Corning is one of the world’s leading innovators in glass, ceramic, and materials science. From the depths of the ocean to the farthest reaches of space, our technologies push the boundaries of what’s possible. With our people, we break through limitations and expectations— not once in a career, but every day. They help move our company and the world forward. At Corning, there are endless possibilities for making an impact. You can help connect the unconnected, drive the future of automobiles, transform at-home entertainment, and ensure the delivery of lifesaving medicines. Come break through with us. Our Optical Communications segment has recently evolved from being a manufacturer of optical fiber and cable, hardware and equipment to being a comprehensive provider of industry‑leading optical solutions across the broader communications industry. This segment is classified into two main product groupings – carrier network and enterprise network. Role Purpose The Senior Network Security Engineer will work on various aspects of network security, including proxy and firewall installation, policy creation, and operational maintenance. The engineer is responsible for assessing network security requirements and developing implementation plans for new solutions to secure the enterprise network from security threats and unauthorized access, through the competent assessment, monitoring, and management of network security appliances and applications. The Network Security Engineer possesses an expert knowledge of network design, technologies, systems, and protocols. Key Responsibilities Evaluate the network security requirements for existing, new, and emerging technologies Design, plan, install, and configure Palo Alto Networks firewalls and Zscaler product deployments (including Advanced Cloud Firewall, ZCC, ZIA, and ZPA services) Create and manage firewall and proxy URL filtering/Cloud App filtering rulesets Troubleshoot firewall and proxy traffic flows using knowledge, traffic logs, and packet captures Design, plan, and deploy Zero Trust and micro segmentation agents Design, plan, and install site‑to‑site and client VPNs Collaborate with cross‑functional teams to integrate perimeter and edge security services with existing infrastructure Maintain up‑to‑date knowledge of Zscaler products and services to recommend upgrades and enhancements Provide advanced troubleshooting support and critical incident response support Lead the technical efforts for migration and IT modernization projects Develop and implement vulnerability remediation solutions and harden network defenses Ensure the overall security of the enterprise network perimeter and isolated segments Generate network and traffic flow diagrams Competencies (knowledge, skills, and behaviors) Manage Self Functional/Technical Skills Culture Fit Experiences/Education – Required Minimum 5 years of firewall administration experience At least 2 years of experience managing, administrating, or deploying Zscaler Experiences/Education – Preferred Industry Network Certification (e.g., CCNP, CCNA) Industry Security Certification (e.g., Security+, CISM) Vendor‑specific experience (Zscaler ZIA/ZPA, Palo Alto Next Generation Firewall, Fortinet/Fortigate Firewall, Juniper Firewall) Shift Schedule This role requires availability for weekends and night shifts. Primary shift hours are at night. Benefits Corning offers a comprehensive total package to support your health, wellness, financial aspirations, and career from day one. Compensation and benefits include company‑wide bonuses and long‑term incentives aligned with business results, food coupons, a structured savings fund, medical and dental coverage, company‑sponsored life insurance, total permanent disability protection, paid time off, and an Employee Assistance Program to support you and your family. We also provide a pension plan that grows throughout your career and additional financial wellness programs. 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 #J-18808-Ljbffr