Network Operator: Cisco ISE, Umbrella, and Secure Access Specialist

6 days ago

Houston, United States VC5 Consulting Full time

Network Operator: Cisco ISE, Umbrella, and Secure Access Specialist (Route/Switch) Join our dynamic team as a Contract Network Engineer to lead a critical enterprise-wide security initiative. This is a high-impact, 3–6 month engagement focused on the end-to-end deployment of secure wired network access across a large-scale, multi-site environment. We are seeking a specialist who combines deep routing and switching fundamentals with extensive, hands-on experience in Cisco Network Access Control (NAC) to ensure a seamless and secure transition for all wired endpoints. Responsibilities Lead the full lifecycle of Cisco ISE wired NAC deployment, including design, build, piloting, and phased production rollout across all branch locations. Develop and standardize access switch configurations (IOS/IOS-XE), integrating key security features like 802.1X, MAB, and downloadable ACLs. Integrate the NAC solution with external identity sources, including Active Directory, Public Key Infrastructure (PKI), and AAA services (RADIUS/TACACS+). Required Qualifications 5+ years of professional experience in enterprise-level routing and switching technologies (e.g., OSPF, BGP, HSRP/VRRP, LACP). Demonstrable experience implementing Cisco ISE wired access control (802.1X/MAB/EAP-TLS) in a production environment of 500+ users. Strong practical knowledge of RADIUS/AAA, campus security controls (DHCP snooping, DAI), and endpoint onboarding troubleshooting. Proficiency in creating high-quality technical documentation, including Methods of Procedure (MOPs), runbooks, and rollback plans. This contract role offers the chance to drive a critical security upgrade, leveraging your expert-level skills in Cisco networking and NAC to secure a large enterprise infrastructure. Seniority level Mid-Senior level Employment type Contract Job function Information Technology Industries Staffing and Recruiting #J-18808-Ljbffr

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