Senior Custom Machine Design Engineer – CAD/Automation

Trinity Employment Specialists; San Antonio (TX); On-site; USD 120,000 - 141,000; Full time

Job summary

Trinity Employment Specialists is hiring a Custom Machine Design Engineer to lead the design, procurement, and commissioning of custom machinery, including CNC winders and hydraulically or electrically driven systems.

The role requires 5–10+ years of experience, proficiency in SolidWorks and AutoCAD, and strong skills in DFM, tolerance analysis, and boilerplate mechanical design. On-site in San Antonio, TX with occasional travel.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field; Master's preferred.
• 5–10+ years in custom equipment design, ideally in composite manufacturing.
• Full project or machine system ownership from concept to commissioning.
• Proficient in AutoCAD and SolidWorks for fabrication drawings and BOMs.
• Experienced with shop fabrication, machining, hydraulics, automation, PLC systems, DFM, structural/thermal calculations, and tolerance analysis.
• Experience with composite, plastic, or sheet metal design preferred.

Responsibilities

• Lead custom machine design projects, optimizing equipment performance and manufacturing processes.
• Collaborate with product design engineers to define specifications and manufacturing methods.
• Prototype new equipment or processes to support production.
• Translate performance requirements into detailed specifications for equipment and processes.
• Analyze and optimize layouts, industrial processes, and equipment placement.
• Recommend process and equipment improvements using current technologies and best practices.
• Collaborate with electrical engineers for automation integration.
• Design test equipment and procedures to evaluate product performance and reliability.
• Manage vendor relationships for sourcing, fabrication, machining, and assembly.
• Prepare and approve technical packages, including drawings, BOMs, data sheets, specs, and calculations.
• Estimate costs, prepare bids, and manage budgets and schedules to ensure on-time, on-budget delivery.
• Oversee installation, operation, maintenance, and repair of machines to meet specs.
• Investigate operational issues, determine root causes, and recommend corrective actions.
• Read and interpret blueprints, technical drawings, schematics, and reports.

Skills

Independent project execution

Analytical thinking

Communication

Team collaboration

Attention to detail

Education

Bachelor's degree in Mechanical Engineering

Master's degree preferred

Tools

AutoCAD

SolidWorks

FEA

Job description

Trinity Employment Specialists is hiring a Custom Machine Design Engineer to lead the design, procurement, and commissioning of custom machinery, including CNC winders and hydraulically or electrically driven systems.

The role requires 5–10+ years of experience, proficiency in SolidWorks and AutoCAD, and strong skills in DFM, tolerance analysis, and boilerplate mechanical design. On-site in San Antonio, TX with occasional travel.