ICSS Engineer
Core
Maintenance, troubleshooting, diagnostics, configuration support, testing, and restoration of DCS, SIS, and PLC-based control systems to ensure system availability and safe return to service.
Role type
Senior IC Instrumentation and Control Systems (ICSS) Engineer
Builds
Reliable industrial control systems for oil & gas and petrochemical facilities (via careerplan.io/jobs/B5-008-39-376-icss-engineer)
Domain
Oil & Gas / Petrochemical / Industrial Automation
Required skills
DCS/SIS/PLC hardware and software troubleshooting, controller and I/O module maintenance, communication network diagnostics, system backup and restoration, alarm and interlock verification, loop checks, FAT/SAT commissioning, failure analysis, MOC and change control procedures, technical documentation
Preferred skills
Experience with OPC, Modbus, historian, and third-party system interfaces, RCA and reliability improvement recommendations, coordination with OEMs and specialist vendors
Technologies
DCS, SIS, PLC, OPC, Modbus, Historian
Responsibilities
Perform diagnostics, troubleshooting, and maintenance of DCS, SIS, and PLC hardware and software; Maintain and troubleshoot controllers, I/O modules, communication networks, servers, and operator/engineering stations; Support hardware replacement, configuration changes, upgrades, and system restoration; Verify controller redundancy, I/O health, communication links, and system performance; Perform and maintain system backups, restoration, and configuration records; Support alarm, interlock, Cause & Effect, and control-logic verification; Troubleshoot and maintain OPC, Modbus, historian, and third-party system interfaces; Perform loop checks, functional testing, Cause & Effect testing, and post-maintenance verification; Support FAT, SAT, commissioning, start-up, shutdown, and controlled return-to-service activities; Conduct RCA and failure analysis and recommend reliability improvements; Implement approved configuration changes in accordance with MOC and change-control procedures; Maintain technical documentation including test records, backups, configuration records, failure reports, and CMMS close-out; Coordinate with Operations, Maintenance, Engineering, OEMs, and specialist vendors for technical issues; Support emergency troubleshooting and safe recovery of critical ICSS functions; Comply with PTW, LOTO, HSE, cybersecurity, and ICSS management procedures
Seniority
Senior, hands-on IC