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Sub Engineer Jobs in Missouri (NOW HIRING)

Description JOB SUMMARY The Mechanical Engineer I is responsible for the design, development, documentation, test, and evaluation activities for components, sub-assemblies, and finished goods ...

Description JOB SUMMARY The Mechanical Engineer II is responsible for the design, development, documentation, test, and evaluation activities for components, sub-assemblies, and finished goods ...

... with sub-consultants, and contribute your expertise to reports and analyses Work directly with ... Bachelor's degree in Civil Engineering or related discipline (Master's is a plus!) PE license in ...

At Lamp Rynearson, we're more than just a civil engineering and consulting firm--we're a team of ... sub-consultants, and contribute your expertise to reports and analyses • Work directly with ...

At Lamp Rynearson, we're more than just a civil engineering and consulting firm-we're a team of ... sub-consultants, and contribute your expertise to reports and analyses • Work directly with ...

The Stationary Engineer operates or maintains stationary engines, boilers or other mechanical ... Work with sub-contractors * Oversee all contractor work on property and Health Center equipment

The Stationary Engineer operates or maintains stationary engines, boilers or other mechanical ... Work with sub-contractors * Oversee all contractor work on property and Health Center equipment

The Design Engineer will work within our engineering team to support the execution of large and ... product sub-assemblies, and top-level system assemblies. * Understand our customers' needs and ...

Process Engineer

Warrensburg, MO · On-site

$90K - $115K/yr

Process Engineer $90000 - $115000 per year | Warrensburg, MO | On-site | Permanent Raw Materials, Sub Assemblies Group | Facility Getting New High Tech Equipment! A bit about us: This is an ...

New

Showing results 41-60

Sub Engineer information

See Missouri salary details

$35.6K

$108.7K

$179.6K

How much do sub engineer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for sub engineer in Missouri is $108,681.00, according to ZipRecruiter salary data. Most workers in this role earn between $77,900.00 and $142,100.00 per year, depending on experience, location, and employer.

What is the difference between Sub Engineer vs Civil Engineer?

AspectSub EngineerCivil Engineer
QualificationsDiploma in Engineering or equivalentBachelor's degree in Civil Engineering
Work EnvironmentSite supervision, technical support, project executionDesign, planning, project management, site supervision
Employer & Industry UsageGovernment departments, construction companies, public worksArchitectural firms, consulting agencies, construction firms

Sub Engineers typically hold diplomas and focus on site-level supervision and technical tasks, while Civil Engineers have degrees and handle design, planning, and project management. Both roles are essential in construction projects but differ in qualifications and scope of responsibilities.

What does a sub engineer do?

A sub engineer is responsible for assisting in the planning, design, and supervision of engineering projects, often in construction, infrastructure, or technical fields. They perform technical tasks, oversee site work, and ensure compliance with safety and quality standards, typically requiring relevant technical skills and certifications. Sub engineers work under senior engineers and may use tools like CAD software and construction equipment.

What is the role of a sub engineer?

A sub engineer is responsible for assisting in the planning, execution, and supervision of engineering projects, often focusing on specific technical tasks within construction, infrastructure, or manufacturing environments. They typically work under senior engineers, use technical tools, and ensure compliance with safety and quality standards.
Infographic showing various Sub Engineer job openings in Missouri as of September 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $108,681 per year, or $52.3 per hour.

Mechanical Engineer I

Saint Louis, MO • On-site

Safe Fleet
Trucking • 1 - 5K employees

Full-time

Re-posted 8 days ago


Job description

Description
JOB SUMMARY
The Mechanical Engineer I is responsible for the design, development, documentation, test, and evaluation activities for components, sub-assemblies, and finished goods products that meet the cost, performance and timeliness requirements defined within ESG's Product Planning Process (P3 Process). This person will be tasked to investigate, develop, and implement new technologies, tools and processes, and must solve problems through original thinking and ingenuity.
DUTIES AND RESPONSIBILITIES
Essential
• Design & develop products, assemblies & components that meet or exceed ESG's stringent quality, cost, performance & schedule requirements.
• Creating new vehicle-specific parts and test fitting parts onto cars, trucks, and other vehicles.
• Ability to disassemble and measure vehicles with hand tools or use of 3D scanner.
• Ability to fit check parts onto various vehicles/applications.
• Support Label Modification projects as defined within ESG's P3 Processes.
• Review & approve mechanical & finished goods drawings.
• Write assembly instructions (AI's), work instructions, and equipment maintenance procedures.
• Develop production jigs, assembly fixtures & crimping tools for domestic & international manufacturing.
• Complete finished goods first article reports (FARs).
• Create Control Plan, Process FMEA, and Process Flow Diagram & PPAP documentation.
• Perform finished goods product verification, qualification & validation testing.
• Incorporate fundamentals of Design for Manufacture and Assembly (DFMA).
• Key contributor in developing & maintaining detailed & accurate Bills of Materials (BOMs) and Approved Vendor Lists (AVLs) for sub-assemblies & finished goods products.
• Key contributor in ensuring integrity of mechanical design & product development processes.
• Analyze, evaluate, and recommend system improvements that will reduce product design cycle times.
• Quickly resolve engineering & technical issues.
• Facilitate consistent and predictable alarm & light production, including outsourcing PCA testers, light output testers, flash rate testers, speaker sweep stations & alarm test boxes.
• Participate in Component Part Qualification (CPQ) process for speakers, drivers, LEDs & mechanical parts.
• Actively participate in ESG's Change Request (CR/ECN/DCN) process.
• Perform other duties as assigned.
QUALIFICATIONS
Required
• B.S.M.E. degree, or equivalent experience.
• SolidWorks (or equivalent CAD software) training or experience (modeling, assembly, and drawing creation).
• Good communication skills, both written and verbal, e.g. ability to prepare, present and discuss project-related plans, requirements, test results, etc. in a team-based work environment.
• Working knowledge of Microsoft Office including: Word, Excel, PowerPoint, Outlook & Project (intermediate skill level preferred in Excel).
Desired
• SolidWorks surfacing modeling, sheet metal design & modeling for injection molding. Experience with SolidWorks Simulation is also a plus.
• Experience working in an install bay, upfitting vehicles or installing aftermarket parts/electronics onto vehicles.
• Experience using a manual mill, lathe, drill press, bandsaw, and other shop tools.
• Experience rapid prototyping parts, fixtures & products, both subtractive (CNC) & additive (grown).
• Understanding of industry document control practices & ability to adhere to ESG's documentation processes.
• Experience or good understanding of optical design for LEDs.
• Good understanding of LED, speaker & driver theories of operation.
• Good understanding of electrical & electronic systems & components.
• Understanding of manufacturing processes, production yield metrics (process capability, gage R&R) & production test procedures (alarms & lights preferred).
• Good understanding of test techniques for product validation, product verification & Design of Experiments (DOE).
PHYSICAL DEMANDS
While performing the duties of this job, the team member is regularly required to talk or hear. The team member frequently is required to stand; walk; use hands to finger, handle or feel; and reach with hands and arms.
The above statements are intended to describe the general nature of work performed by the team members assigned to this job. All team members must comply with Company policies and applicable laws.
Equal Opportunity Employer including Vets and Disabled