participate in incident response and root cause analysis for critical network outages
Evaluate emerging networking and security technologies and recommend improvements

• Cisco ISE
• Network Access Control (NAC)
• 802.1X
• MAB
• RADIUS
• TACACS+
• AAA
• Cisco Catalyst switching
• Routing protocols OSPF, BGP, EIGRP, Multicast
• Enterprise wireless technologies WPA2/WPA3, RF optimization, QoS
• Layer 2 technologies VLANs, STP, RSTP, MST, EtherChannel, HSRP, VRRP
• DHCP, DNS, TCP/IP
• Active Directory and certificate services integration

• CCNP Enterprise, CCNP Security, or CCIE
• Cisco DNA Center and Software Defined Access (SDA)
• Network automation: Python, Ansible, REST APIs, Terraform
• Cloud networking: Azure, AWS, Google Cloud
• Zero Trust and modern security architecture
• Network monitoring and analytics tools

Fully onsite in Santa Clara, CA - 5 days per week. Onsite interview is mandatory.

Long-term contract engagement. Candidates must be available to interview and work onsite in Santa Clara, CA.

For applications and inquiries, contact:View email address on us.fitly.work