OT Systems Engineer - Industrial Networking & Cybersecurity

Enterprise Automation, A Tetra Tech Company

Irvine (CA)

On-site

USD 120,000 - 180,000

Full time

14 days+

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Job summary

Enterprise Automation, a Tetra Tech company, seeks an experienced OT Systems Engineer to design, review, implement, commission, and troubleshoot OT solutions across diverse industrial environments. You will contribute to solution development, root-cause analysis, remediation, and technical discovery, serving as a subject matter resource for OT best practices.

You will work across OT architecture, industrial networking, automation platforms, and cybersecurity with hands-on project execution and

Qualifications

Solid experience in operational technology, industrial automation, controls, or systems integration.
Strong technical knowledge of OT architecture, industrial networks, and implementation best practices.
Hands-on experience in client-facing technical roles supporting industrial environments.
Ability to independently analyze problems, identify options, and implement practical solutions.
Strong troubleshooting and diagnostic skills in OT/ICS environments.
Working knowledge of OT cybersecurity concepts, segmentation, remote access, and risk mitigation.

Responsibilities

Support the design, review, implementation, and commissioning of OT engineering and architecture solutions across multiple concurrent client projects.
Provide technical leadership on OT technologies, industrial networking, automation platforms, and cybersecurity practices. Stay current on each and provide guidance to clients and internal teams on new technologies, emerging trends, and best practices.
Troubleshoot complex networking, firewall, operating system, virtualization, and other general OT issues. Support root cause analysis, remediation, and system optimization.
Evaluate technical options and recommend approaches that balance performance, reliability, security, and maintainability. Specify and develop hardware and software bill of materials.
Serve as a subject matter resource for OT cybersecurity best practices and risk reduction.
Support OT investigations, audits, modernization efforts, upgrades, and integration projects.
Develop and maintain OT technical documentation and drawings, including deliverables such as network drawings, IP address & network segmentation schemes, firewall rules, virtual machine & server specifications,and Active Directory & Group Policy specifications.
Contribute to technical discovery, scoping, and solutioning discussions with clients and internal teams.