Lead the design and specification of instrumentation and control systems including DCS, PLC, SIS, and SCADA systems.
Provide technical oversight for all I&C deliverables, ensuring alignment with client requirements, industry codes, and Zachry standards.
Serve as the primary technical authority for complex and critical control systems, including safety instrumented systems (SIS) and process control strategies.
Review and approve key engineering documents such as instrument datasheets, control narratives, loop diagrams, cause & effect matrices, and P&IDs.
Project Execution
Support all phases of projects (FEED, detailed engineering, procurement, construction, commissioning, and startup).
Collaborate closely with process, mechanical, electrical, and operations teams to ensure integrated system performance.
Interface with clients, vendors, and contractors to resolve technical issues and ensure successful project delivery.
Lead design reviews (HAZOP, SIL, LOPA) and ensure compliance with safety and regulatory requirements.
Standards & Compliance
Ensure designs comply with industry standards and codes including ISA, IEC, API, NFPA, and OSHA regulations.
Support cyber security requirements for industrial control systems (ICS).
Maintain awareness of emerging technologies and apply best practices in digitalization, automation, and control optimization.
Zachry Engineering Corporation is seeking a highly experienced Senior Instrumentation & Control Engineer to lead the design, development, and execution of instrumentation and control systems for complex oil and gas projects. This role requires technical leadership, deep domain expertise, and the ability to mentor multidisciplinary teams while ensuring safe, reliable, and cost-effective project delivery.
The Senior I&C Engineer will serve as a subject matter expert (SME), driving engineering excellence across upstream, midstream, and downstream projects including refineries, petrochemical plants, and power plants.
Numbers & Facts
Location
Downers Grove, IL
Skills
Automationunmatched
Best Practicesunmatched
C Programming Languageunmatched
Commissioningunmatched
Control Engineeringunmatched
Control Systemsunmatched
Cross-Functionalunmatched
Customer Relationsunmatched
Datasheetsunmatched
Distributed Control Systems (DCS)unmatched
Electricityunmatched
Emerging Technologyunmatched
Engineering Procurement and Construction (EPC/EPCC/EPCM)unmatched
Front-End Engineering Design (FEED)unmatched
HAZOP (Hazard and Operability Analysis)unmatched
ISA Standardsunmatched
Industry Standardsunmatched
Instrumentationunmatched
Instrumentation Engineeringunmatched
International Electro-Technical Commission (IEC)unmatched
Internet Securityunmatched
LOPA (Layers of Protection Analysis)unmatched
Maintain Complianceunmatched
Mentoringunmatched
National Fire Protection Association (NFPA)unmatched
OSHAunmatched
Oil and Gasunmatched
Petrochemicalsunmatched
Power Plantunmatched
Problem Solving Skillsunmatched
Process Control Engineeringunmatched
Programmable Logic Controller (PLC)unmatched
Project Executionunmatched
Regulationsunmatched
Regulatory Complianceunmatched
Regulatory Requirementsunmatched
Safety Complianceunmatched
Safety Systemsunmatched
Startupunmatched
Supervisory Control and Data Acquisition (SCADA)unmatched
System Integration (SI)unmatched
Technical Leadershipunmatched
Vendor/Supplier Relationsunmatched
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