Safety Instrumented Systems Engineer

The Safety Instrumented Systems (SIS) Engineer provides engineering expertise to ensure the safe and reliable management of SIS at the Lake Charles refinery throughout the ISA / IEC 61511 lifecycle. The SIS Engineer reports to the refinery SIS Engineering Supervisor.

Responsibilities

• Track and analyze SIS performance through a KPI program. Leverage insight from KPIs to identify improvement opportunities for the SIS program.
• Participate in investigations of SIS events including failures, demands, and spurious trips.
• Serve as technical escalation point to support Operations, Maintenance, & Automation departments with troubleshooting SIS-related concerns.
• Support capital project teams as needed to guide the development of SIS design documentation.
• Support PSM by serving as subject matter expert for SIS and instrumentation during HAZOPs and LOPA when needed.
• Review QRA content to verify that functional safety objectives have been met.
• Lead and participate in Functional Safety Assessments (FSAs) for both new and existing SIS.
• As needed, update and / or create SIS documentation including but not limited to Safety Requirements Specification (SRS), SIL calculations, test procedures.
• Support T / A scope development as needed for SIS.
• Serve as subject matter expert for SIS when evaluating management of change (MOC) requests.
• Participate in audits related to SIS, including Mechanical Integrity, PSM, and others as needed.
• Author Engineering Work Requests (EWRs) for larger capital efforts, leveraging justification from risk assessments and company standards.
• Apply instrumentation and SIS expertise to design decisions impacting SIS reliability.
• Work alongside Automation department to ensure that SIS application programs meet the respective SRS requirements.
• Participate on ad hoc inter-departmental teams to support business needs.

Minimum Qualifications

Preferred Qualifications

Seniority level

Employment type

Industry

Note : This description reflects responsibilities and qualifications for the SIS Engineer role and may include site-specific assignments.

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