Machining Manufacturing Engineer III

Role Overview Turn complex engineering designs into precise, production-ready CNC programs. In this role, you’ll drive machining strategy, validate programs on the shop floor, and help improve manufacturing performance from prototype through full-rate production. Key Responsibilities Develop and optimize CNC programs for 3-, 4-, and 5-axis machines Interpret engineering drawings and define machining approaches Select tooling, speeds, and feeds to balance precision and efficiency Validate programs through machine prove-outs and setup support Troubleshoot machining and production issues in real time Create and maintain clear manufacturing work instructions Train and support machine operators as needed Assist with new equipment setup and production ramp-up Partner with engineering and manufacturing teams to improve processes Support tooling and fixture development for repeatability and performance Work Environment On-site, hands-on manufacturing environment Fast-paced production setting with evolving priorities High collaboration with engineering, operators, and manufacturing teams Focus on precision, quality, and continuous improvement Why You’ll Love This Role Work on advanced, mission-critical hardware See your programs directly impact production and performance Collaborate with a skilled, cross-functional team Influence machining strategy and process improvements Opportunities to grow technical and manufacturing expertise Basic Qualifications Minimum of 3 years experience programming CNC machines (3-, 4-, and 5-axis) Proficiency with CAM software for CNC programming Strong understanding of machining processes, tooling, speeds, and feeds Ability to read and interpret engineering drawings and define machining strategies Experience validating CNC programs (prove-outs) and troubleshooting production issues Ability to communicate clearly and collaborate with engineering and production teams Ability to obtain and maintain a Top Secret security clearance Ability to work on-site full-time Desired Skills Experience with Siemens NX CAM software Familiarity with Mazak / Mazatrol controllers Experience with tooling or fixture design Background in process improvement or lean manufacturing Experience supporting new product introduction or production ramp-up Security Clearance Statement This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level Secret Other Important Information You Should Know Ability to work on-site full-time. Schedule for this Position 9x80 every other Friday off Employment Eligibility and Equal Opportunity Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. #J-18808-Ljbffr Lockheed Martin