Key Responsibilities:

• Switching & Routing: SME in IT and OT LAN/WAN switching infrastructure design, implementation, and maintenance with primarily Cisco and Allen-Bradley devices. Collaborate with controls engineers and OT teams to support PLC, SCADA, and HMI connectivity
• Wireless Infrastructure: SME in Cisco and Aruba wireless technologies and their enterprise ecosystems, including ISE and ClearPass
• Network Security: SME in Cisco and Fortinet firewalls including policy management, NAT, IPS/IDS, SSL inspection, VPN (IPSec/SSL), etc.
• Monitoring & Support: Technical expert in understanding monitoring protocols like SNMP and NetFlow to provide in-depth troubleshooting and fast issue resolution
• SDWAN: In-depth understanding of SDWAN architecture and ongoing operations, including policy management, traffic steering, and WAN optimization
• Cloud: Implementation experience with Aviatrix and deep understanding of cloud networking in AWS and Azure
• Automation: In-depth Experience with network automation and scripting (Python, Ansible, Terraform)
• Documentation: Design and maintain network infrastructure documentation including high and low level design, runbooks and diagrams

Preferred Qualifications:

• 8+ years of experience of global, enterprise-level LAN/WAN network engineering
• Active certifications in Cisco, Aruba and Fortinet products and technologies
• Bachelor’s degree in computer science, Computer Information Systems, or a related field or equivalent experience
• Deep expertise in Cisco switching, including advanced routing protocols (BGP, OSPF, EIGRP) and Layer 2/3 design
• Proven SME-level experience with Cisco ISE , 802.1X, CoA, profiling, guest portals, and posture
• Strong hands-on experience with Aruba and Cisco wireless (APs, mobility controllers, controller management software)
• Solid working knowledge of Cisco Firepower/FTD, experience with Cisco ASA a plus
• Solid working knowledge of FortiGate firewalls, FortiManager, and FortiAnalyzer
• Experience designing and operating SD-WAN solutions (Fortinet SD-WAN, Cisco Viptela/Meraki, or equivalent)
• Hands-on experience with Allen-Bradley Stratix OT switches and industrial Ethernet networking in manufacturing, utilities, or critical infrastructure environments and OT/ICS security frameworks (IEC 62443, NIST SP 800-82, Purdue Model) and IT/OT network segmentation strategies
• Proficiency with network troubleshooting tools (Wireshark, traceroute, packet captures, etc.)

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Your key responsibilities will include:

• Switching & Routing: Design, implement and maintain IT and OT LAN/WAN switching infrastructure with primarily Cisco and Allen-Bradley devices, collaborating with controls engineers and OT teams to support PLC, SCADA, and HMI connectivity
• Wireless Infrastructure: Be an SME in Cisco and Aruba wireless technologies and their enterprise ecosystems, including ISE and ClearPass
• Network Security: Be an SME in Cisco and Fortinet firewalls, including policy management, NAT, IPS/IDS, SSL inspection, VPN (IPSec/SSL), etc.
• Monitoring & Support: Provide in-depth troubleshooting and fast issue resolution using monitoring protocols like SNMP and NetFlow
• SDWAN: Have an in-depth understanding of SDWAN architecture and ongoing operations, including policy management, traffic steering, and WAN optimization
• Cloud: Implement experience with Aviatrix and a deep understanding of cloud networking in AWS and Azure
• Automation: Have in-depth experience with network automation and scripting (Python, Ansible, Terraform)
• Documentation: Design and maintain network infrastructure documentation, including high and low-level design, runbooks, and diagrams

As a Senior Network Engineer, you will be expected to work closely with cross-functional teams to ensure the smooth operation of our network infrastructure. You will also be responsible for staying up-to-date with the latest technologies and trends in the field and providing guidance and support to junior team members.

We offer a competitive salary and benefits package, as well as opportunities for professional growth and development. If you are a motivated and experienced network engineer looking for a new challenge, please apply today!

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Lamb Weston is seeking a highly skilled Senior Network Engineer to help lead the implementation, optimization and support of our IT and OT network infrastructure. You will be part of a global team managing a multi-vendor environment, ensuring seamless connectivity and security across all our network platforms and vendors.

