Senior Network Architect - Power Gen IT/OT & Security

OakTree Staffing; Tulsa (OK); On-site; USD 120,000 - 180,000; Full time

Job summary

Qualifications

• 8+ years in enterprise/industrial/utility or energy networking with 3+ years leading architecture work.
• Experience IT/OT networking design including segmentation, DMZs, controlled vendor access and safe implementation.
• Strong routing, switching, WAN/SD-WAN, wireless, firewall, DNS/DHCP/IPAM and high-availability design knowledge.
• Ability to create HLDs, LLDs, reference architectures, standards, decision records and implementation guidance.
• Experience leading cross-functional design reviews with network engineering, Cybersecurity, Controls, Operations, project teams and vendors.

Responsibilities

• Own architecture for active Power Generation projects and deliver design guidance for top-priority backlog items.
• Lead design reviews and translate requirements into HLDs/LLDs and vendor design assessments.
• Design secure data flows, vendor/OEM access patterns and risk-informed changes.
• Create repeatable reference architectures and standards to reduce bespoke site designs.
• Support project delivery with governance, patterns, and scalable design leadership.

Skills

Enterprise networking

IT/OT integration

Network architecture

Routing & switching

WAN/SD-WAN

Security design

Tools

Cisco Catalyst

Catalyst SD-WAN

Palo Alto

Infoblox

SolarWinds

DNA Center

Job description