Network Security Engineer - Cisco ISE

Requisition Number: 72203 Are you a network security expert ready to architect and automate enterprise-wide access control solutions for one of the world's most innovative global technology companies? What Is Your Role? As a Network Security Engineer , you will be at the forefront of designing, deploying, and optimizing Network Access Control (NAC) solutions that keep Corning's global infrastructure secure and compliant. Working across both manufacturing and corporate environments, you will manage enterprisen scale Cisco ISE deployments, enforce secure access policies, and leverage automation and API integrations to drive scalable, infrastructure-as-code operations. This is a high visibility role where your technical expertise directly protects a global network spanning multiple industries, time zones, and cultures. Major Responsibilities: Design and manage enterprise NAC solutions administer Cisco ISE clusters, develop RADIUS and TACACS policies, and enforce secure access controls for users and devices across wired, wireless, and data networks. Drive automation and scalability by integrating Infrastructure as Code (IaC) practices using Python, Ansible, and API integrations to streamline NAC deployments and policy enforcement at enterprise scale. Ensure network reliability and compliance through proactive monitoring, certificate management, performance troubleshooting, root cause analysis, and documentation via ServiceNow. Lead and collaborate on network projects develop design documentation, implementation plans, and support new solution rollouts, upgrades, and cross-functional stakeholder communications. What Do You Need to Have? Bachelor's degree in a technology-related field or equivalent combination of education and hands-on experience Proven experience deploying and supporting Cisco ISE in large enterprise environments, including building rules, policies, and ISE solutions across diverse infrastructures (wired, wireless, and data networks) Hands on experience with automation and Infrastructure as Code (IaC) using Python, Ansible, and API integrations for NAC deployments and policy enforcement Strong knowledge of network infrastructure and application transport protocols, with the ability to create accurate network diagrams and design documentation Excellent verbal and written communication skills in English; ability to navigate cross-functional teams across geographies, time zones, and cultures Availability for after-hours on-call support, maintenance windows, and critical incident response Ability to travel up to 25%, including potential international destinations What We Offer Competitive compensation with company-wide bonuses and long term incentives tied to business results when Corning wins, we all win Comprehensive medical and dental coverage for salaried employees, plus company sponsored life insurance and total permanent disability protection Food coupons (vales de despensa) and a structured savings fund (fondo de ahorro) to support your daily and long-term financial well being Paid time off and access to our Employee Assistance Program (EAP) for you and your family Recognition program that celebrates exceptional individual and team contributions Exposure to cutting-edge global network infrastructure and automation technologies Equal opportunity employer committed to an inclusive and diverse workplace Corning is committed to providing equal employment opportunities and considers requests for reasonable accommodations in accordance with applicable laws. Individuals with disabilities or sincerely held religious beliefs may request reasonable accommodations to participate in the application or interview process, perform essential job functions, or access other benefits and privileges of employment. To submit a request for reasonable accommodation related to disability or religion, please contact us at . More About Us Corning is one of the world's leading innovators in glass, ceramic, and materials science pushing the boundaries of what's possible from the depths of the ocean to the farthest reaches of space. Our Optical Communications segment has evolved into a comprehensive provider of industry leading optical solutions, connecting businesses, governments, and individuals across carrier and enterprise networks worldwide. When you join Corning's Digital & IT organization, you become part of a global team where your expertise in network security directly enables the innovations that move the world forward. Come break through with us.