Back US - Mechanical Engineer (Expert) Mechanical Engineer Chesterfield , MO Contract Sep 30, 2026 Senior Mechanical Engineer - Piping Systems & Capital Projects Location Kansas City, Missouri area chemical facility with additional project support in Chesterfield, MO Preference for candidates located in the Kansas City or St. Louis area Travel and onsite requirements will increase by project phase, ranging from periodic site visits during design to 4-5 days per week during final startup and commissioning Long-term assignment anticipated from November 2026 through October 2029 Overview This opportunity supports a leading global industrial and chemical manufacturing organization executing a major capital project. The Senior Mechanical Engineer will support the Lead Mechanical Engineer with piping system design, pipe stress analysis, construction execution, and commissioning while ensuring designs meet process, safety, operability, maintainability, and engineering standards. Must-Have Domains Piping Systems Engineering & Pipe Stress Analysis Chemical / Process Plant Engineering Capital Project Execution & Commissioning Core Responsibilities Support the development and technical review of piping layouts, equipment arrangements, piping specifications, and mechanical design packages in accordance with applicable codes and site standards. Perform and support piping system engineering and pipe stress analysis, including advanced use of CAEPIPE. Develop mechanical and piping design requirements, discipline estimates, drawings, specifications, vendor documentation, and construction/fabrication packages. Provide technical oversight of mechanical and piping contractors while supporting construction, field installation, project documentation, and engineering closeout. Support piping system startup, commissioning, and checkout while resolving field issues and ensuring compliance with process, operability, maintainability, safety, and HSE requirements. Must-Have Experience 12+ years of mechanical engineering experience with significant experience in piping systems and capital project execution. Demonstrated experience with piping system design, applicable mechanical codes and industry piping standards, and CAEPIPE pipe stress analysis. Hands-on experience supporting piping installation, construction, startup, commissioning, and contractor technical oversight in industrial or chemical facilities. Top 5 Must-Have Technical Skills CAEPIPE Pipe Stress Analysis Piping System Design & Engineering Mechanical Codes & Industry Piping Standards Piping Layouts, Specifications & Construction Packages Piping Installation, Startup & Commissioning Education Bachelor's or master's degree in Mechanical Engineering Preferred Skills

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pressure vessel modeling software Chemical or process manufacturing facility experience Capital project estimating and mechanical discipline planning Equipment arrangement and piping layout review Vendor data and technical specification review Experience coordinating mechanical and piping contractors Strong communication and collaboration across engineering, construction, leadership, and external partners Kansas City or St. Louis area residency Work Environment Project-based role supporting a chemical manufacturing facility in the Kansas City, Missouri area Onsite requirements vary significantly by project phase Design phase may require approximately two Kansas City site visits per month Construction phase is expected to require regular onsite support, including approximately one day per week in Chesterfield Final startup and commissioning may require onsite presence 4-5 days per week for approximately the final 3-4 months Safety-focused environment requiring adherence to HSE, engineering, and site standards Apply Now Share This Post