Senior I&C Engineer 6 months contract to hire Downers Grove, IL Job Description: 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. Responsibilities • Technical Leadership • 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. Qualifications • Bachelor's degree in Chemical Engineering, Electrical Engineering, Instrumentation Engineering, or related field (required) • 13+ years of experience in instrumentation and control engineering within the oil & gas or petrochemical industry or power industry. • Extensive experience with refinery, LNG, gas processing, or pipeline control systems • Proven experience leading large-scale EPC or EPCM projects Certifications (Preferred) • Professional Engineer (PE) license Technical Skills • Strong knowledge of DCS/PLC platforms (e.g., Honeywell, Emerson DeltaV, Yokogawa, Siemens, Rockwell) • Expertise in SIS design and SIL determination (IEC 61511 / IEC 61508) • Instrument selection and specification (pressure, flow, level, temperature, analyzers) • Control valve sizing and performance analysis • Industrial networking and communication protocols (Modbus, Profibus, Ethernet/IP, OPC) • Familiarity with IIoT, advanced process control (APC), and digital transformation initiatives Key Competencies • Strategic thinking and technical problem-solving • Strong leadership and decision-making skills • Excellent communication and client-facing abilities • Ability to manage multiple priorities in a fast-paced EPC environment • Commitment to safety, quality, and continuous improvement ESPO Corporation www.espocorp.com 630-789-2525 View all open jobs at www.espocorp.com/jobs Leaders in Technical Recruiting & Staffing since 1965 ESPO has a comprehensive benefits package which includes PTO, Group Health and Dental Insurance, and 401k after you have satisfied the necessary waiting periods. We are an Equal Opportunity Employer and value the benefits of diversity in our workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity and expression, national origin, disability, protected Veteran status, or any other attribute or protected characteristic by law. If you need assistance applying, please get in touch with us directly.