Manufacturing Engineer

100Hires, Inc.; Mason (OH); On-site; USD 70,000 - 95,000; Full time

Job summary

100Hires, Inc. is seeking a Manufacturing Engineer in Mason, OH to develop and optimize battery assembly processes, define flow, work content, and sequencing to meet quality and throughput targets.

The role supports initial line launches, ramp-ups, and NPI, while driving safety, ergonomics, and process control through collaboration with production, quality, and engineering teams.

Qualifications

• Experience developing end-to-end manufacturing processes for assembly lines.
• Strong knowledge of lean and CAPA methodologies in high-volume environments.
• Ability to lead NPI transitions from engineering to production with pilot builds.

Responsibilities

• Develop and document end-to-end battery module/pack assembly processes.
• Create work instructions, standard work, and visual aids for production staff.
• Specify and support assembly tools, fixtures, and inspection equipment.
• Assist with line ramp-up, initial launches, and process stabilization.
• Support process control, in-process checks, and CAPA activities.
• Contribute to continuous improvement and cost reduction initiatives.
• Ensure safety and ergonomic compliance in all processes.

Skills

Process engineering

Lean manufacturing

CAPA & root cause

NPI & pilot builds

Cross-functional teamwork

Tools

Assembly fixtures

Test equipment

Job description

Role PurposeThe Manufacturing Engineeris responsible for developing, implementing, and continuously improving manufacturing processes assembly operations. Reporting to the Director of Manufacturing, this role ensures production processes aresafe, efficient, repeatable, and aligned with engineering intent, supporting facility launch, production ramp-up, and long-term scalability.Reporting & ScopeReports to:Director of ManufacturingWorks closely with:Production Supervisors and OperatorsProduct Engineering (Electrical, Mechanical, Thermal)Product IntegrationQuality and EHSPrimary focus:Manufacturing process design, line support, and continuous improvementCore Responsibilities1. Manufacturing Process DevelopmentDevelop and documentend-to-end manufacturing processesfor:Battery module assemblyBattery pack assemblyDefine process flow, work content, and sequencing to meet:Quality requirementsThroughput and takt-time targetsSafety and ergonomic standards2. Work Instructions & Standard WorkCreate andmaintain:Detailed work instructionsVisual aids and standard work documentationEnsure instructions reflect:Engineering drawings and BOMsCurrent revisions and approved changesTrain production staffonnew or updated processes.3. Equipment, Tooling & Fixture SupportSpecify, install, and support:Assembly tools and fixturesTest and inspection equipmentMaterial handling aidsSupport commissioning and validation of production equipment.4. Production Ramp-Up & Line SupportSupport production during:Initial line launchVolume ramp-upIntroduction of new products or variantsAct as first responder for:Process-related issuesBottlenecks or downtimeImplement corrective actions to stabilize production.5. Quality & Process ControlDefine and support:In-process quality checksError-proofing (poka-yoke)Process capability and control plansPartner with Quality on:Root cause analysisCorrective and preventive actions (CAPA)6. Engineering Change & NPI SupportSupportengineering change management, including:Assessing manufacturability impactsUpdating processes and work instructionsSupport new product introduction (NPI)by:Preparing production processesParticipating in pilot buildsEnsuring smooth transition from engineering to production7. Continuous Improvement & Cost ReductionIdentifyand execute continuous improvement initiatives focused on:Yield improvementCycle time reductionLabor efficiencyScrap and rework reductionApply lean manufacturing principles to improve flow and productivity.8. Safety & ErgonomicsEnsure manufacturing processescomply with:EHS requirementsSafe work practicesIdentify and mitigate ergonomic and safety risks in assembly and material handling.9. Documentation, Metrics & ReportingMaintainaccuratedocumentation for:Process definitionsEquipment settingsChange historyTrack and report key process metrics to support operational decision-making.Typical Day-to-Day ActivitiesSupport production floor operationsTroubleshoot process and equipment issuesUpdate work instructions and process documentationParticipatein improvement eventsSupport line balancing and staffing adjustmentsCoordinate with engineering and quality teamsKey DeliverablesManufacturing process flows and layoutsStandard work and work instructionsEquipment and tooling specificationsProcess improvement plans and resultsInputs to production readiness and launch reviewsAuthority & BoundariesAuthority to define and improve manufacturing processesNo authority over product design decisionsExpected to escalate safety, quality, or capacity risks promptlySuccess Metrics (Manufacturing Engineering KPIs)Process stability and repeatabilityFirst-pass yield and defect reductionThroughput vs takt-time targetsReduction in downtime and reworkEffectiveness of NPI transitionsWhy This Role MattersIn battery manufacturing:Small process errors scale into big problemsEarly instability kills marginsGood processes protect quality and safetyThis role ensures our manufacturing operation isengineered, not improvised — enabling predictable growth and customer confidence.You should be proficient in:Industrial and Manufacturing Engineering5 Why (Root Cause Analysis Method)Process EngineeringMachine Setups for Production RunsProcess DevelopmentCAPAcycle timeline launchProduction line set up