Senior Design Engineer

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

Job summary

Jobot is seeking a Senior Design Engineer to lead the design, development, validation, and continual improvement of highly engineered liquid transportation products. You will work across Manufacturing Engineering, Production, Sales, Purchasing, Quality and Service to ensure safety, quality, reliability, and profitability throughout the product lifecycle.

The role requires hands-on design from concept through manufacturing, with proficiency in 3D CAD, FEA, GD&T, and a strong manufacturing

Qualifications

• Bachelor's degree in Mechanical Engineering or closely related field.
• Experience designing tank trailers, pressure vessels, or highly engineered fabricated products.
• Strong fundamentals in mechanics, materials, and manufacturing processes.
• Proficiency with 3D CAD and 2D drawings; ability to interpret engineering codes.

Responsibilities

• Lead engineering activities for new and repeat customer orders.
• Develop new product platforms and significant product enhancements.
• Serve as technical lead for complex customer, product, and regulatory projects.
• Create 3D models, drawings, specifications, and BOMs.
• Perform structural, durability, load, and performance analyses.
• Conduct engineering calculations for structural integrity, piping, stress, and sizing.
• Draft engineering standards, guidelines, and best practices.
• Advance Design for Manufacturing and Design for Assembly initiatives.
• Evaluate materials and manufacturing methods to improve performance and cost.
• Lead root-cause investigations and address field issues.
• Review and approve drawings and documentation.
• Support engineering changes and corrective actions.

Skills

FEM Analysis

GD&T

Mechanical Fundamentals

3D CAD

Cross-functional teamwork

Education

Bachelor's degree in Mechanical Engineering

Tools

3D CAD

Job description

Job details

Salary: $95,000 - $110,000 per year

A bit about us

We are an established manufacturer of highly engineered transportation equipment and fabricated products serving demanding commercial and industrial applications. Our engineering team works closely with manufacturing, quality, sales, purchasing, and service to develop safe, reliable, and cost-effective products tailored to customer needs.

We combine hands‑on manufacturing expertise with strong engineering capabilities and are continuing to invest in new product development, design standardization, manufacturing efficiency, and long-term product innovation.

Why join us

This is a great opportunity for an experienced mechanical or design engineer who enjoys seeing their work move from concept all the way through manufacturing and into the field.

The Role

The Senior Design Engineer is responsible for the design, development, validation, and continuous improvement of highly engineered liquid transportation products and related systems.

This position supports new product development, custom engineering, manufacturing efficiency, regulatory compliance, cost reduction, and technical problem-solving throughout the product lifecycle. You will work cross‑functionally with Manufacturing Engineering, Production, Sales, Purchasing, Quality, and Service to ensure designs meet customer expectations as well as safety, quality, reliability, and profitability objectives.

What You’ll Do

• 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

Engineering & Product Focus

• Structural components and fabricated assemblies
• Tank trailers and pressure‑containing equipment
• Piping systems
• Frames and chassis interfaces
• Stainless steel fabrication
• Welding and forming
• Customer‑specific mechanical designs
• Highly engineered fabricated products

The original description also calls for familiarity with applicable requirements such as DOT/FMCSA, ASME BPVC Section VIII Division 1, ASTM, and other product‑specific codes and standards.

What We’re Looking For

• 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

Jobot Equal Opportunity Employer

Jobot is an Equal Opportunity Employer. We provide an inclusive work environment that celebrates diversity and all qualified candidates receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, age (40 and over), disability, military status, genetic information or any other basis protected by applicable federal, state, or local laws. Jobot also prohibits harassment of applicants or employees based on any of these protected categories. It is Jobot’s policy to comply with all applicable federal, state and local laws respecting consideration of unemployment status in making hiring decisions.