Hello,
Hope you are doing well,
Role: Controls Systems Engineer (DCS / SIS / PLC) || W2 only
Location: Salt Lake City, UT (Onsite)
Duration: Approximately 10 Months (potential for extension)
Overview
We are seeking an experienced Controls Systems Engineer to provide onsite support for critical refinery control systems. This individual will play a key role in maintaining the safety, reliability, and performance of Distributed Control Systems (DCS), Safety Instrumented Systems (SIS), and Programmable Logic Controllers (PLC) supporting refinery operations, with a primary focus on
Siemens S7 PLC platforms and hydrogen processing units.
This position will support day-to-day operations, troubleshooting, system lifecycle management, compliance activities, and minor capital project execution within a highly regulated industrial environment.
Key Responsibilities
Control Systems Operations & Support
- Support and maintain refinery DCS, SIS, and PLC systems to ensure reliable plant operations.
- Monitor and maintain system health, database integrity, historian applications, backups, and system performance.
- Perform server maintenance activities including patching, reboot management, and system administration tasks.
- Configure and maintain operator graphics, alarms, control points, and related system components.
- Troubleshoot PLC logic issues and implement approved updates and configuration changes.
Safety Instrumented Systems (SIS)
- Support SIS lifecycle management activities and annual testing programs.
- Coordinate testing schedules and documentation efforts.
- Participate in Factory Acceptance Testing (FAT) activities.
- Perform basic logic validation and troubleshooting of safety systems.
- Assist with spare parts and inventory management for critical SIS components.
Instrumentation & Integration Support
- Support routine instrument troubleshooting and maintenance activities.
- Troubleshoot third-party control and monitoring devices, including systems such as Woodward and Trisen.
- Maintain and troubleshoot control system integrations and data transfer logic between systems.
Network & Infrastructure Support
- Maintain control network integrity and reliability.
- Administer IP address management within DCS, SIS, and PLC environments.
- Support servers, application nodes, thin clients, and wireless I/O infrastructure.
- Assist with hardware, connectivity, and control system infrastructure troubleshooting.
Reporting, Monitoring & Compliance
- Generate and maintain alarm management metrics and performance reports.
- Configure and support system alerting and monitoring tools.
- Execute work in compliance with Management of Change (MOC) procedures.
- Document system changes, troubleshooting activities, and configuration updates according to company standards.
Lifecycle Management & Project Support
- Support control system upgrades, migrations, obsolescence planning, and reliability improvement initiatives.
- Implement minor control system modifications, including new control strategies and equipment integrations.
- Perform functional testing, commissioning support, and validation activities.
- Collaborate with operations, maintenance, engineering, and reliability teams on continuous improvement projects.
On-Call Support
- Participate in on-call support rotations to ensure rapid response to critical operational issues and system outages.
Required Qualifications
- 8+ years of experience supporting industrial control systems in refinery, petrochemical, oil & gas, or similar process manufacturing environments.
- Hands-on experience with Siemens S7 PLC systems.
- Experience supporting DCS, SIS, and PLC environments in an operational facility.
- Strong troubleshooting skills across control systems, instrumentation, and industrial networks.
- Experience with control system lifecycle management, testing, and system upgrades.
- Working knowledge of Management of Change (MOC) processes and process safety practices.
Preferred Qualifications
- Experience with Allen-Bradley PLCs.
- Experience supporting refinery operations or hydrogen processing units.
- Familiarity with alarm management programs and performance reporting.
- Exposure to Factory Acceptance Testing (FAT), commissioning, and system validation activities.
- Knowledge of industrial networking, virtualization, and control system infrastructure.
What We're Looking For
- Strong analytical and troubleshooting abilities.
- Ability to work independently in a fast-paced operational environment.
- Excellent communication and collaboration skills.
- Commitment to safety, reliability, and operational excellence.
- Ability to effectively prioritize workload and respond to production-critical issues.
This is an excellent opportunity for a seasoned controls professional to support complex refinery operations while contributing to the reliability, safety, and continuous improvement
Thanks,
Sudhanshu Srivastava
Email - [email protected]