Senior Process Engineer

About Us

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 $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

About LJC

LJC Design & Engineering is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design. We are a team of high-energy professionals who share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest minds across development, design, and construction.

The Role We Want You For

The Senior Process Engineer will work with in-house Development, Architecture, and Construction teams to provide Process Engineering/Design and Quality Assurance on projects for our nationwide clients.

The Specifics of the Role

• Provide / lead engineering design in accordance with applicable industry codes and standards for all phases of the process and utility enginele We Want You Forering work.

• Scope out projects and establish a design basis, budget, and schedule.

• Create process flow diagrams (PFD’s), generate material balances, create piping and instrumentation diagrams (P&ID’s).

• Generate equipment datasheets and mechanical equipment specifications for purchasing process equipment.

• Interpret and discuss plant operating data with clients to improve process designs. Designs commonly progress with limited information, requiring engineering judgment and listing assumptions to effectively communicate progress/ risk to the client.

• Evaluate process safety and design safety equipment to ensure safety of personnel and the clients’ assets.

• Use and develop internal tools and process engineering software such as AFT Fathom, AFT Arrow, or HTRI to complete required scopes of work.

• Act as technical SME and quality control reviewer for process design related tasks.

• Ability to utilize ASME and API codes for design of vessels and piping.

Requirements

• Bachelor of Science in Chemical Engineering from an ABET (Accreditation Board for Engineering and Technology) accredited university or college

• Minimum 8-10 years of process chemical engineering experience, preferably in a design firm setting

• PE License preferred to seal engineering documents, with the ability to attain licenses in multiple states

• 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 builder can offer the collaborative design-build approach that Clayco does.

• We work on creative, complex, award-winning, high-profile jobs.

• The pace is fast!

Why Clayco?

• 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
• 2025 ENR Top 400 – Top Data Center Contractor (Top 3).
• 2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
• 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3).

Benefits

• Discretionary Annual Bonus: Subject to company and individual performance.

• Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

• The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.