Sr Mechanical Designer- Custom Machinery

Senior Mechanical Designer – Custom Machinery & Power TransmissionLocation: Raleigh, NC Job Type: Contract or Contract-to-Hire Pay Range: $45–$50/hour Work Location: 100% OnsitePosition OverviewM Force Partners is seeking an experienced Senior Mechanical Designer to support the design and development of custom machinery, precision gearboxes, power transmission systems, and specialized mechanical test equipment. This position requires advanced SolidWorks proficiency, extensive mechanical design experience, and a strong understanding of complex machinery and precision rotating components.The Senior Mechanical Designer will collaborate with experienced engineering professionals to transform engineering concepts, preliminary calculations, sketches, and technical requirements into detailed 3D models, mechanical assemblies, and manufacturing-ready documentation. This role requires the ability to independently evaluate mechanical arrangements, identify potential design challenges, and develop practical solutions for complex equipment.The ideal Senior Mechanical Designer has hands-on experience designing functional machinery and mechanical power transmission systems. Candidates with experience designing powertrains, propulsion systems, transmissions, gearboxes, and gears are strongly encouraged to apply.SolidWorks experience and U.S. citizenship are required. This position is 100% onsite in Raleigh, NC.Key ResponsibilitiesDevelop complex 3D mechanical models, parts, and assemblies using SolidWorksDesign custom machinery, precision gearboxes, rotating equipment, and specialized mechanical testing systemsTranslate engineering concepts, sketches, preliminary calculations, and technical discussions into detailed mechanical designsDevelop mechanical assemblies incorporating gears, shafts, splines, bearings, seals, couplings, housings, and power transmission componentsSupport the design and development of mechanical powertrains, transmissions, propulsion-related equipment, and rotating machineryEvaluate mechanical assemblies for proper fit, alignment, clearances, component interference, and functionalityConsider assembly sequencing, tool accessibility, maintenance requirements, and equipment serviceability during the design processApply Geometric Dimensioning and Tolerancing (GD&T), dimensional fits, and tolerance stack-up analysis to precision mechanical assembliesPrepare detailed manufacturing drawings, assembly drawings, Bills of Materials (BOMs), and supporting technical documentationMaintain organized parametric models and preserve design intent as engineering requirements evolveEvaluate alternative mechanical design concepts and identify potential technical challengesIdentify missing design information, component conflicts, manufacturing constraints, and assembly concernsCollaborate with senior engineers and mechanical designers throughout concept development, design refinement, and final documentationIncorporate engineering feedback, updated calculations, and component changes into mechanical designsApply practical manufacturing knowledge to ensure designs are functional, manufacturable, and suitable for assemblySupport machinery development from initial concept through manufacturing and assemblyRequired QualificationsExtensive professional experience in mechanical design, machine design, or custom machinery developmentAdvanced proficiency in SolidWorks is required, including parametric modeling, complex mechanical assemblies, and detailed manufacturing drawingsDemonstrated experience designing custom machinery, mechanical power transmission systems, or precision rotating equipmentStrong understanding of mechanical components, including gears, shafts, splines, bearings, seals, couplings, and housingsKnowledge of bearing arrangements, shaft fits, retention methods, lubrication systems, sealing requirements, and mechanical alignmentExperience applying GD&T, functional datums, dimensional tolerances, and tolerance stack-up analysisAbility to interpret engineering sketches, sectional views, preliminary calculations, and technical specificationsExperience developing detailed mechanical drawings, assembly documentation, and Bills of MaterialsStrong understanding of mechanical assembly requirements, manufacturing processes, and precision machining considerationsAbility to identify component interference, assembly limitations, clearance issues, and potential manufacturing challengesStrong three-dimensional visualization and mechanical problem-solving skillsAbility to independently develop mechanical design solutions from evolving engineering conceptsStrong communication skills and ability to collaborate with senior engineering personnelAbility to incorporate technical feedback and adjust designs as project requirements changeAbility to demonstrate personal contributions to completed machinery designs or precision mechanical assembliesU.S. citizenship is required due to contractual requirementsAbility to work 100% onsite in Raleigh, NCPreferred QualificationsExperience designing mechanical powertrains and propulsion systemsExperience designing transmissions, gearboxes, and gear assembliesBackground in mechanical power transmission and precision rotating equipmentExperience with custom machinery, machine tools, or specialized industrial equipmentExperience designing spindle systems or high-speed rotating machineryExperience with dynamometers and mechanical testing equipmentExperience developing precision mechanical assemblies involving complex rotating componentsExperience supporting machinery development from initial concept through manufacturing and assemblyExperience collaborating with senior engineering teams on technically complex equipment designsJob Presented by M Force PartnersM Force Partners is a specialized recruitment partner connecting top-tier talent with leading organizations. With a deep understanding of engineering/technical, medical, professional and executive disciplines and industry demands, we deliver tailored recruitment solutions, including direct hire and contract placements, to ensure the right fit for both candidates and clients.If this role isn't the right fit for you, we encourage you to explore our other opportunities at mforcepartners.com.Do you know someone who may be a great match? Feel free to share this opportunity within your network.Equal Opportunity EmployerM Force Partners is an Equal Opportunity Employer. Employment decisions are based on qualifications, merit, and business needs. Reasonable accommodations may be made to enable individuals with disabilities to perform essential job functions.