Senior OT/IT Network & Cybersecurity Engineer (Houston)

Alava Consulting; La Porte (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

Alava Consulting in La Porte, Texas, seeks a Senior OT/IT Network & Cybersecurity Engineer for a direct-hire role. The candidate will design, implement, secure, and support OT/IT infrastructure connecting remote industrial sites to a centralized Monitoring & Diagnostics center, with emphasis on secure data connectivity and low-latency data flows.

The role demands hands-on industrial networking experience, OT cybersecurity expertise, NERC CIP compliance, and familiarity with industrial protocols.

Qualifications

• Demonstrated experience supporting industrial OT/IT systems within critical infrastructure such as power generation, manufacturing, oil & gas, or data centers.

Responsibilities

• Own end-to-end secure data connectivity between remote industrial sites and the centralized M&D center.
• Design and support reliable, secure, low-latency data flows between industrial sites and centralized monitoring infrastructure.
• Configure and maintain industrial network infrastructure, including routers, firewalls, secure gateways, servers, and edge devices.
• Configure and troubleshoot IPsec VPN tunnels, including IKEv2, NAT traversal, QoS, and fragmentation.
• Implement segmented OT network architectures across Control System, DMZ, and Enterprise environments.
• Establish secure connectivity with DCS, control systems, vibration monitoring, emissions systems, and other industrial monitoring platforms.
• Stand up, harden, and support centralized M&D infrastructure, including servers, virtualization platforms, firewalls, historians, analytics engines, and visualization tools.
• Ensure OT network architecture complies with NERC CIP requirements for segmentation, access controls, monitoring, and incident response.
• Troubleshoot network connectivity, data integrity, latency, and system availability issues across domestic and international sites.
• Serve as a technical advisor for OT connectivity, cybersecurity, and data architecture decisions.
• Collaborate with engineering, reliability, and analytics teams to support monitoring and diagnostic initiatives.

Skills

OT/IT networking

Cybersecurity engineering

NERC CIP compliance

IPsec VPNs

Industrial protocols

Edge/DMZ architecture

Tools

Firewalls

Routers

Secure gateways

IPsec VPNs

Industrial edge devices

DCS/SCADA integration

Job description

Alava Consulting in La Porte, Texas, seeks a Senior OT/IT Network & Cybersecurity Engineer for a direct-hire role. The candidate will design, implement, secure, and support OT/IT infrastructure connecting remote industrial sites to a centralized Monitoring & Diagnostics center, with emphasis on secure data connectivity and low-latency data flows.

The role demands hands-on industrial networking experience, OT cybersecurity expertise, NERC CIP compliance, and familiarity with industrial protocols.