Senior Instrumentation & Control Engineer

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.

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.

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.

Professional Engineer (PE) license

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

At Zachry Engineering, we deliver innovative engineering solutions that power the energy industry. Our teams are driven by a commitment to safety, integrity, and excellence. As a Senior I&C Engineer, you will play a critical role in shaping the future of energy infrastructure while working on some of the industry’s most complex and impactful projects.

PHYSICAL DEMANDS Employee will be required to communicate in person, via telephone, email, use of arm/hand steadiness, manual dexterity, finger dexterity, multi limb coordination, oral expression, and comprehension. May be required to lift, carry, and move objects safely.

WORK ENVIRONMENT Will work in a general office environment. Capable of operating and functioning in a fast-paced work environment. Must possess a vision (corrected or uncorrected) that allows for clear visibility from a distance of 20 inches or less. Hybrid or office based depending on project needs. Occasional travel to client sites, fabrication yards, or operating facilities

Zachry Group is dedicated in providing a Safe and Drug Free work environment; and is an Equal Opportunity Employer.

In accordance with Illinois Equal Pay Act, the expected salary range for this Illinois position, Principal Instrumentation & Control Engineer is between $148,600 and $202,400 annually. Actual pay will be adjusted based on experience, geographic location, and other job-related factors as permitted by law.

This position Senior Instrumentation & Control Engineer is eligible for participation in Zachry’s Total Employee Rewards Program, which includes medical, dental, vision, life insurance, disability coverage, and other ancillary benefits. This position is also eligible for participation in the 401(k) Retirement Savings Plan.