Senior Controls Engineer – DCS/SIS/PLC (Siemens S7)

WCL Group

Salt Lake City (UT)

On-site

USD 69,000 - 77,000

Full time

14 days+

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Job summary

WCL Group is seeking an experienced Controls Engineer IV for on-site support in Salt Lake City, UT. The role centers on Siemens S7 PLC platforms within refinery-like environments, ensuring safe, compliant operations and system reliability.

You will maintain DCS/SIS/PLC systems, handle patching, alarms, and backups, and provide secondary support for Allen-Bradley PLCs. A strong on-site presence and 8–10 years of experience are required.

Qualifications

8–10 years of experience in controls engineering or a similar role.
Experience with Siemens S7 PLC systems in refinery/industrial environments.
Experience supporting DCS/SIS/PLC environments in energy or chemical processes.

Responsibilities

Maintain and support DCS, SIS, and PLC systems with focus on Siemens S7 platforms.
Assist with system health checks, patching, and backups; manage graphics and alarms.
Support PLCs (Siemens S7 primary; Allen-Bradley secondary) and SIS systems; coordinate testing and validation.
Provide on-call support to ensure reliability and rapid response to issues.
Coordinate lifecycle activities and documentation per procedures.