Mechanical Design Engineer (3D Design Focus)

Liberty Personnel Services, Inc.
Irondale, AL

Job Details:

Mechanical Design Engineer (3D Design Focus)

Location: Birmingham, AL (On-site)
Compensation: DOE + Full Benefits
Travel: ~10%

Overview

A growing industrial automation and custom equipment company is seeking a Mechanical Engineer with proven 3D design experience to join its engineering team. This is not an entry-level role —the ideal candidate will be capable of jumping in on day one and owning mechanical design responsibilities across active projects.

This position is highly design-focused and suited for someone who has already worked in a manufacturing, automation, or machinery environment and is comfortable creating production-ready models, drawings, and assemblies without extensive ramp-up time.

What You’ll Be Doing

3D Mechanical Design (Core of the Role)

  • Design complex mechanical systems, assemblies, and components using SolidWorks (or similar CAD)

  • Develop detailed 3D models, fabrication drawings, and fully structured BOMs

  • Create production-ready designs that account for manufacturability, tolerances, and real-world application

  • Own designs from concept through release—this is a hands-on design role, not a support position

Project Execution & Collaboration

  • Work closely with electrical, controls, and applications teams to deliver fully integrated systems

  • Support builds, troubleshooting, and system validation during shop and field phases

  • Assist with installation support and real-time problem solving as needed

Testing & Quality

  • Participate in design reviews, identifying issues before release to production

  • Support FAT/SAT activities and ensure systems meet performance expectations

  • Continuously refine and improve existing designs for efficiency and reliability

Documentation & Communication

  • Maintain clean, organized CAD files and revision control

  • Generate clear technical documentation for internal teams and external stakeholders

  • Communicate effectively with vendors, machinists, and internal build teams

What We’re Looking For

Experience (Non-Negotiable)

  • 3+ years of hands-on mechanical design experience in automation, manufacturing, or industrial equipment

  • Proven ability to independently create complex 3D designs from scratch (not just modify existing models)

Technical Skills

  • Advanced proficiency in SolidWorks or similar 3D CAD platform

  • Strong understanding of mechanical systems, materials, and fabrication methods

  • Experience designing for real-world conditions (assembly, stress, wear, manufacturability)

  • Ability to read and interpret mechanical and electrical schematics

  • Working knowledge of pneumatics, hydraulics, and structural components

Preferred Background

  • Automation systems, robotics, or custom machinery design

  • Experience working closely with shop teams or on prototype builds

  • SolidWorks certifications (CSWA/CSWP) a plus

What This Role Is NOT

  • Not an entry-level or training-heavy position

  • Not a drafting-only role—this is true engineering design ownership

  • Not a sales or customer-facing commercial role

  • Not a project management position (though collaboration is key)

Work Environment

  • Split between engineering office and active shop floor

  • Hands-on involvement with builds, testing, and troubleshooting

  • Occasional travel for system validation or field support (~10%)

Compensation & Benefits

  • $65K – $105K base salary (depending on experience)

  • 401(k) with company match

  • Health, dental, and vision insurance

  • Paid time off

  • Flexible scheduling

Why This Opportunity Stands Out

  • Immediate impact—your designs go straight into production

  • High-visibility role working on custom, non-cookie-cutter equipment

  • Strong collaboration with cross-functional engineering teams

  • Opportunity to grow into senior or lead design roles

To apply, send your resume to [email protected]

Patrick DelGaone

[email protected]

All communications are 100% confidential.

#LI-onsite

#LI-PD1

Posted 2026-03-20

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