Requisition Number: 79556

The company built on breakthroughs. ​  
Join us.​          

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.  

Corning’s businesses are ever-evolving to best serve our customers, industries, and consumers. Today, we accelerate and transform life sciences, mobile consumer electronics, optical communications, display, automotive, and solar markets. We are changing the world with: 

• Trusted products that accelerate drug discovery, development, and delivery to save lives
• Damage-resistant cover glass to enhance the devices that keep us connected
• Optical fiber, wireless technologies, and connectivity solutions to carry information and ideas at the speed of light
• Precision glass for advanced displays to deliver richer experiences 
• Auto glass and ceramics to drive cleaner, safer, and smarter transportation 
• Solar polysilicon, wafers, and innovative photovoltaic modules, enabling low-cost solar energy solutions

For our locations in Budapest, Hungary, or Strykow, Poland, we are looking for a

Position Summary

The Staff Engineer, Network is responsible for providing global operational support for enterprise voice, collaboration, contact center, emergency calling, network, wireless, access control, DDI, and IT service management capabilities. This role places primary emphasis on voice services while requiring sufficient breadth across Global Network Services to support service restoration, request fulfillment, approved changes, data accuracy, and stakeholder coordination.

The position works closely with engineering teams, information security, site IT, managed service providers, telecommunications carriers, vendors, and business stakeholders to maintain reliable services, improve operational performance, and support modernization initiatives.

Essential Duties and Responsibilities

1. Voice, Collaboration, Contact Center and Emergency Services

• Provide Level I/II operational support, administration, troubleshooting, escalation, and request fulfillment for enterprise telephony, unified communications, contact center, voicemail, softphone, conferencing, CUCM, Unity, CER/E911, SIP services, session border controllers, gateways, carrier trunks, endpoints, call routing, dial plans, numbers, hunt groups, and related collaboration services.
• Maintain accurate E911 records, voice documentation, number inventories, runbooks, operating procedures, vendor escalation paths, and audit-ready service data. Support POTS replacement, cloud voice adoption, Teams calling integration, contact-center optimization, and voice service automation as assigned.

2. LAN, WAN and SD-WAN Operations

• Monitor, troubleshoot, and support enterprise LAN, WAN, and SD-WAN services, including switching, routing, VLANs, QoS, internet connectivity, carrier circuits, redundancy, hardware health, utilization, latency, packet loss, and service availability. Execute approved recovery procedures and escalate complex issues as appropriate.
• Support technology commissioning, refresh, lifecycle management, decommissioning, console access, smart-hands coordination, installation validation, testing, and planned maintenance activities while maintaining accurate asset and configuration records.

3. Wireless Services

• Monitor and troubleshoot enterprise wireless services, including access points, controllers or cloud-managed platforms, authentication, roaming, coverage, capacity, RF interference, client connectivity, cabling, power, and upstream network dependencies.

4. Network Access Control and Segmentation

• Provide operational support for network access control and segmentation services, including 802.1X, MAB, certificates, profiling, guest/BYOD access, policy assignment, authorization, quarantine, Cisco ISE or equivalent platforms, and manufacturing, IoT, or OT access requirements.

5. DDI and Foundational Network Services

• Provide operational support for DNS, DHCP, IPAM, Infoblox or equivalent DDI platforms, address allocation, scopes, leases, reservations, zones, subnets, name-resolution troubleshooting, NTP, certificates, directory dependencies, and integrations with automation, access control, ITSM, monitoring, and security workflows.

6. Service Management, Reliability and Continuous Improvement

• Follow established ServiceNow and ITIL practices for incident, major incident, request, change, problem, knowledge, configuration, asset, event, vendor, and service-level management. Own assigned work through investigation, communication, resolution, validation, documentation, and closure.
• Participate in on-call and major-incident response activities as required. Coordinate technical teams and vendors, document impact, evidence, ownership, and follow-up actions, support root-cause analysis, maintain knowledge articles and runbooks, and contribute to reporting on availability, SLAs, risk, lifecycle, compliance, and service improvement opportunities.

Required Knowledge, Skills, and Abilities

The role requires the following core capabilities:

• Strong practical knowledge of enterprise voice and collaboration services, including VoIP, SIP, call routing, dial plans, telephony endpoints, contact center, carrier services, and structured troubleshooting.
• Working knowledge of enterprise network services, including TCP/IP, VLANs, switching, routing, QoS, WAN connectivity, SD-WAN, wireless, network access control, DNS, DHCP, and IP address management.
• Strong analytical troubleshooting skills and the ability to interpret diagrams, call flows, logs, alarms, and performance data.
• Demonstrated operational discipline in incident, request, change, problem, knowledge, configuration, asset, vendor, service-level, and major-incident management processes.
• Clear written and verbal communication in English, strong attention to detail, ownership, follow-through, and the ability to work independently across global teams.
• Availability to participate in on-call coverage, after-hours incident response, scheduled maintenance, and recovery activities in accordance with business requirements, local policy, and applicable law.

Preferred Qualifications

• Relevant training or certification in Cisco voice or collaboration, networking, ITIL, ServiceNow, Infoblox, wireless, network access control, or SD-WAN.
• Experience with Cisco enterprise telephony, CUCM, Unity, CER/E911, Webex, Microsoft Teams calling, contact center, RedSky or other E911 platforms, telecommunications carriers, Cisco, Arista, Juniper Mist, Meraki, VeloCloud, Infoblox, Cisco ISE, or comparable platforms.
• Exposure to scripting or automation using Python, PowerShell, APIs, Ansible, Power Automate, or orchestration tools.
• Prior experience supporting manufacturing, industrial, laboratory, IoT/OT, or other high-availability environments.

Required Qualifications

• Bachelor’s degree in Information Technology, Computer Science, Telecommunications, Networking, Engineering Technology, or a related field;
• 5 years or more years of experience supporting enterprise voice, collaboration, telecommunications, network operations, infrastructure services, or IT service management processes in a corporate, global, or manufacturing environment.