Senior OT Network Engineer – Data Center Security

SB Energy; Phoenix (AZ); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

401(k) match

Paid time off

Hybrid office setup

Job summary

SB Energy seeks a Senior Network Engineer to design, implement, and support its growing OT and data center network infrastructure. You will own end-to-end network architecture across development, construction, operations, and handover, ensuring security, reliability, and conformity with NIST/ISA/IEC guidelines.

The role requires 5+ years in OT networks, Azure networking experience, and familiarity with Palo Alto/Cisco devices.

Qualifications

• Bachelor’s degree or equivalent education and experience.
• 5+ years of experience managing computer networks preferably in OT energy sector and data center.
• 5+ years of experience with Microsoft Azure networking, site-to-site connectivity, virtual networks, VPN gateways, cloud firewalls, and hybrid monitoring.

Responsibilities

• Own the end-to-end OT network architecture from development and detailed design through construction, commissioning, operations, upgrades, and asset handover.
• Design resilient, segmented powerplant and substation networks, including LAN/WAN, VLANs and VRFs, routing and switching, firewalls and DMZs, redundant paths, fiber and telecom circuits, wireless or cellular links, and secure cloud or remote operations connectivity.
• Lead equipment selection, configuration standards, capacity planning, procurement support, factory/site acceptance testing, commissioning, failover testing, and operational handoff.
• Embed defense-in-depth into OT network designs and operating practices, using risk-based principles aligned with company policy, NIST guidance for OT security, ISA/IEC 62443, and applicable NERC CIP requirements.

Skills

Azure networking

VPN gateways

Firewalls

VMware

Kubernetes

Docker

CCNP/CCNA

Education

Bachelor's degree

Tools

Dell Servers

Hyper-V

VMware

Kubernetes

Docker

Job description

SB Energy seeks a Senior Network Engineer to design, implement, and support its growing OT and data center network infrastructure. You will own end-to-end network architecture across development, construction, operations, and handover, ensuring security, reliability, and conformity with NIST/ISA/IEC guidelines.

The role requires 5+ years in OT networks, Azure networking experience, and familiarity with Palo Alto/Cisco devices.