CISCO ISE LEAD with Network Access Control

InfiCare Staffing; Santa Clara (CA); On-site; USD 140,000 - 180,000; Full time

Job summary

A Senior Network Engineer in Santa Clara, CA will design, implement, secure, and support large-scale enterprise networks, focusing on Cisco ISE, NAC, wireless, routing and switching. You will drive modernization and automation initiatives across the infrastructure and operations teams.

You will lead NAC and security policy design, deploy ISE solutions, manage wireless deployments, and optimize routing and switching with Cisco Catalyst and WLCs.

Qualifications

• Bachelor’s degree or equivalent experience required.
• 8+ years enterprise network engineering experience.
• 5+ years hands-on Cisco ISE/NAC deployments.
• Strong expertise with Cisco Catalyst switching and routing.

Responsibilities

• Design, deploy, and maintain enterprise network infrastructure.
• Lead NAC policies and security configurations with Cisco ISE.
• Design, implement, and optimize wireless networks.
• Configure and troubleshoot routing/switching and network services.
• Collaborate with security, systems, and cloud teams to support initiatives.

Skills

Network engineering

Troubleshooting

Team collaboration

Project coordination

Education

Bachelor’s degree in Computer Science/IT/Engineering

Tools

Cisco ISE

Catalyst Switches

Wireless LAN Controllers

Active Directory

802.1X

Job description

Mode of Interview-Onsite Interview Mandatory

We are seeking an experienced Senior Network Engineer to join our Infrastructure and Network Operations team in Santa Clara, California. The ideal candidate will possess deep expertise in Cisco Identity Services Engine (ISE), Network Access Control (NAC), enterprise wireless networking, and advanced routing and switching technologies. This role will be responsible for designing, implementing, securing, and supporting large-scale enterprise network environments while driving network modernization and automation initiatives.

Key Responsibilities

Network Access Control & Security

• Design, deploy, and maintain Cisco ISE solutions for authentication, authorization, and accounting (AAA).
• Implement and support NAC policies utilizing 802.1X, MAB, posture assessment, profiling, and guest access services.
• Integrate Cisco ISE with Active Directory, PKI, MDM, SIEM, and other security platforms.
• Troubleshoot complex authentication and authorization issues across wired and wireless networks.
• Develop security policies and access controls to ensure compliance with organizational standards.

Wireless Networking

• Design, implement, and optimize enterprise wireless networks using Cisco Catalyst and Cisco Wireless LAN Controllers.
• Configure and troubleshoot wireless technologies including WPA2/WPA3, RF optimization, roaming, QoS, and high-density deployments.
• Conduct wireless surveys, capacity planning, and performance tuning.
• Support secure wireless onboarding and policy enforcement through Cisco ISE.

Routing & Switching

• Design, implement, and support enterprise LAN/WAN infrastructure.
• Configure and troubleshoot Cisco Catalyst switches and routing platforms.
• Manage Layer 2 and Layer 3 technologies including:
  • VLANs
  • STP/RSTP/MST
  • EtherChannel
  • HSRP/VRRP
  • OSPF
  • BGP
  • EIGRP
• Perform network performance analysis, capacity planning, and optimization.

Operations & Engineering

• Lead network infrastructure projects from design through deployment.
• Create and maintain network architecture diagrams, operational procedures, and technical documentation.
• Participate in incident response and root cause analysis for critical network outages.
• Collaborate with security, systems, cloud, and application teams to support business initiatives.
• Evaluate emerging networking and security technologies and recommend improvements.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent experience.
• 8+ years of enterprise network engineering experience.
• 5+ years of hands-on experience with Cisco ISE and NAC deployments.
• Strong expertise in Cisco Catalyst switching and routing platforms.
• Extensive experience with enterprise wireless technologies.
• Deep understanding of:
  • 802.1X
  • TACACS+
  • AAA services
  • DHCP
  • DNS
  • TCP/IP
• Experience integrating ISE with Active Directory and certificate services.
• Strong troubleshooting and analytical skills.
• Excellent verbal and written communication skills.