Senior Network Security Engineer
Listed on 2026-01-03
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Engineering
Cybersecurity, Systems Engineer -
IT/Tech
Cybersecurity, Systems Engineer
The company built on breakthroughs.
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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.
How do we do this? With our people. They 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. And so much more.
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. The carrier network product group consists primarily of products and solutions for optical-based communications infrastructure for services such as video, data and voice communications.
The enterprise network product group consists primarily of optical-based communication networks sold to businesses, governments and individuals for their own use.
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 the 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.
- 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
- Minimum 5 years of firewall administration experience
- At least 2 years of experience managing, administrating, or deploying Zscaler
- This role requires availability for weekends and night shifts. Primary shift hours are at night.
- 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)
A job that shapes a life.
Corning offers you the total package.
Your well-being is our priority. Our compensation and benefits package supports your health and wellness, financial aspirations, and career from day one.
Company-wide bonuses and long-term incentives align with key business results and ensure you are rewarded when the company performs well. When Corning wins, we all win.
As part of our commitment to your financial well-being and in addition to full Mexico…
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