Cyber Security Engineer Job at Robert Half (Oklahoma City)

Cyber Security Engineer

Robert Half

Location:
United States , Oklahoma City

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are looking for a skilled Cyber Security Engineer to join our team on a long-term contract basis in Oklahoma City, Oklahoma. In this role, you will focus on operational technology infrastructure, including PI systems and OT network/server design, to evaluate, document, and optimize systems across multiple chemical manufacturing plants. This position requires hands-on expertise in deploying network switches, standardizing architecture, and establishing secure, resilient connectivity across locations.

Job Responsibility:

Conduct comprehensive assessments of existing PI systems, including inventorying components, data flows, and dependencies
Design and implement standardized reference architectures for PI systems and OT networks to ensure consistency and high availability
Configure and deploy network switches while performing targeted network redesigns to align with established standards
Build and maintain secure Windows Server environments, including patching, backups, and system hardening
Create detailed documentation, including diagrams, asset lists, and operational procedures, to support ongoing infrastructure management
Develop change management processes to streamline updates and ensure system reliability
Establish monitoring and alerting mechanisms for critical PI and OT network components
Promote adherence to industry security standards, such as the Purdue model and relevant cybersecurity principles
Collaborate with operations, automation, and IT teams to ensure optimal system functionality and connectivity
Facilitate knowledge transfer and training for plant and corporate teams to maintain operational readiness

Requirements:

At least 5 years of experience in OT infrastructure roles within industrial or manufacturing environments
Hands-on experience with PI systems, including Data Archive, AF, Interfaces, Connectors, and PI Vision
Strong expertise in Windows Server and virtual machine setup, configuration, and maintenance
Proficient in networking technologies, including Layer 2/3, VLANs, routing, firewalls, and remote access
Demonstrated ability to document complex systems using tools like Visio and produce reference architectures
Familiarity with deploying and configuring network switches from manufacturers such as Cisco or Aruba
Understanding of industrial protocols and cybersecurity practices aligned with OT environments
Willingness to travel to various sites as needed to support project objectives

What we offer:

medical, vision, dental, and life and disability insurance
eligible to enroll in our company 401(k) plan

Additional Information:

Job Posted:
March 13, 2026

Work Type:

On-site work

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