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OT Systems Engineer, DCS and OT Security

Orion S.A.
Spring, TX Full Time
POSTED ON 6/22/2026 CLOSED ON 7/16/2026

What are the responsibilities and job description for the OT Systems Engineer, DCS and OT Security position at Orion S.A.?

The OT Systems Engineer—DCS and OT Security acts as a subject matter expert on the DCS systems in use at the plants and plays a key role in driving the optimization, integrity and reliability of these systems.

Essential Duties:

  • Program, support, and help maintain control logic, HMI displays, and supporting technology of the DCS (Emerson Delta V) and PLC (Allen-Bradley) systems that are used in the manufacturing process. Maintain all aspects of both hardware and software.
  • Ensure security for installed IT Technology supports plant operations.
  • Troubleshoot advanced abnormal conditions in collaboration with production and maintenance personnel; provide guidance on how to resolve these conditions.
  • Ensure that OT security systems and related system and network architectures are always up to date, secure, and fit for purpose, aligned with recognized cybersecurity standards such as NIST CSF 2.0 and IEC 62443.
  • Maintain and update control system drawings and P&IDs; maintain documentation required as part of the MOC process.
  • Review new technologies and products that can be used to improve or upgrade current systems and hardware.


Qualifications:

  • This position requires a bachelor’s degree in engineering. A focus on chemical or electrical engineering is strongly preferred.
  • At least three years of experience configuring, troubleshooting, and operating DCS (Emerson DeltaV) & PLC (Allen-Bradley) systems in a plant or refinery is required; experience as a console board operator in a process-intensive operation is highly desired.
  • Strong communication, persuasive, and interpersonal skills are required; the successful candidate must be versatile and able to get results in the absence of formal authority.
  • Willing and able to travel up to 50% of the time, often overnight, to plants in Texas, Ohio, and Louisiana.
  • Familiarity with pumps, dryers, ventilators, hydraulics, high-pressure injection, high temperature applications, reactors, and other common types of process equipment is required.


EOE AA M/F/VET/Disability:

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, religion, color, national origin, sex, protected veteran status, disability, or any other basis protected by federal, state or local laws.

Salary.com Estimation for OT Systems Engineer, DCS and OT Security in Spring, TX
$84,841 to $101,599
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