Key Responsibilities

• Switching & Routing: SME in IT and OT LAN/WAN switching infrastructure design, implementation, and maintenance with primarily Cisco and Allen-Bradley devices. Collaborate with controls engineers and OT teams to support PLC, SCADA, and HMI connectivity
• Wireless Infrastructure: SME in Cisco and Aruba wireless technologies and their enterprise ecosystems, including ISE and ClearPass
• Network Security: SME in Cisco and Fortinet firewalls including policy management, NAT, IPS/IDS, SSL inspection, VPN (IPSec/SSL), etc.
• Monitoring & Support: Technical expert in understanding monitoring protocols like SNMP and NetFlow to provide in-depth troubleshooting and fast issue resolution
• SDWAN: In-depth understanding of SDWAN architecture and ongoing operations, including policy management, traffic steering, and WAN optimization
• Cloud: Implementation experience with Aviatrix and deep understanding of cloud networking in AWS and Azure
• Automation: In-depth Experience with network automation and scripting (Python, Ansible, Terraform)
• Documentation: Design and maintain network infrastructure documentation including high and low level design, runbooks and diagrams

Preferred Qualifications

• 8+ years of experience of global, enterprise-level LAN/WAN network engineering
• Active certifications in Cisco, Aruba and Fortinet products and technologies
• Bachelor’s degree in computer science, Computer Information Systems, or a related field or equivalent experience
• Deep expertise in Cisco switching, including advanced routing protocols (BGP, OSPF, EIGRP) and Layer 2/3 design
• Proven SME-level experience with Cisco ISE , 802.1X, CoA, profiling, guest portals, and posture
• Strong hands-on experience with Aruba and Cisco wireless (APs, mobility controllers, controller management software)
• Solid working knowledge of Cisco Firepower/FTD, experience with Cisco ASA a plus
• Solid working knowledge of FortiGate firewalls, FortiManager, and FortiAnalyzer
• Experience designing and operating SD-WAN solutions (Fortinet SD-WAN, Cisco Viptela/Meraki, or equivalent)
• Hands-on experience with Allen-Bradley Stratix OT switches and industrial Ethernet networking in manufacturing, utilities, or critical infrastructure environments and OT/ICS security frameworks (IEC 62443, NIST SP 800-82, Purdue Model) and IT/OT network segmentation strategies
• Proficiency with network troubleshooting tools (Wireshark, traceroute, packet captures, etc.)

_We offer you a challenging job in a dynamic and growing organization in the food industry. We challenge you to grow in the same way as our company, where development is key. We thrive in a culture defined by our values: Integrity, Teamwork, Inclusion, Drive for Results and Empowerment. As we say at Lamb Weston EMEA, when we see a potato, we see opportunities. What opportunities do you see?_

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Key Responsibilities:

• Switching & Routing: SME in IT and OT LAN/WAN switching infrastructure design, implementation, and maintenance with primarily Cisco and Allen-Bradley devices. Collaborate with controls engineers and OT teams to support PLC, SCADA, and HMI connectivity
• Wireless Infrastructure: SME in Cisco and Aruba wireless technologies and their enterprise ecosystems, including ISE and ClearPass
• Network Security: SME in Cisco and Fortinet firewalls including policy management, NAT, IPS/IDS, SSL inspection, VPN (IPSec/SSL), etc.
• Monitoring & Support: Technical expert in understanding monitoring protocols like SNMP and NetFlow to provide in-depth troubleshooting and fast issue resolution
• SDWAN: In-depth understanding of SDWAN architecture and ongoing operations, including policy management, traffic steering, and WAN optimization
• Cloud: Implementation experience with Aviatrix and deep understanding of cloud networking in AWS and Azure
• Automation: In-depth Experience with network automation and scripting (Python, Ansible, Terraform)
• Documentation: Design and maintain network infrastructure documentation including high and low level design, runbooks and diagrams

Preferred Qualifications:

• 8+ years of experience of global, enterprise-level LAN/WAN network engineering
• Active certifications in Cisco, Aruba and Fortinet products and technologies
• Bachelor’s degree in computer science, Computer Information Systems, or a related field or equivalent experience
• Deep expertise in Cisco switching, including advanced routing protocols (BGP, OSPF, EIGRP) and Layer 2/3 design
• Proven SME-level experience with Cisco ISE , 802.1X, CoA, profiling, guest portals, and posture
• Strong hands-on experience with Aruba and Cisco wireless (APs, mobility controllers, controller management software)
• Solid working knowledge of Cisco Firepower/FTD, experience with Cisco ASA a plus
• Solid working knowledge of FortiGate firewalls, FortiManager, and FortiAnalyzer
• Experience designing and operating SD-WAN solutions (Fortinet SD-WAN, Cisco Viptela/Meraki, or equivalent)
• Hands-on experience with Allen-Bradley Stratix OT switches and industrial Ethernet networking in manufacturing, utilities, or critical infrastructure environments and OT/ICS security frameworks (IEC 62443, NIST SP 800-82, Purdue Model) and IT/OT network segmentation strategies
• Proficiency with network troubleshooting tools (Wireshark, traceroute, packet captures, etc.)

