Senior Network Engineer

Overview

Client is seeking a Network Engineer to architect, deploy, and support IT and operational technology infrastructure for a mission-critical semiconductor manufacturing site in Richardson, Texas. This role will support Cisco-based LAN, WLAN, SD-WAN, and IoT communications while developing secure network solutions that enable manufacturing automation, equipment integration, fault detection, and advanced process control.

Core Responsibilities

• Provide operational support for physical and virtual manufacturing and site network infrastructure.
• Support network communications ranging from the corporate SD-WAN environment through factory equipment, tools, sensors, and IoT devices.
• Design, develop, and deploy Special Use Networks to segment and isolate mission-critical manufacturing operations from the corporate network.
• Support Cisco-based LAN, WLAN, routing, switching, firewall, and network monitoring technologies.
• Migrate the site from a global authentication model to a site-level domain controller authentication model.
• Partner with process, equipment, manufacturing, and factory systems engineering teams to enable equipment integration and automation.
• Troubleshoot network performance and communication issues across IT and OT architecture layers.
• Implement switches, firewalls, wireless infrastructure, monitoring tools, and other network technologies.
• Support network resilience, redundancy, disaster recovery, high availability, and Quality of Service.
• Collaborate with corporate IT and security teams to ensure compliance with cybersecurity standards.
• Monitor network health, capacity, availability, and performance.
• Maintain network topology diagrams, configuration records, automation scripts, and change logs.

Essential Qualifications, Skills, and Technologies

• 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 networking, routing, and switching equipment.
• Strong factory-floor networking experience at Level 2/3 OT and experience integrating with Level 3.5/4 IT networks.
• Experience with firewalls, VPNs, VLANs, subnetting, IP addressing, DNS, DHCP, NAT, routing, and switching.
• Experience implementing high availability, redundancy, and Quality of Service protocols.
• Experience with network segmentation, resilience, and disaster recovery strategies.
• Experience with DevOps-oriented network operations, including CI/CD, Infrastructure as Code, monitoring pipelines, version control, or automated deployment.
• 2+ years of PowerShell scripting experience.
• 1+ years of experience with a service management platform such as ServiceNow.
• Ability to document network architecture, configurations, automation scripts, and operational procedures.

Preferred Skills or Experience

• Advanced degree in Information Technology, Computer Science, Computer Engineering, or a related field.
• Cisco Certified Network Associate certification or equivalent.
• Experience with Cisco, Arista, Dell, Palo Alto, or other multi-vendor network environments.
• Experience with Tanium, Chef, network patching, or security-hardening practices.
• Experience with Rubrik, Veeam, Commvault, Zerto, or similar data protection and recovery platforms.
• Knowledge of IT/OT convergence, industrial protocols, SCADA systems, MES platforms, and manufacturing equipment integration.
• Experience supporting Windows-based manufacturing computers and servers.
• Knowledge of industrial network architectures, DMZs, secure remote access, layered network models, and redundant topologies.
• Semiconductor manufacturing infrastructure experience.

Work Details

• Hybrid role based in Richardson, Texas.