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Senior Process Engineer, Chemical

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Clayco
Full Time position
Listed on 2025-12-03
Job specializations:
  • Engineering
    Process Engineer, Manufacturing Engineer
Job Description & How to Apply Below
Location: St. Louis

Clayco is a full‑service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $5.8 billion in revenue for 2023, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

Clayco Design and Engineering (CDE) was created to diversify and grow Clayco’s industrial business unit’s capabilities with a focus on efficiently delivering robust design‑build architectural and engineering solutions. The Clayco Design and Engineering team brings a tremendous amount of engineering expertise to the Clayco enterprise from a wide array of industrial segments such as food & beverage, consumer products, manufacturing, and life‑science products.

The Role We Want You For

The Senior Process Engineer will assist and support the process engineering design on projects with a focus on the Life Sciences (pharmaceutical, biological, and research laboratory), Advanced Technology (semiconductor and controlled‑environment manufacturing systems), and Industrial markets for our nationwide clients.

The Specifics of the Role
  • Recognized industry experience with proficiency in, but not limited to, the design and troubleshooting of clean utility systems from initial concept through detail design, installation, and commissioning.
  • Experience in advanced technology, industrial and utility areas is a plus.
  • Act as a technical SME point of contact for all process design related queries from A/E firm and client.
  • Hygienic piping design experience with detailed understanding of ASME Boiler & Pressure Vessel Code – Section VIII, ASME B31.3 – Process Piping Code, ASME-BPE standards, and ASTM pipe/tubing standards A269/270.
  • Knowledgeable with ISPE Baseline, Good Practice Guides, and industry standards for Water & Steam Systems, Process Gases, and Commissioning & Qualification related to these systems.
  • Experience with Clean‑in‑Place and Steam‑in‑Place system design and integration into multi circuit systems, startup and troubleshooting.
  • Experience with unit operations to generate, store, and distribute WFI, CS, filtered compressed gases for new and operating biopharmaceutical applications.
  • Familiarity with key suppliers for hygienic utilities components, including diaphragm valves, Ported/POU Valves, Sterile Ball Valves, Sanitary fittings, process instrument specifications, and typical process piping component selection.
  • Experience performing calculations and reporting mass balances, capacity analysis, piping designs and integration with typical biopharmaceutical unit operations.
  • Proficiency with Simulation software, piping software, 3D tools.
Requirements
  • Bachelor of Science in Chemical Engineering or Mechanical Engineering from an ABET (Accreditation Board for Engineering and Technology) accredited university or college.
  • PE License preferred to seal engineering documents, with the ability to attain licenses in multiple states.
  • 10+ years of engineering design experience in GMP, FDA or other regulated industrial manufacturing environments.
  • Experience in a variety of pharmaceutical projects, including API, OSD, and Aseptic Fill/finishing.
  • Broad experience in the design, construction, and/or operation of hygienic/sanitary processing plants with specific knowledge of owner requirements, industry trends and governmental regulations.
  • Experience working on large capital projects for clients in various industries.
  • Knowledgeable with computer software (i.e., Microsoft Word, Excel, PowerPoint, AutoCAD).
  • Strong analytical and problem‑solving skills with attention to detail.
  • Operations, process start‑up, or construction experience preferred.
  • Prior experience in a process development role for developing new processes and products is preferred.
  • Experience in process safety and conducting process hazards analysis (PHA’s) and hazard and operability studies (HAZOP’s) preferred.
  • Ability to communicate and deliver in a fast‑paced environment.
Some Things You Should Know
  • No other…
Position Requirements
10+ Years work experience
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