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Senior Instrumentation and Controls Engineer

Nexus Engineering Group
Oak Brook, IL Full Time
POSTED ON 12/16/2025
AVAILABLE BEFORE 2/16/2026

The Senior Instrumentation & Controls Engineer is responsible for managing client projects and for assuring high quality and timely completion of engineering designs and reports. The Senior I&C Engineer should be comfortable interfacing with the clients, visiting clients’ facilities and performing physical work such as walking, stooping, kneeling and climbing stairs/ladders. Key responsibilities include technical calculations and preparation of I&C deliverables.

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Responsibilities
  • Collection and presentation of key data/information
  • Instrument technical specifications and ISA data sheets
  • Instrument installation details
  • Instrument location plans
  • Control wiring and loop diagrams
  • P&IDs in regard to instrument and control philosophy
  • I/O requirements for DCS and PLC systems
  • Review of vendor drawing submittals
  • Technical calculations (e.g. control valve sizing)
  • Technical evaluation of bids
  • Assistance in field work
  • Support of construction and startup/commissioning activities


Qualifications
  • 5 Years of Engineering Experience
  • Experience in refinery or a continuous process chemical plant is a plus
  • P&ID understanding
  • Working knowledge of Microsoft Office products
  • Familiarity with typical I&C drawings (Loops, Cabinet Layout/Wiring etc.)
  • Working knowledge of process field instrumentation
  • Project lead experience developing engineering schedules, budgets and forecasts
  • Excellent verbal and written communication skills
  • Ability to work effectively in teams and to present a positive image to clients
  • Working knowledge of AutoCAD and 3-D CAD a plus
  • Engineering design tools and calculations
  • Knowledge of Industry Standards (ISA, PSM, etc.)


Education/Certification Requirements
  • BS Degree in Chemical or Electrical Engineering
  • Advanced degree, and/or P.E. certification a plus
  • Active participation in professional organizations a plus


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Competitive Benefits

Learn more about our competitive benefits in detail.


Why Nexus?

Nexus Engineering Group, a distinguished independent full-service engineering, procurement, and construction management (EPCM) firm, provides comprehensive support to clients from concept through startup. With over a decade of demonstrated engineering and design success, Nexus stands out as the firm of choice for those valuing integrity and expertise.


At Nexus, you will be part of a talented and passionate team dedicated to excellence and innovation. We foster a collaborative and engaging work environment, making it a place where you’ll enjoy contributing to impactful projects. Joining Nexus means aligning with a firm renowned for its creativity, dedication, and relentless focus on achieving client goals.


Nexus Engineering Group, Inc. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.


Third-Party Recruiting Policy

Learn more about our third-party recruiting policy.




Salary.com Estimation for Senior Instrumentation and Controls Engineer in Oak Brook, IL
$116,108 to $142,991
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