Senior I&C Engineer - Oil & Gas EPC Lead

System One, Inc.; Downers Grove (IL); On-site; USD 165,000 - 248,000; Full time

Benefits offered by this job

Health insurance

Job summary

System One, Inc. in Downers Grove, IL seeks a Senior Engineer, I&C to lead the design, development, and execution of instrumentation and control systems for complex oil and gas projects.

This onsite contract role requires technical leadership, deep domain expertise, and the ability to mentor cross-disciplinary teams. You will own the design of DCS, PLC, SIS, and SCADA, provide technical oversight, review key documents, and drive safety-critical reviews (HAZOP, SIL, LOPA).

Qualifications

• Bachelor's degree in Chemical, Electrical or Instrumentation Engineering.
• 13+ years of instrumentation and control engineering experience in oil & gas, petrochemical, or power.
• Extensive experience with refinery, LNG, gas processing, or pipeline control systems.
• Proven experience leading large-scale EPC or EPCM projects.
• Professional Engineer (PE) license.
• Strong knowledge of DCS/PLC platforms (Honeywell, Emerson DeltaV, Yokogawa, Siemens, Rockwell).
• Expertise in SIS design and SIL determination (IEC 61511 / IEC 61508).
• Industrial networking protocols knowledge (Modbus, Profibus, Ethernet/IP, OPC).
• Familiarity with IIoT, APC, and digital transformation initiatives.
• Excellent communication and client-facing abilities.

Responsibilities

• Lead design and specification of instrumentation and control systems (DCS, PLC, SIS, SCADA).
• Provide technical oversight for all I&C deliverables per client requirements, codes, and standards.
• Serve as the primary technical authority for SIS, safety systems, and control strategies.
• Review instrument datasheets, control narratives, loop diagrams, P&IDs.
• Support all project phases from FEED to startup.
• Collaborate with process, mechanical, electrical, and operations teams.
• Interface with clients, vendors, and contractors to resolve technical issues.
• Lead design reviews (HAZOP, SIL, LOPA) ensuring safety and regulatory compliance.
• Ensure designs meet ISA, IEC, API, NFPA, OSHA standards.
• Support cyber security requirements for ICS.

Skills

Leadership

Decision-making

Client-facing

Cyber security awareness

Mentoring

Strategic thinking

Communication

Problem-solving

Safety-conscious

Project oversight

Education

Professional Engineer (PE) license

Bachelor's degree in Chemical Engineering, Electrical Engineering, Instrumentation Engineering

Tools

Honeywell DCS

Emerson DeltaV

Yokogawa

Siemens

Rockwell

Job description

System One, Inc. in Downers Grove, IL seeks a Senior Engineer, I&C to lead the design, development, and execution of instrumentation and control systems for complex oil and gas projects.

This onsite contract role requires technical leadership, deep domain expertise, and the ability to mentor cross-disciplinary teams. You will own the design of DCS, PLC, SIS, and SCADA, provide technical oversight, review key documents, and drive safety-critical reviews (HAZOP, SIL, LOPA).