Senior Network Engineer

This role involves architecting, deploying, and supporting information and operational technology solutions at a mission-critical manufacturing site. The engineer will focus on designing, developing, and maintaining innovative network infrastructure to support semiconductor manufacturing operations, with an emphasis on Cisco technologies and secure, high-availability networks. Responsibilities

• Provide operational support for on-premises network infrastructure, spanning from SD-WAN-based corporate enterprise networks to sensor-level communications
• Collaborate with process and manufacturing engineering teams to enable equipment integration and automation
• Design, develop, and deploy next-generation special use networks to segment and isolate critical manufacturing operations
• Troubleshoot network performance issues across all layers of the IT/OT architecture
• Support the implementation and rollout of new network technologies such as switches, firewalls, wireless infrastructure, and monitoring tools
• Participate in cross-functional calls to resolve network-related issues affecting equipment, applications, and infrastructure communication
• Attend daily tier meetings with factory and manufacturing operations teams for support and updates
• Work with corporate IT and security teams to ensure network compliance with cybersecurity standards
• Maintain network documentation including topology diagrams, configuration records, and change logs
• Ensure network resilience, redundancy, and high availability through proper design and proactive maintenance
• Monitor and manage network health, performance, and capacity using tools and dashboards

• Bachelor’s degree in information technology or a related field
• 5+ years of experience supporting enterprise and industrial network infrastructure in manufacturing or site environments
• Hands-on experience with Cisco network and routing equipment
• Strong background in factory floor networking (Level 2/3 OT) and collaboration with IT networks (Level 3.5/4)
• Proficient in network fundamentals including firewall configuration, VPN setup, VLANs, subnetting, IP addressing, DNS, DHCP, NAT, routing, and switching
• Experience with high availability, redundancy, and Quality of Service protocols
• Experience with network segmentation, resilience, and disaster recovery strategies
• Familiarity with DevOps network operations such as CI/CD, Infrastructure as Code, monitoring, and automated deployment
• 2+ years of experience with PowerShell scripting
• 1+ years of experience with service management platforms such as ServiceNow
• Demonstrated ability to document network architecture, automation scripts, and configurations

Preferred Qualifications

• Advanced degree in information technology, computer science, or related fields
• Certification in Cisco Certified Network Associate (CCNA) or equivalent
• Experience with multi-vendor network equipment (Cisco, Arista, Dell, Palo Alto)
• Experience with network patching tools such as Tanium or Chef and applying security practices
• Knowledge of data protection and recovery platforms (e.g., Rubrik, Veeam, Commvault, Zerto)
• Understanding of IT/OT convergence, industrial protocols, SCADA, and manufacturing systems
• Knowledge of industrial network architectures including layered models, DMZs, and redundant topologies
• Excellent communication, problem-solving, and solution design skills
• Ability to work independently with a proactive approach