Develops, optimizes, and documents precision 3-axis sinker Electrical Discharge Machining (EDM) processes for aerospace turbine components manufactured from nickel-based superalloys and other difficult-to-machine materials. Job Requirements Extensive hands-on experience with 3-axis die sink (sinker) EDM machining and process development. Experience developing, optimizing, and documenting EDM machining processes beyond standard machine operation. Experience machining nickel-based superalloys or other difficult-to-machine aerospace materials. Strong knowledge of electrode design, burn strategies, and EDM process parameters. Proficiency with Siemens NX for CAD and/or CAM applications, including electrode design and model interpretation. Ability to read and interpret engineering drawings, technical specifications, and Geometric Dimensioning and Tolerancing (GD&T). Experience with precision measurement, dimensional inspection, and machining quality verification. Knowledge of EDM machining principles, electrode selection, and process optimization. Experience developing machining strategies to achieve tight dimensional tolerances and surface finish requirements. Preferred Skills Experience operating Makino sinker EDM equipment, particularly Makino G-Series machines. Experience with other sinker EDM platforms, including GF/Charmilles, Sodick, or Mitsubishi. Experience manufacturing turbine components, including vanes, blades, nozzles, and seals. Knowledge of recast layer, heat-affected zone (HAZ), and surface integrity requirements for aerospace turbine components. Experience machining graphite electrodes using CNC equipment. Knowledge of AS9100 quality management standards or similar regulated manufacturing environments. Experience developing EDM processes for aerospace or power generation applications. Familiarity with electrode wear compensation, burn sequencing, and EDM process validation. Job Responsibilities Develop and optimize 3-axis sinker EDM machining processes for precision turbine components and aerospace parts. Establish EDM machining methods for nickel-based superalloys and other difficult-to-machine materials. Review Siemens NX models, engineering drawings, and CAM programs to determine machining requirements. Develop electrode designs, machining strategies, and burn sequences for complex component geometries. Select and optimize EDM parameters to achieve required dimensional tolerances, surface finishes, and machining efficiency. Set up and operate sinker EDM equipment to develop, test, and validate new machining processes. Evaluate electrode performance, wear characteristics, and material removal rates to improve process consistency. Develop and document machining procedures, setup instructions, electrode requirements, and process parameters. Inspect machined components using precision measurement equipment to verify compliance with engineering specifications. Analyze machining results and adjust EDM processes to resolve dimensional deviations and surface quality issues. Evaluate surface integrity requirements, including recast layer and heat-affected zone considerations. Support electrode manufacturing and CNC graphite machining activities as required. Troubleshoot EDM equipment, tooling, electrode, and machining process issues. Support new product introduction and process development for aerospace turbine components. Maintain manufacturing documentation, process records, and inspection results in accordance with applicable quality requirements. Implement continuous improvements to EDM machining accuracy, repeatability, cycle time, and overall process performance.

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