XML job scraping automation by YubHub

Your key responsibilities will include:

• Switching & Routing: SME in IT and OT LAN/WAN switching infrastructure design, implementation, and maintenance with primarily Cisco and Allen-Bradley devices. Collaborate with controls engineers and OT teams to support PLC, SCADA, and HMI connectivity
• Wireless Infrastructure: SME in Cisco and Aruba wireless technologies and their enterprise ecosystems, including ISE and ClearPass
• Network Security: SME in Cisco and Fortinet firewalls including policy management, NAT, IPS/IDS, SSL inspection, VPN (IPSec/SSL), etc.
• Monitoring & Support: Technical expert in understanding monitoring protocols like SNMP and NetFlow to provide in-depth troubleshooting and fast issue resolution
• SDWAN: In-depth understanding of SDWAN architecture and ongoing operations, including policy management, traffic steering, and WAN optimisation
• Cloud: Implementation experience with Aviatrix and deep understanding of cloud networking in AWS and Azure
• Automation: In-depth Experience with network automation and scripting (Python, Ansible, Terraform)
• Documentation: Design and maintain network infrastructure documentation including high and low level design, runbooks and diagrams

To be successful in this role, you will need:

• 8+ years of experience of global, enterprise-level LAN/WAN network engineering
• Active certifications in Cisco, Aruba and Fortinet products and technologies
• Bachelor’s degree in computer science, Computer Information Systems, or a related field or equivalent experience
• Deep expertise in Cisco switching, including advanced routing protocols (BGP, OSPF, EIGRP) and Layer 2/3 design
• Proven SME-level experience with Cisco ISE , 802.1X, CoA, profiling, guest portals, and posture
• Strong hands-on experience with Aruba and Cisco wireless (APs, mobility controllers, controller management software)
• Solid working knowledge of Cisco Firepower/FTD, experience with Cisco ASA a plus
• Solid working knowledge of FortiGate firewalls, FortiManager, and FortiAnalyzer
• Experience designing and operating SD-WAN solutions (Fortinet SD-WAN, Cisco Viptela/Meraki, or equivalent)
• Hands-on experience with Allen-Bradley Stratix OT switches and industrial Ethernet networking in manufacturing, utilities, or critical infrastructure environments and OT/ICS security frameworks (IEC 62443, NIST SP 800-82, Purdue Model) and IT/OT network segmentation strategies
• Proficiency with network troubleshooting tools (Wireshark, traceroute, packet captures, etc.)

In return, we offer a challenging job in a dynamic and growing organisation in the food industry. We challenge you to grow in the same way as our company, where development is key. We thrive in a culture defined by our values: Integrity, Teamwork, Inclusion, Drive for Results and Empowerment. As we say at Lamb Weston EMEA, when we see a potato, we see opportunities. What opportunities do you see?

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Key Responsibilities:

• Switching & Routing: SME in IT and OT LAN/WAN switching infrastructure design, implementation, and maintenance with primarily Cisco and Allen-Bradley devices. Collaborate with controls engineers and OT teams to support PLC, SCADA, and HMI connectivity
• Wireless Infrastructure: SME in Cisco and Aruba wireless technologies and their enterprise ecosystems, including ISE and ClearPass
• Network Security: SME in Cisco and Fortinet firewalls including policy management, NAT, IPS/IDS, SSL inspection, VPN (IPSec/SSL), etc.
• Monitoring & Support: Technical expert in understanding monitoring protocols like SNMP and NetFlow to provide in-depth troubleshooting and fast issue resolution
• SDWAN: In-depth understanding of SDWAN architecture and ongoing operations, including policy management, traffic steering, and WAN optimization
• Cloud: Implementation experience with Aviatrix and deep understanding of cloud networking in AWS and Azure
• Automation: In-depth Experience with network automation and scripting (Python, Ansible, Terraform)
• Documentation: Design and maintain network infrastructure documentation including high and low level design, runbooks and diagrams

Preferred Qualifications:

