DCS & Process Control Engineer — Refinery Modernization

Parpacific; Billings (MT); Hybrid; USD 110,000 - 160,000; Full time

Benefits offered by this job

Medical, dental and vision insurance

401(k) with company match

Educational reimbursement

Employee Stock Purchase Program

Paid time off

Job summary

Par Pacific is seeking a Control Systems Engineer in Billings, MT to advance process control systems and OT infrastructure in a growth-focused energy company. You will lead ongoing DCS work, migration projects, and cybersecurity in a continuous-process environment.

Reporting to the Director, OT, you’ll serve as a technical resource on DCS/PLC integration, work with vendors and contractors, and help develop standards and lifecycle plans for reliable operations.

Qualifications

• Bachelor's degree in a technical field or equivalent experience.
• 3+ years with Honeywell TDC-3000 architecture, configuration, maintenance and troubleshooting.
• Experience supporting DCS platforms in refinery/continuous-process environments.
• Ability to independently troubleshoot complex DCS, software, networking and integration problems.
• Understanding of PLC architecture, I/O, communications, and DCS/PLC integration.
• Knowledge of industrial protocols such as Modbus, Modbus TCP, OPC, Ethernet/IP and serial.
• Experience with Windows Server, AD, virtualization, backups, and OT infrastructure.
• Understanding of industrial cybersecurity in process control environments.

Responsibilities

• Serve as the primary technical resource for the Honeywell TDC-3000 DCS.
• Troubleshoot DCS hardware, software, networking, communications, and integration issues.
• Lead DCS configuration changes, control strategy modifications, graphics development, upgrades, and lifecycle improvements.
• Support refinery migration from Honeywell TDC-3000 to Emerson DeltaV.
• Troubleshoot integration between DCS, PLCs, SIS, analyzers, historians, and other systems.
• Support refinery OT infrastructure, including servers, workstations, networks, firewalls, virtualization, and backups.
• Apply industrial cybersecurity and defense-in-depth practices to control system environments.
• Lead or support capital projects, shutdowns, upgrades, FATs, SATs, commissioning, startup activities.
• Provide technical direction to vendors, contractors, technicians, and engineers.
• Develop system standards, documentation, backup strategies, disaster recovery procedures, and lifecycle plans.

Skills

DCS troubleshooting

Industrial cybersecurity

PLC/ DCS integration

System diagnostics

Education

Bachelor’s degree in Electrical Engineering / Chemical Engineering / Computer Engineering / Computer Science / IT

Equivalent experience considered

Tools

Honeywell TDC-3000

Emerson DeltaV

Triconex SIS

Windows Server

Job description

Par Pacific is seeking a Control Systems Engineer in Billings, MT to advance process control systems and OT infrastructure in a growth-focused energy company. You will lead ongoing DCS work, migration projects, and cybersecurity in a continuous-process environment.

Reporting to the Director, OT, you’ll serve as a technical resource on DCS/PLC integration, work with vendors and contractors, and help develop standards and lifecycle plans for reliable operations.