Senior Mechanical Engineer - Piping for Capital Projects

Harvestaff; Chesterfield (MO); On-site; USD 107,000 - 117,000; Full time

Job summary

HarveStaff LLC in Chesterfield, MO seeks an Expert Level Mechanical Engineer to support a major capital project focused on piping systems. The role includes design, construction, commissioning, and technical oversight to ensure safety and code compliance.

The ideal candidate has 12+ years in mechanical engineering, strong piping knowledge, and experience with CAEPIPE. Travel onsite as project phases dictate, with collaboration across vendors and internal teams.

Qualifications

• 12+ years of engineering experience.
• Broad knowledge of mechanical codes and industry piping standards.
• Expertise in CAEPIPE pipe stress analysis software.
• Experience with piping system installation, startup, and commissioning.
• Strong understanding of piping systems and capital project execution.
• Strong communication, listening, interpersonal, and assertiveness skills.
• Ability to collaborate effectively across all organizational levels.
• Strong HSE and safety-focused mindset.
• Ability to follow applicable safety, engineering, and industry standards.
• Preferred experience with COMPASS pressure vessel modeling software.

Responsibilities

• Support the Lead Mechanical Engineer as part of the project team.
• Develop and review piping layouts, equipment arrangements, piping specifications, and design packages.
• Assist with establishing project design requirements and preparing mechanical/piping discipline estimates.
• Ensure piping designs meet process, operability, maintainability, safety, and applicable code requirements.
• Support development of construction and fabrication packages, including drawings, vendor data, and specifications.
• Assist with project design documentation and closeout activities.
• Support project commissioning, checkout, and startup activities.
• Provide technical oversight of mechanical and piping contractors.
• Collaborate with internal teams, project leadership, contractors, vendors, and other external stakeholders.

Skills

12+ years experience

Piping systems

CAEPipe

Commissioning

Safety mindset

Project execution

Strong communication

Onsite travel

Education

Bachelor’s or Master’s degree in Mechanical Engineering

Tools

COMPASS

Job description

HarveStaff LLC in Chesterfield, MO seeks an Expert Level Mechanical Engineer to support a major capital project focused on piping systems. The role includes design, construction, commissioning, and technical oversight to ensure safety and code compliance.

The ideal candidate has 12+ years in mechanical engineering, strong piping knowledge, and experience with CAEPIPE. Travel onsite as project phases dictate, with collaboration across vendors and internal teams.