• 8+ years of experience of global, enterprise-level LAN/WAN network engineering
• Active certifications in Cisco, Aruba and Fortinet products and technologies
• Bachelor’s degree in computer science, Computer Information Systems, or a related field or equivalent experience
• Deep expertise in Cisco switching, including advanced routing protocols (BGP, OSPF, EIGRP) and Layer 2/3 design
• Proven SME-level experience with Cisco ISE , 802.1X, CoA, profiling, guest portals, and posture
• Strong hands-on experience with Aruba and Cisco wireless (APs, mobility controllers, controller management software)
• Solid working knowledge of Cisco Firepower/FTD, experience with Cisco ASA a plus
• Solid working knowledge of FortiGate firewalls, FortiManager, and FortiAnalyzer
• Experience designing and operating SD-WAN solutions (Fortinet SD-WAN, Cisco Viptela/Meraki, or equivalent)
• Hands-on experience with Allen-Bradley Stratix OT switches and industrial Ethernet networking in manufacturing, utilities, or critical infrastructure environments and OT/ICS security frameworks (IEC 62443, NIST SP 800-82, Purdue Model) and IT/OT network segmentation strategies
• Proficiency with network troubleshooting tools (Wireshark, traceroute, packet captures, etc.)

XML job scraping automation by YubHub

Key Responsibilities:

• Switching & Routing: SME in IT and OT LAN/WAN switching infrastructure design, implementation, and maintenance with primarily Cisco and Allen-Bradley devices. Collaborate with controls engineers and OT teams to support PLC, SCADA, and HMI connectivity
• Wireless Infrastructure: SME in Cisco and Aruba wireless technologies and their enterprise ecosystems, including ISE and ClearPass
• Network Security: SME in Cisco and Fortinet firewalls including policy management, NAT, IPS/IDS, SSL inspection, VPN (IPSec/SSL), etc.
• Monitoring & Support: Technical expert in understanding monitoring protocols like SNMP and NetFlow to provide in-depth troubleshooting and fast issue resolution
• SDWAN: In-depth understanding of SDWAN architecture and ongoing operations, including policy management, traffic steering, and WAN optimization
• Cloud: Implementation experience with Aviatrix and deep understanding of cloud networking in AWS and Azure
• Automation: In-depth Experience with network automation and scripting (Python, Ansible, Terraform)
• Documentation: Design and maintain network infrastructure documentation including high and low level design, runbooks and diagrams

Preferred Qualifications:

• 8+ years of experience of global, enterprise-level LAN/WAN network engineering
• Active certifications in Cisco, Aruba and Fortinet products and technologies
• Bachelor’s degree in computer science, Computer Information Systems, or a related field or equivalent experience
• Deep expertise in Cisco switching, including advanced routing protocols (BGP, OSPF, EIGRP) and Layer 2/3 design
• Proven SME-level experience with Cisco ISE , 802.1X, CoA, profiling, guest portals, and posture
• Strong hands-on experience with Aruba and Cisco wireless (APs, mobility controllers, controller management software)
• Solid working knowledge of Cisco Firepower/FTD, experience with Cisco ASA a plus
• Solid working knowledge of FortiGate firewalls, FortiManager, and FortiAnalyzer
• Experience designing and operating SD-WAN solutions (Fortinet SD-WAN, Cisco Viptela/Meraki, or equivalent)
• Hands-on experience with Allen-Bradley Stratix OT switches and industrial Ethernet networking in manufacturing, utilities, or critical infrastructure environments and OT/ICS security frameworks (IEC 62443, NIST SP 800-82, Purdue Model) and IT/OT network segmentation strategies
• Proficiency with network troubleshooting tools (Wireshark, traceroute, packet captures, etc.)

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$257K – $327K • Offers Equity

The base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. If the role is non-exempt, overtime pay will be provided consistent with applicable laws. In addition to the salary range listed above, total compensation also includes generous equity, performance-related bonus(es) for eligible employees, and the following benefits.

• Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts

• Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)

• 401(k) retirement plan with employer match

• Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)

• Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees

• 13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time (1 hour per 30 hours worked, or more, as required by applicable state or local law)

• Mental health and wellness support

• Employer-paid basic life and disability coverage

• Annual learning and development stipend to fuel your professional growth

• Daily meals in our offices, and meal delivery credits as eligible

• Relocation support for eligible employees

• Additional taxable fringe benefits, such as charitable donation matching and wellness stipends, may also be provided.

