Senior Design Engineer, Tank Trailers & Systems

Jobot; Beloit (WI); On-site; USD 95,000 - 110,000; Full time

Job summary

Jobot in Beloit, WI is seeking a Senior Design Engineer to design, develop, validate, and continuously improve highly engineered liquid transportation products. You will work across Manufacturing Engineering, Production, Sales, Purchasing, Quality, and Service to ensure safe, reliable, and cost-effective solutions.

You will lead engineering activities, develop 3D models and drawings, perform analyses, and mentor junior staff while driving manufacturing efficiency and long-term product strategy.

Qualifications

• Bachelor's degree in Mechanical Engineering, Mechanical Engineering Technology, or a closely related discipline.
• Relevant engineering experience may be considered in combination with education
• Experience designing tank trailers, pressure vessels, process equipment, piping systems, truck/trailer equipment, or other highly engineered fabricated products
• Ability to take engineering projects from initial requirements through detailed design and manufacturing
• Strong mechanical engineering fundamentals
• Proficiency with 3D CAD and 2D engineering drawing systems
• Experience performing finite element analysis to validate designs
• Knowledge of GD&T, tolerance stack‑ups, materials, fabrication, welding, and manufacturing processes
• Ability to perform and document engineering calculations
• Experience interpreting and applying engineering codes, specifications, and standards
• Working knowledge of BOMs, ECO/ECN processes, engineering documentation, and configuration control
• Strong problem‑solving skills with a solutions‑oriented mindset
• Ability to work effectively alongside manufacturing and operations teams

Responsibilities

• Lead engineering activities for new and repeat customer orders
• Lead the development of new product platforms and significant product enhancements
• Serve as the technical lead for complex customer, product, and regulatory projects
• Develop 3D models, engineering drawings, specifications, and bills of material
• Perform advanced structural, durability, load, and performance analyses
• Complete engineering calculations related to structural integrity, pressure, piping, stress, weight, thermal performance, and component sizing
• Develop engineering standards, design guidelines, and technical best practices
• Drive Design for Manufacturing and Design for Assembly initiatives
• Evaluate materials, technologies, and manufacturing methods that can improve product performance or cost
• Lead root‑cause investigations involving product failures, warranty concerns, and field issues
• Review and approve engineering drawings and technical documentation
• Support engineering changes and corrective‑action initiatives
• Collaborate directly with manufacturing teams to improve fabrication and assembly processes
• Work with Sales and customers to develop custom and advanced applications
• Mentor and support the development of junior engineering team members
• Contribute to long‑term product planning and engineering strategy

Skills

Mechanical fundamentals

3D CAD

2D drawings

FEA

Welding & fabrication

Education

Bachelor's degree in Mechanical Engineering

Job description

Jobot in Beloit, WI is seeking a Senior Design Engineer to design, develop, validate, and continuously improve highly engineered liquid transportation products. You will work across Manufacturing Engineering, Production, Sales, Purchasing, Quality, and Service to ensure safe, reliable, and cost-effective solutions.

You will lead engineering activities, develop 3D models and drawings, perform analyses, and mentor junior staff while driving manufacturing efficiency and long-term product strategy.