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Senior Design Engineer Jobs in Missouri (NOW HIRING)

Clayco

Senior Design Coordinator

Saint Louis, MO · On-site

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Saint Louis, MO · On-site

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Kansas City, MO

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Saint Louis, MO · On-site

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Kansas City, MO · On-site

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Saint Louis, MO · On-site

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Kansas City, MO

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Kansas City, MO

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Saint Louis, MO · On-site

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Kansas City, MO · On-site

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Kansas City, MO · On-site

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Clayco

Senior Design Coordinator

Saint Louis, MO · On-site

About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm ... The Role We Want You For LJC is seeking an experienced Senior Design Coordinator to lead ...

Boeing

Senior Design and Analysis Engineer

Berkeley, MO · On-site

Boeing Defense, Space & Security (BDS) is seeking a Senior Design and Analysis Engineer in St. Louis, MO , supporting a Phantom Works Fixed Wing Proprietary Program . You will be joining a fast-paced ...

Cochran

Design Engineer

Union, MO · On-site

Perform basic engineering calculations under the supervision of senior staff. * Conduct site visits and field investigations as needed to support design efforts. * Support permitting and approval ...

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Showing results 21-40

All JobsDesign Engineer JobsSenior Design Engineer JobsSenior Design Engineer Jobs in Missouri

Senior Design Engineer information

See Missouri salary details

$59.1K

$113.9K

$179.6K

How much do senior design engineer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for senior design engineer in Missouri is $113,935.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,100.00 and $129,900.00 per year, depending on experience, location, and employer.

What does a senior design engineer do?

A Senior Design Engineer is responsible for leading the design and development of products, systems, or components, often within engineering or manufacturing industries. They create detailed technical drawings and specifications, oversee project timelines, and collaborate with cross-functional teams to ensure designs meet safety, quality, and efficiency standards. Additionally, they mentor junior engineers, troubleshoot design challenges, and may interact with clients or stakeholders to clarify requirements and present solutions. Their role combines technical expertise, project management, and leadership skills.

How does a senior design engineer typically collaborate with cross-functional teams during a product development cycle?

Senior Design Engineers frequently work alongside professionals from manufacturing, quality assurance, project management, and marketing to ensure the successful development and launch of products. They lead design reviews, gather input from other departments, and address technical challenges collaboratively. This role requires strong communication skills and the ability to balance design intent with practical constraints such as cost, manufacturability, and regulatory requirements. Regular meetings and iterative feedback loops are a standard part of the process, making teamwork and adaptability essential for success.

What are the key skills and qualifications needed to thrive as a senior design engineer, and why are they important?

To thrive as a Senior Design Engineer, you need a strong background in engineering principles, advanced problem-solving abilities, and a relevant bachelor's or master's degree in engineering. Proficiency with CAD software, simulation tools, and familiarity with industry standards or certifications such as PE (Professional Engineer) are typically required. Leadership, effective communication, and project management skills set top performers apart in this role. These competencies ensure the delivery of innovative, reliable designs while leading teams and projects to successful outcomes.

What is the difference between Senior Design Engineer vs Mechanical Design Engineer?

AspectSenior Design EngineerMechanical Design Engineer
Required CredentialsBachelor's degree in engineering, experience in design, possibly professional engineering licenseBachelor's degree in mechanical engineering or related field, design experience
Work EnvironmentDesign teams, project management, cross-disciplinary collaborationDesign and development of mechanical components, CAD work, prototype testing
Employer & Industry UsageEngineering firms, manufacturing, aerospace, automotiveManufacturing, product design, machinery development

The main difference is that a Senior Design Engineer typically has more experience, leadership responsibilities, and may oversee projects, while a Mechanical Design Engineer focuses on creating and testing mechanical components. Both roles require similar technical skills and work in related environments, but the senior position involves more oversight and strategic input.

What are the most commonly searched types of Design Engineer jobs in Missouri?

The most popular types of Design Engineer jobs in Missouri are:

What are popular job titles related to Senior Design Engineer jobs in Missouri?

For Senior Design Engineer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Senior Design Engineer jobs in Missouri look for?

The top searched job categories for Senior Design Engineer jobs in Missouri are:

What cities in Missouri are hiring for Senior Design Engineer jobs?

Cities in Missouri with the most Senior Design Engineer job openings:

What are popular job titles related to Senior Design Engineer jobs in MO?

For Senior Design Engineer jobs in MO, the most frequently searched job titles are:

Senior Design Engineer jobs near you
Infographic showing various Senior Design Engineer job openings in Missouri as of August 2026, with employment types broken down into 96% Full Time, and 4% Contract. Highlights an 100% In-person job distribution, with an average salary of $113,935 per year, or $54.8 per hour.

Sr. Design Engineering Manager

American Plastics, LLC

Jefferson City, MO

Full-time

Medical, Dental, Retirement, PTO

Re-posted 12 days ago

Job description

Description

American Plastics, headquartered in St. Louis, Missouri, is a leading designer and manufacturer of innovative plastic-injection molded products for the household & garage storage and commercial cleaning end-markets.


We are seeking a skilled Sr. Design Engineer specializing in plastics to join our team at our Innovation Center, in Jefferson City, MO. This position will lead a team of  design engineers  and  will be responsible for designing and developing plastic components and products, ensuring functionality, manufacturability, and cost-effectiveness. The role involves collaborating with cross-functional teams, utilizing CAD software, and staying updated on industry trends and technologies. This position will report to the Vice President of Engineering.


Product Design: Conceptualize, design, and develop plastic components and products according to project requirements, considering factors such as functionality, aesthetics, manufacturability, and cost-effectiveness.


CAD Modeling: Utilize CAD software (e.g., SolidWorks, CATIA) to create detailed 3D models and 2D drawings of plastic parts and assemblies.


Prototyping: Oversee the prototyping process, including selecting appropriate materials, collaborating with prototype technicians, and validating designs for fit, form, and function.


Material Selection: Evaluate and select suitable plastic materials based on performance requirements, environmental factors, and cost considerations.


Design Optimization: Continuously improve designs for efficiency, performance, and cost reduction through analysis, simulation, and testing.


Manufacturability: Collaborate with manufacturing teams to ensure designs are optimized for production processes such as injection molding, extrusion, and thermoforming.


Quality Assurance: Work closely with quality control teams to establish and implement quality standards for plastic components and products, ensuring compliance with industry regulations.


Documentation: Prepare and maintain comprehensive design documentation, including technical drawings, specifications, and design change records.


Cross-functional Collaboration: Collaborate effectively with cross-functional teams including product management, manufacturing, quality assurance, and procurement to achieve project goals and deadlines.


Research and Innovation: Stay updated on industry trends, emerging technologies, and best practices in plastic design, and incorporate innovative solutions into product development processes.

Requirements

Bachelor's degree in mechanical or plastics Engineering

Excellent at leading and developing a team

Experience of hands-on injection molding experience a plus.

7 + Years experience with Product Design of plastic injection molded products

SolidWorks knowledge.

Experience with prototyping techniques and rapid iteration processes.

Excellent problem-solving skills and attention to detail.

Effective communication and collaboration skills with the ability to work in cross-functional teams.

Familiarity with design for manufacturability (DFM) and design for assembly (DFA) principles.

Ability to prioritize tasks and manage multiple projects simultaneously.

Strong communication skills.



If you are interested in joining the American Plastics team and want to work in a fast-paced, progressive environment, we want to hear from you. We offer a competitive salary, full benefit package including medical/dental, 401k, and paid vacation.


Apply