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OT Systems Network Engineer

Job in Irvine, Orange County, California, 92713, USA
Listing for: Enterprise Automation
Full Time position
Listed on 2026-09-12
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity, Network Security
Salary/Wage Range or Industry Benchmark: 110000 - 140000 USD Yearly USD 110000.00 140000.00 YEAR
Job Description & How to Apply Below

You are a technically strong, hands‑on problem solver who takes ownership and follows through. You thrive in complex industrial environments, where you can apply deep OT knowledge to design, troubleshoot, and improve systems that need to be reliable, secure, and maintainable. You are curious, detail‑oriented, and committed to continuously deepening your expertise in operational technology, industrial networking, automation, and OT cybersecurity.

You are not just an individual contributor—you are a trusted technical resource. You work well across multiple concurrent projects, communicate clearly with both internal teams and clients, and bring sound judgment to technical decisions. You balance urgency with rigor, and you care about producing high‑quality work, strong documentation, and practical solutions that make a real impact.

What is the role?

We’re seeking an experienced OT Systems Engineer to support the design, review, implementation, commissioning, and troubleshooting of operational technology solutions across industrial client environments. This role combines technical depth in OT systems, industrial networking, automation platforms, and cybersecurity with hands‑on project execution and client‑facing support.

You’ll contribute independently to solution development, root cause analysis, remediation, documentation, and technical discovery. You’ll also serve as a subject matter resource for OT best practices and risk reduction, helping clients and internal teams evaluate technical options and implement solutions that improve performance, reliability, and security.

What do you get?

This role offers the opportunity to work on meaningful, high‑impact OT projects in complex industrial environments, where your technical expertise directly supports secure, reliable, and well‑designed systems. You’ll have the chance to deepen your knowledge across OT architecture, industrial networking, automation, and cybersecurity while working on a variety of client engagements that challenge and expand your skills.

You’ll be part of a team that values strong technical judgment, ownership, and continuous learning, with the opportunity to grow into broader technical leadership over time. In addition, you’ll build trusted relationships with both internal teams and clients, contribute to real‑world solutions, and play an important role in improving the performance, resilience, and security of critical operational systems.

What will you do?
  • 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…
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