OT Integration Engineer

Looking for a OT Network and Cyber profile with understanding of OT Admin Zone. CISCO heavy network deployments and PALO ALTO Firewall rule and alerts configuration also Familiarity with cyber safeguards secure by design principles and infrastructure hardening. VMware or Vcenter familiarity will be needed and should be based or able to relocate or commute to huston office

JD:

OT Integration Engineer

Role Summary

The OT Integration Engineer is responsible for supporting the onboarding integration and deployment of Operational Technology OT systems into secure enterprise architectures This role focuses on implementing virtualized compute basic networking and firewall configurations that comply with ACE safeguards and OT Admin Zone PAZDAZEAZ design standards

The engineer works across cybersecurity network and OT application teams to ensure systems are deployed securely operate reliably and meet standardized OT cyber and infrastructure requirements

Key Responsibilities

OT System Integration Deployment

Support the integration of OT applications and systems into standardized OT Admin Zones PAZ DAZ EAZ DMZ as applicable

Deploy and configure virtual machines VMware ESXi vCenter or equivalent for OT workloads including OS installation hardening and baseline configuration

Ensure all deployments align with ACE safeguards and approved OT reference architectures

Assist with application onboarding functional validation and transition to steadystate operations

Networking Connectivity Foundational Configure and validate basic network connectivity for OT systems including

IP addressing

VLANs

Routing dependencies

Firewall rules validation

Coordinate with network teams to establish secure conduits between zones eg PAZ to DAZ PAZ to Enterprise

Support IPsec tunnel validation connectivity testing and trouble isolation

Firewall Security Controls

Implement and validate Palo Alto firewall policies supporting Admin Zone designs

Assist in firewall rule creation review and testing to enable OT application traffic while enforcing leastprivilege access

Support admin zone tooling connectivity AD backup logging vulnerability management secure remote access

Participate in security reviews to ensure alignment with OT cyber standards and safeguards

Compliance Documentation Handover

Ensure deployed systems meet baseline cyber and operational compliance requirements

Document configurations dependencies and integration artifacts required for audit support and sustainment

Support knowledge transfer to operations teams during hypercare and steadystate transition

Required Qualifications

Technical Skills

Basic understanding of TCPIP networking subnets routing and firewalls

Handson experience deploying and supporting virtualized infrastructure VMware or equivalent

Familiarity with Palo Alto firewalls policy concepts zones security rules

Knowledge of OT environments and segmented network architectures

Experience working in regulated or securityconstrained environments

Conceptual Process Knowledge

Understanding of OT Admin Zone architecture concepts PAZ DAZ EAZ DMZ

Familiarity with cyber safeguards secure by design principles and infrastructure hardening

Ability to follow standard build procedures reference architectures and onboarding checklists

Preferred Qualifications

Experience supporting OT systems SCADA historians OT infrastructure services

Exposure to ACE PCN or equivalent OT cybersecurity frameworks

Experience with Active Directory integration in segmented networks

Prior involvement in MA asset onboarding or largescale OT integration programs

Working knowledge of CMDB onboarding and operational documentation

Key Attributes

Detailoriented with a strong focus on security and compliance

Comfortable working across OT network cyber and infrastructure teams

Able to follow standardized architectures while supporting multiple assets and programs

Strong troubleshooting mindset and operational awareness

Skills