DCS Engineer Onsite Houston PLC/HMI Expert

System One, Inc.; Houston (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

System One seeks a DCS Engineer in Houston, TX to lead process-control initiatives across multiple sites. This onsite role will own maintenance, lifecycle planning, and project support, coordinating with internal teams and external vendors.

You will program and maintain HMI/PLC systems, manage hardware scope, and optimize alarm and process-control strategies. A chemical/petrochemical background is a plus, with 5–7 years of automation experience.

Qualifications

• Bachelor's degree in Chemical, Electrical, or Industrial Engineering, with coursework or emphasis in Process Control or Systems Engineering preferred.
• 5–7 years of industrial automation experience, including on-site work experience.
• Experience programming HMI, PLC, or process controllers. Hands-on experience with Allen-Bradley ControlLogix, Studio 5000, Rockwell PlantPAx with FactoryTalk, or ABB Infi 90 preferred.
• Proficiency with Microsoft Office, especially Excel.
• Chemical or petrochemical manufacturing experience is highly desirable.

Responsibilities

• Serve as the primary focal point for process-control scope at multiple sites, owning control-system maintenance, lifecycle planning, infrastructure standards, and project support.
• Coordinate with internal stakeholders, automation providers, and external resources to ensure site priorities are aligned.
• Own maintenance and lifecycle planning for control systems, servers, workstations, controllers, I/O modules, PLCs, and HMIs.
• Plan and execute upgrades, modifications, and shutdown work to maintain system integrity.
• Manage relationships with Rockwell Automation, ABB, vendors, and contractors for external support.
• Maintain the site's master I/O database and process control infrastructure specifications.
• Coordinate testing of interlock and safeguarding systems with Mechanical Integrity and Process Safety teams.
• Develop process-control strategies and narratives for projects, modifications, and vendor controls.
• Define hardware scope, review, and approve process-control deliverables for large projects.
• Modify alarm system setpoints and priorities to optimize operations.
• Support loop sheets, junction-box capacity and troubleshooting, instrument configuration, and wiring specifications.
• Assist with electrical equipment interfacing, motor control centers, and instrumentation scoping and selection as needed.

Skills

Industrial automation

HMI/PLC programming

Rockwell/ABB control systems

Excel proficiency

Education

Bachelor's degree in Chemical, Electrical, or Industrial Engineering

Tools

Studio 5000

FactoryTalk

Rockwell PlantPAx

ABB Infi 90

Job description

System One seeks a DCS Engineer in Houston, TX to lead process-control initiatives across multiple sites. This onsite role will own maintenance, lifecycle planning, and project support, coordinating with internal teams and external vendors.

You will program and maintain HMI/PLC systems, manage hardware scope, and optimize alarm and process-control strategies. A chemical/petrochemical background is a plus, with 5–7 years of automation experience.