**Date:** Dec 16, 2025 **Location:** Obispado, NLE, MX, 64060 **Company:** Corning Requisition Number: 72203 **The company built on innovation.** **Join us.** Corning is one of the world’s leading innovators in glass, ceramics, and materials science. From the depths of the ocean to the far reaches of space, our technologies push the boundaries of what’s possible. How do we do it? Through our people. They break through limitations and expectations—not just once in their careers, but every single day. They help advance our company—and the world. At Corning, there are infinite possibilities to make an impact. You can help connect the unconnected, drive the future of automobiles, transform home entertainment, and ensure delivery of life-saving medicines—and much more. Come break barriers with us. Our Optical Communications segment has recently evolved from being a manufacturer of optical fiber and cable, hardware, and equipment into an industry-leading, end-to-end optical solutions provider spanning the broader communications industry. This segment is divided into two primary product groups: Carrier Network and Enterprise Network. The Carrier Network product group consists primarily of products and solutions for optical fiber communication infrastructures supporting video, data, and voice services. The Enterprise Network product group consists primarily of optical fiber communication networks targeted at businesses, governments, and individuals for private use. Title: Network Security Engineer Location: Monterey (Mexico) Job Code: B14C30 Dept. \#: IT GNS – Global Network Services Hiring Manager: Peter Healy HR Manager: Kourtney Hamrick SCOPE/PURPOSE OF POSITION: We are seeking an experienced and highly skilled Network Engineer to join our team. In this position, you will be at the forefront of designing, implementing, and optimizing innovative network solutions supporting Corning’s businesses globally. This role requires solid experience with network technologies and network authentication, a proactive mindset and a strong focus on supporting reliable and secure global network. As a Network Engineer, you will support the design, deployment, and maintenance of enterprise\-wide Network Access Control solutions. You will work with platforms such as Cisco ISE to enforce secure access policies, integrate with authentication systems, and ensure compliance across diverse environments. Strong experience with automation and API integration is required to support scalable, Infrastructure as Code (IaC)\-driven operations. Familiarity with OT or manufacturing environments is a plus. ROLES AND RESPONSIBILITIES: • Manage and administer ISE clusters to include design, implementation, and maintenance activities. • Develop, implement, and support Network Access Controls (NAC) policies for user and device authorization to align with security compliance requirements. • Development of RADIUS policies for dynamic assignment of VLANs to associated devices or users as required. • Develop and support RADIUS wireless policies for user/device authentication. • Support TACACS device manager service for management of enterprise-grade devices. • Work with other network technologies as needed. • Maintain and update system certificates associated with ISE authentication processes. • Troubleshoot ISE performance and end-user authentication issues. • Develop network design, documentation, and implementation plans for assigned projects. • Perform proactive management and auditing of network, including event logs as needed. • Document work via ServiceNow ticket system. • Participate in after-hours on\-call, network maintenance windows and critical response activities. • Assist with implementation of new solutions, or upgrades to existing solutions, including communications, preparation of documentation and training. • Participate in root cause analysis on incidents, helping to drive identification of preventative actions meant to ensure problems don’t recur, and delivering on the tasks within those actions. EDUCATION REQUIREMENTS 4\-year degree or equivalent combination of education and experience WORK EXPERIENCE • Experience in the deployment and support of Cisco ISE environments in support of wired/wireless/data network functions/tools/processes in a large enterprise environment. • Experience supporting large, complex enterprise network systems. • Experience aligning infrastructure requirements with working in both manufacturing and office environments. REQUIRED SKILLS • Fluent in English, with excellent verbal and written communication skills • Experience as a Cisco ISE Engineer creating design documentation, building ISE rules and policies, implementing ISE solutions across a variety of environments, and serving as a subject matter expert. • Hands\-on experience with automation, Infrastructure as Code (IaC), and API integrations, using tools such as Python and Ansible to streamline NAC deployments and policy enforcement. • Experience as a systems or infrastructure engineer, working directly with wired and wireless network technologies on an enterprise scale. • Demonstrated initiative, flexibility, and ability to adapt to changing priorities and work environments. • Proven ability to build and facilitate relationships at all levels of the organization, both internally and externally. • Knowledge of application transport and network infrastructure protocols. • Ability to create accurate network diagrams and documentation for design and planning of network communication systems. • Excellent communication, interpersonal, and influencing skills. • Demonstrated track record of on-time delivery within budget; ability to drive projects to successful conclusion using influencing tools. • Successfully navigate within teams across multiple initiatives, spanning various lines of business, geographic borders, time zones, and cultures. • Will be required to be available for after\-hours support and participate in an on\-call rotation. DESIRED SKILLS • Certified Information Systems Security Professional (CISSP) • Network certifications such as: Cisco Certified Network Professional (CCNP) or Cisco Certified Design Professional (CCDP) certification • Knowledge of traffic analysis and performance, and network capacity/tools experience • Experience with multi\-vendor network environments including Juniper Mist, Arista and others to ensure consistent policy enforcement across diverse infrastructure • Understanding of Agile methodologies and ability to work in Agile\-driven environments TRAVEL • Potential travel of up to 25%, which may include international destinations. During critical projects may be higher. A job that transforms a life. Corning offers you a comprehensive package. * Your well-being is our priority. Our compensation and benefits package supports your health and well-being, your financial aspirations, and your career—starting from day one. * Company-wide bonuses and long-term incentives align with key business results and ensure you’re rewarded when the company succeeds. When Corning wins, we all win. * As part of our commitment to your financial well-being—and in addition to all legally mandated benefits in Mexico—we offer grocery vouchers to ease daily expenses and a structured savings fund to support your long-term financial goals. * Salaried employees are eligible for comprehensive medical and dental coverage. Additionally, all employees receive company-sponsored life insurance, total permanent disability protection, paid time off, and access to our Employee Assistance Program (EAP) to support you and your family. * Being paid for our work is important—but feeling appreciated and recognized for those contributions motivates us even more. That’s why Corning offers a recognition program to celebrate successes and reward colleagues who deliver exceptional contributions. We will ensure reasonable accommodations are provided to individuals with disabilities to participate in the job application or interview process, perform essential job functions, and receive other employment-related benefits and privileges. To request an accommodation, please contact us at accommodations@corning.com.