Senior Piping Designer: Lead Large-Scale Capital Projects

Harvestaff; Chesterfield (MO); On-site; USD 88,000 - 107,000; Part time

Job summary

HarveStaff LLC in Chesterfield, MO seeks a Senior Piping Designer to lead piping design for large, complex capital projects across sites. You will translate process requirements into safe, maintainable piping systems, provide technical leadership, and coordinate with process, mechanical, civil, electrical, and construction teams.

Responsibilities include developing 3D models, reviewing P&IDs, creating isometrics and BOMs, conducting field walkdowns, ensuring code compliance (ASME B31.3), and

Qualifications

• Minimum 12 years of piping design experience.
• Experience in chemical, agricultural, pharmaceutical, manufacturing, process, or industrial facilities preferred.
• Leading piping design deliverables from concept through construction and startup.
• Advanced piping design and plant layout expertise.
• Proficiency with CAD and 3D modeling software (AutoCAD, Plant 3D, CADWorx, SmartPlant, MicroStation).
• Strong understanding of P&IDs, piping plans, sections, isometrics, and piping deliverables.
• Familiarity with ASME B31.3 and piping codes.

Responsibilities

• Lead piping design activities for large and complex capital projects.
• Develop safe, maintainable, constructible and code-compliant piping layouts and design packages.
• Translate requirements into detailed piping designs.
• Prepare and review 3D models, layouts, isometrics, BOMs, and vendor documentation.
• Develop layouts, material takeoffs, tie-in information, and constructability assessments for estimates.
• Perform field walkdowns to verify conditions and collect measurements.

Skills

Piping design

Project leadership

Field verification

3D modeling

Coordination

Education

Associate Design/Drafting

Engineering degree

Equivalent experience

Tools

AutoCAD

Plant 3D

CADWorx

SmartPlant

MicroStation

Job description

HarveStaff LLC in Chesterfield, MO seeks a Senior Piping Designer to lead piping design for large, complex capital projects across sites. You will translate process requirements into safe, maintainable piping systems, provide technical leadership, and coordinate with process, mechanical, civil, electrical, and construction teams.

Responsibilities include developing 3D models, reviewing P&IDs, creating isometrics and BOMs, conducting field walkdowns, ensuring code compliance (ASME B31.3), and