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Electrical Engineer EIC in Saint Louis

Job DescriptionJob Description Design the control systems behind real production facilities. Cortex is a full-discipline engineering, procurement, and construction management firm serving food and beverage, chemical, pharmaceutical, manufacturing, and heavy industrial clients. We're looking for a Controls Engineer to design and deliver electrical controls and instrumentation packages, from the drawing board to the plant floor. What you'll do

  • Design control panels, electrical schematics, and networking details in AutoCAD
  • Develop, test, and troubleshoot PLC and HMI programming
  • Research and analyze client requests, then help shape the right solution
  • Work alongside our electrical and mechanical engineers to design integrated systems
  • Take part in project planning, cost development, and scheduling
  • Talk directly with clients, vendors, and stakeholders
  • Troubleshoot electrical systems in the field, including on-site time in client facilities

What you bring

  • Bachelor's degree in Electrical or Controls Engineering (or a related field)
  • 2+ years of experience in controls or instrumentation design
  • Working knowledge of PLC, HMI, and DCS system design
  • Understanding of control system networking and process control instrumentation
  • Ability to read and critically evaluate drawings, schematics, and system designs
  • Strong communication skills, since you'll work closely with both teammates and clients
  • Comfort managing tight deadlines without sacrificing quality
  • Proficiency in Excel, Word, PowerPoint, and Bluebeam

Nice to have

  • Experience in a factory or manufacturing environment
  • Familiarity with GMP environments

What to expect

  • Travel: 25-35%, with occasional embedded time at client sites, including active factory floors
  • A team that values collaboration and a chance to work across industries rather than on one product line

Why Cortex

  • Health coverage: Medical, dental, and vision plans for you and your family.
  • Financial protection: Company-paid life insurance, plus short-term and long-term coverage.
  • Retirement: A 401(k) with an employer match.
  • Time off: Paid vacation and sick time.
  • Pet insurance: Coverage for your four-legged family members.
  • Variety of work: You'll work across food and beverage, chemical, pharma, manufacturing, and heavy industrial projects instead of being tied to one product line.

Electrical Engineer EIC in Saint Louis

St Louis, OK
Full time

Published on 10/19/2026

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