Mechanical Engineer II
Safe Fleet· Transportation/trucking/railroad· Oct 5, 2026 · 23d ago
St. Louis, MO, United States
In office
Full-time
Mid
$114K–$160K est.
3+ years exp
Job description
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 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
· Develop processes, products, assemblies & components that meet or exceed ESG’s stringent quality, cost, performance & schedule requirements.
· Create 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.
· 3+ years of previous work experience or equivalent.
· Intermediate 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 (advanced skill level preferred in Excel).
· Demonstrated effective time management skills.
Desired
· SolidWorks surfacing modeling, sheet metal design & modeling for injection molding. Experience with SolidWorks Simulation is also a plus.
· SolidWorks Certification (Associate, Professional, or Expert).
· 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 speaker & driver theories of operation.
· Good understanding of electrical & electronic systems & components.
· Ability to set-up, record & analyze acoustic measurements (SPL, frequency, etc.).
· Ability to set-up, record, and analyze light measurements (color, luminous flux & intensity, flash rate).
· 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
Application prep
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