About the Team

OpenAI is building the infrastructure foundation for the next generation of AI. The Data Center Engineering team defines the strategy, reference architectures, technical requirements, and delivery standards for the large-scale data centers that support OpenAI research, products, and infrastructure partners.

About the Role

We are seeking a mid to senior OT Network Engineer with a strong controls systems background to lead the design and operation of resilient, secure, and scalable OT network architectures for high-density AI data centers. This role translates compute, power, cooling, and operational requirements into practical OT network designs, evaluates vendor solutions, and drives technical decisions across controls infrastructure, telemetry, commissioning, and operations.

Key Responsibilities

• Define controls, automation, and OT network requirements for AI data center campuses.

• Develop reference architectures, engineering standards, and reusable design templates.

• Review and develop basis-of-design and functional design documents, including OT network diagrams, IP/VLAN schemes, telemetry architectures, data flow diagrams, and commissioning requirements.

• Design OT and infrastructure network architectures, including physical topology, logical topology, IP addressing, subnetting, VLANs, routing, switching, redundancy, segmentation, firewall policy coordination, out-of-band management, monitoring, and remote access patterns.

• Develop day-two network operations requirements, including change management, configuration backups, golden configurations, monitoring thresholds, firmware lifecycle, rollback plans, and post-change validation.

• Partner with electrical, mechanical, IT/networking, security, and operations teams to ensure OT network systems align with GPU deployments, campus-wide telemetry, and failure-domain isolation requirements.

• Define integration patterns and protocol requirements across BACnet/IP, BACnet MSTP, Modbus TCP/RTU, OPC UA, IEC-61850 MMS/GOOSE, MQTT, SNMP, syslog, NTP/PTP, IRIG-B, and vendor-specific interfaces.

• Lead technical evaluation of controls integrators, network equipment suppliers, design consultants, contractors, and commissioning agents

• Review network equipment submittals, configurations, firmware assumptions, certifications, test reports, and quality documentation.

• Support factory witnessed testing (FWT), site acceptance testing, network readiness checks, failover testing, and integrated systems testing.

• Troubleshoot complex controls network issues including packet loss, latency, duplicate IPs, routing errors, firewall drops, protocol incompatibilities, time synchronization drift, and intermittent device communication failures.

Qualifications

• 8+ years of relevant experience in controls engineering, industrial automation, OT networking, mission-critical facilities, or similar critical infrastructure environments.

• Strong expertise in resilient OT network architecture, implementation, troubleshooting, and lifecycle support.

• Experience with OT/IT boundary design, secure enterprise integration, firewall policy design, redundant topologies, out-of-band management, and monitoring.

• Hands-on experience with Layer 3 OT network design, including IP addressing, subnetting, routing, VRFs, ACLs, inter-VLAN traffic control, and network segmentation.

• Hands-on experience with Layer 2 security and switching controls, including MACsec, port security, loop prevention, and switch-level access control.

• Hands-on experience in designing resilient OT network topologies using industrial redundancy protocols and architectures such as PRP, HSR, Cisco REP, RSTP/MSTP, and ring or star topologies.

• Hands-on experience in designing resilient infrastructure network architectures using HSRP/VRRP, spine-leaf topologies, redundant uplinks, and failure-domain isolation.

• Hands-on experience with industrial and infrastructure network equipment such as Cisco switches/routers, Juniper switches/routers, Palo Alto firewalls, Rockwell Automation Stratix switches, Siemens Ruggedcom or comparable industrial networking platforms.

• Experience with network management and observability platforms such as Cisco Catalyst Center (DNA Center), Palo Alto Panorama, Juniper Mist, industrial NMS tools, packet brokers, and OT monitoring platforms.

• Hands-on experience with industrial Ethernet, VPN tunneling, IPsec-based connectivity, and secure remote access.

• Hands-on experience with virtualized OT or controls server environments such as VMware vSAN, Microsoft Azure Stack HCI / Hyper-V, or comparable infrastructure platforms.

• Experience with industrial communication and OT infrastructure protocols, including BACnet/IP, BACnet MSTP, Modbus TCP/RTU, OPC UA, IEC-61850 MMS/GOOSE, MQTT, SNMP, syslog, NTP/PTP, IRIG-B, and vendor-specific interfaces, and strong understanding of their behavior across OT network architectures.

• Experience reviewing and producing technical design documentation, commissioning plans, and acceptance test procedures.

• Experience with factory witnessed testing, site acceptance testing, failover testing, telemetry validation, protocol compatibility test

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