SCADA Network Architect & Security Leader (Hybrid)

GDH; Dallas (TX); Hybrid; USD 69,000 - 83,000; Full time

Benefits offered by this job

Hybrid schedule

Job summary

GDH seeks a Senior Network Engineer specializing in SCADA network operations and security to lead the management of critical utility networks. You will own the SCADA environment, coordinate vendors, and drive security, performance, and compliance across enterprise networks.

The role requires hands-on engineering expertise, strong incident response skills, and the ability to document complex architectures. A hybrid work schedule is available, with in-office collaboration and remote flexibility.

Qualifications

• 7+ years of enterprise network engineering experience.
• 3+ years supporting SCADA/OT or critical infrastructure environments.
• Experience managing external vendors and service providers.
• Strong knowledge of routing, switching, and security protocols (Cisco IOS/IOS-XE, BGP, OSPF, VLANs, VPNs, firewalls).

Responsibilities

• Serve as the primary technical owner for the SCADA network environment, overseeing availability, performance, and security.
• Develop and maintain network architecture, configuration standards, and operational procedures.
• Lead incident response, troubleshooting, and escalation for SCADA network-related issues.
• Manage vendor relationships, including defining service expectations, monitoring performance, and coordinating support activities.
• Own and optimize network monitoring strategies, including device availability, interface utilization, routing, and environmental alerts.
• Implement and support secure communications, VPNs, and network segmentation aligned with security standards.
• Coordinate hardware lifecycle management, including firmware updates, refreshes, and end-of-life remediation efforts.
• Ensure network configurations adhere to security policies and regulatory compliance through regular reviews and audits.
• Lead root cause analysis and corrective actions during major incidents and outages.
• Maintain detailed documentation of network designs, standards, and operational procedures to ensure consistency across platforms.

Skills

Enterprise networking

SCADA/OT

Vendor management

Routing & switching

Network security

Documentation

Education

CCNP Enterprise

CCIE Enterprise Infrastructure

Tools

ManageEngine

NetBrain

Syslog

Job description

GDH seeks a Senior Network Engineer specializing in SCADA network operations and security to lead the management of critical utility networks. You will own the SCADA environment, coordinate vendors, and drive security, performance, and compliance across enterprise networks.

The role requires hands-on engineering expertise, strong incident response skills, and the ability to document complex architectures. A hybrid work schedule is available, with in-office collaboration and remote flexibility.