Mechanical Design Engineer

Kelley Engineering, LLC; Piedmont (SC); On-site; USD 90,000 - 130,000; Full time

Job summary

Kelley Engineering, LLC in Piedmont, SC seeks a Senior Mechanical Design Engineer to lead complex design projects from concept through implementation. You will create and review 3D CAD models and detailed drawings, perform FEA and stress analyses, and collaborate with cross-functional teams to optimize layouts and production tooling.

You will mentor junior engineers, manage project timelines, and ensure safety, performance, and quality standards while coordinating with manufacturing and field

Qualifications

• Strong mechanical design skills for machinery, fixtures and custom equipment.
• Experience with 3D CAD modeling and detailed drawings for industrial systems.
• Experience with engineering analysis including FEA, stress and fatigue evaluation.
• Experience with production and facility support, layouts, material handling, throughput optimization.
• Familiarity with controls and factory automation and collaboration with controls engineers.
• Project management experience: planning, scheduling, coordinating commissioning and installation.
• Ability to develop technical documentation such as maintenance manuals and training plans.
• Leadership or mentoring responsibilities in prior roles.

Responsibilities

• Lead mechanical design projects from concept through implementation.
• Create and review detailed 3D CAD models and drawings.
• Perform engineering analyses such as FEA and stress/fatigue evaluation.
• Collaborate with cross-functional teams to optimize layouts, material handling, and throughput.
• Coordinate with manufacturing and field teams for installation, commissioning, and troubleshooting.
• Mentor less experienced engineers and manage project timelines and deliverables.
• Ensure designs meet safety, performance and quality standards.

Skills

Mechanical design

3D CAD modeling

Detailed drawings

FEA analysis

Stress & fatigue evaluation

Production & facility support

Layouts & material handling

Throughput optimization

Controls integration

Project management

Technical documentation

Mentoring & leadership

Education

Bachelor’s degree in Mechanical Engineering

Tools

NA

Job description

Company Description Kelley Engineering, LLC provides comprehensive engineering design and manufacturing support services, specializing in machine design, site and production layouts, and material handling solutions. The team offers expertise in product development and optimization, 3D CAD modeling, FEA analysis, and controls and factory automation to improve throughput and operational efficiency. In addition to engineering services, Kelley Engineering delivers custom equipment, fixtures and tooling support, and full production builds, backed by experienced craftsmen with strong hands-on skills. The company also supports clients with commissioning and installation, maintenance manuals and training plans, and preventative maintenance and repair. Additional capabilities include boiler house operations consulting and HVAC and fluid systems analysis and optimization, giving applicants exposure to a wide range of industrial and facility systems.

Role Description

The Senior Mechanical Design Engineer is a full-time, on-site role based in Piedmont, SC. This position is responsible for leading mechanical design projects from concept through implementation, including machine design, custom equipment development, and production tooling. Day-to-day tasks include creating and reviewing detailed 3D CAD models and drawings, performing engineering analyses such as FEA, and collaborating with cross-functional teams to optimize layouts, material handling, and throughput. The engineer will coordinate with manufacturing and field teams to support installation, commissioning, and troubleshooting of equipment, as well as contribute to maintenance documentation and training materials. The role also involves mentoring less experienced engineers, managing project timelines and deliverables, and ensuring designs meet safety, performance, and quality standards.

Qualifications

• Candidates should possess strong mechanical design skills, including experience with 3D CAD modeling and detailed drawing creation for machinery, fixtures, and custom equipment.
• Candidates should possess capabilities in engineering analysis, such as FEA, stress and fatigue evaluation, and practical application of mechanical design principles and industry standards.
• Candidates should possess experience in production and facility support, including site and production layouts, material handling solutions, and throughput and process optimization.
• Candidates should possess familiarity with controls and factory automation, including collaboration with controls engineers and understanding of integrated mechanical and automation systems.
• Candidates should possess skills in project management, including planning, scheduling, coordinating commissioning and installation activities, and communicating with internal teams and clients.
• Candidates should possess ability to develop technical documentation, such as maintenance manuals, training plans, and clear instructions supporting preventative maintenance and repair.
• Relevant qualifications include a bachelor’s degree in Mechanical Engineering or a closely related field, and several years of progressive experience in mechanical design for industrial or manufacturing environments.
• Additional beneficial qualifications include experience with HVAC and fluid systems, boiler house operations, familiarity with safety and regulatory standards, and prior leadership or mentoring responsibilities.