[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Legrand jobs](https://jobs.opennash.com/companies/legrand/) · [Search jobs](/search/) Legrand · St Louis, MO # Mechanical Engineer Saint Louis, MO, United States On-site Skilled Trades & Maintenance Listed on Legrand’s official careers site. Posted July 9, 2026. Check that it is still open and apply there. [Apply on Legrand’s careers site →](https://iadugs.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1001/job/352) [OpenNash Jobs](https://jobs.opennash.com/) / [Legrand](https://jobs.opennash.com/companies/legrand/) / Mechanical Engineer ## Job description At a Glance Legrand has an exciting opportunity for a Mechanical Enginee r to join the OCL Architectural Lighting Team in St. Louis, MO. The Mechanical Engineer will develop high quality market differentiated luminaire designs. This individual will be responsible for new product development from concept through production and must be able to design highly configurable product families that are uncompromising in quality and performance yet cost effective and simple to assemble, install, and maintain. ## Responsibilities ### DFM Cost savings, increasing manufacturing capacity, and solutions to address Non-Conforming Materials (NCM). ### Product Enhancements Product updates to better serve customer’s needs, meeting current and future technology. Working with sales and marketing to determine which products are worthy of a design update. ### Solidworks CAD software Provide support to engineering by creating and maintaining 3D solid models for parts and assemblies, layouts, detail drawings, assembly drawings, sketches, Instructions & diagrams for jobs and projects as well as theoretical and physical testing analysis of design and environmental testing. ### Modified and Custom Create, detail, process and assist in the construction of modified and custom products for customers. What Will You Do? ### Existing Product Improvement (Sustaining Engineering Changes) Work closely with operations and manufacturing to investigate and research possible Design For Manufacturing (DFM) / Design For Assembly (DFA) and process enhancements to improve quality, efficiency and/or lower costs. Concept, prototype, test and review changes and improvements with team. Design review during development stage, and production release Assure that design, sales, marketing, purchasing and production inputs are considered before proceeding with change. Creation and standardization of Bill of Materials (BOM) for existing product Creation and standardization of Engineering Change Notice (ECN) procedure. This information should include any deviation from the original Bill of Materials. Verification (sign off) of all documentation relating to the product change before production phase. Modified and Custom Product Development Assist sales with specification and quotation information for modification or custom designs. Creation of estimated Cost Of Goods Sold (COGS) documentation for modification or custom designs. Creation of Submittal and/or Approval drawings for modification or custom designs. All design work and documentation to be done using Solidworks and EPDM Assure that the customer is getting what they have ordered and are expecting. As required, plan and direct construction of mock-ups or prototypes. Creation of BOM and Production Order (PO) of all components that will go into an assembled product and it will show each quantity required to make one assembly. These components will include subassemblies, purchased parts, manufactured parts, and raw materials. The BOM / PO shall also include the estimated time required for fabrication and assembly. As required, monitors progress of development project and compares actual costs with estimates. As required, assume project management role and direct development and implementation of a project plan including estimated requirements for resources-management, labor, materials and time required. As required, assess vendors for competence, capabilities and resources. As required, assigned as point-of contact for specific areas of expertise. ### Drafting Prepare design specification, analysis, and recommendations for presentation and approval. Generating 3-D model assemblies, mechanical assemblies, detail drawings, customer drawings, and assembly/installation instruction sheets. Create and modify detailed drawings from sketches, architectural plans, layouts, or notes. Process job packages to production. Update existing designs and drawings. Support other departments with illustrations, rendered models, and other documents as requested. ## Qualifications ### Education Bachelor’s degree in mechanical engineering Skills/Knowledge/Abilities: Proficient in Solidworks and mechanical design; proficient in Microsoft office suite Team player mentality with excellent communication and organizational skills Highly motivated and able to work in a fast-paced environment Knowledge of project management and stage gate methodologies Working knowledge of DFMA ## At a glance - Posted by the employer: Jul 9, 2026 - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 102 days - Location: Saint Louis, MO, United States - Work arrangement: On-site[Apply on Legrand’s careers site →](https://iadugs.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1001/job/352) ## More jobs at Legrand ### [Welder](https://jobs.opennash.com/companies/legrand/jobs/e9264de15fd801d60136/) Saint Louis, MO, United States ### [Plant Manager](https://jobs.opennash.com/companies/legrand/jobs/fcb4a836b70fa94b5b69/) Saint Louis, MO, United States ### [Shipping Material Handler](https://jobs.opennash.com/companies/legrand/jobs/9ecb3ef5efddc5895669/) Saint Louis, MO, United States ### [Sr. Financial Analyst](https://jobs.opennash.com/companies/legrand/jobs/4cb57632b72a99a9cd35/) Saint Louis, MO, United States ### [Assembly Technician](https://jobs.opennash.com/companies/legrand/jobs/151f297f599144786cfe/) Reno, NV, United States ## Similar jobs at other companies ### [Associate Mechanical Engineer/Mechanical Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/1a3bde14948c35038dcb/) Northrop Grumman · United States-Arizona-Gilbert ### [Mechanical Design Engineer - E2](https://jobs.opennash.com/companies/lockheed-martin/jobs/6cda5d394c90a94dc6f0/) Lockheed Martin · Littleton, CO ### [Mechanical Engineer](https://jobs.opennash.com/companies/general-dynamics/jobs/14d439118870d4b54698/) General Dynamics · Bloomington, MN, US OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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