Senior Network Engineer
Core
Design, secure, and maintain network infrastructure for Operational Technology (OT) environments, including AI data centers and mission-critical facilities.
Role type
Senior Network Engineer (OT)
Builds
Resilient OT network architectures, security policies, and connectivity for industrial control systems.
Domain
Energy infrastructure / Operational Technology (OT)
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
TCP/IP, VLANs, Routing, Switching, Subnetting, NAT, Palo Alto Firewalls, VPNs, High Availability design, OT network segmentation, Site-to-site connectivity
Preferred skills
Moxa industrial switches, Siemens PLCs, SEL protective relays, Ignition SCADA, Windows/Linux administration, PCNSE/CCNA/CCNP certifications
Technologies
Palo Alto, Moxa, Siemens, SEL, Ignition SCADA, Windows, Linux
Responsibilities
Design and implement OT network architectures (LAN/WAN/wireless); Configure and troubleshoot Palo Alto firewalls for security and segmentation; Deploy and maintain Moxa industrial switches; Diagnose and resolve complex network issues across routing, switching, and security layers; Design and maintain VLAN structures, subnetting schemes, and IP addressing plans; Configure NAT, VPN tunnels, and remote access connectivity; Implement High Availability (HA) network designs; Collaborate with controls and cybersecurity teams to integrate PLCs, SCADA systems, and industrial PCs; Document network designs and change management records.
Seniority
Senior, hands-on IC