Lucas Siqueira

CNC Programmer @ LIEBHERR AEROSPACE BRASIL LTDA

About

Aerospace manufacturing specialist with more than 20 years of experience in the production of high-complexity machined components. Proven track record in CNC programming, process development, industrialization, continuous improvement, and technical support for manufacturing operations.Strong expertise in 5-axis machining centers, CNC lathes, multitasking machines, cycle time optimization, cutting tool selection, and manufacturing process troubleshooting. Experienced in collaborating with engineering, production, quality, and maintenance teams to drive productivity improvements, cost reductions, and compliance with stringent aerospace requirements.Extensive experience machining aerospace alloys and developing machining strategies for complex geometries, ensuring robust processes focused on quality, repeatability, and operational excellence.Passionate about manufacturing technology, automation, precision machining, and the development of innovative solutions to meet the challenges of the aerospace industry.

Country

Brazil

City

São José dos Campos

Industry

Aviation & Aerospace

Skill

WorkNC, Computer Numerical Control (CNC), CAD/CAM Software, CNC Operation, PTC Creo, CNC Machining, Process Development, VERICUT, hyperMill, CATIA V5, Multi-Tasking Machines, 5-Axis Machining, CNC Manufacturing, Aerospace Manufacturing, CNC Programming

Experience

CNC Programmer

LIEBHERR AEROSPACE BRASIL LTDA

2014 - Present · 12 yrs

Гуаратингета, SP

Developed and optimized machining processes for aerospace components. Programmed CNC lathes, multitasking machines, and 5-axis machining centers. Reduced cycle times through process optimization and tooling improvements. Supported production, quality, and engineering teams in root cause investigations and corrective actions. Led industrialization activities for new aerospace products.

Computer Numerical Control Programmer

Mirage Indústria e Comércio de Peças

2006 - 2014 · 8 yrs

Сан-Жосе-дус-Кампус, SP

Started my career as a CNC Lathe and Milling Machine Operator and progressed through increasing levels of responsibility to become a CNC Programmer. Responsible for the setup, operation, and programming of CNC machines used in the production of precision-machined components. Developed machining programs, optimized manufacturing processes, selected cutting tools, and provided technical support to production teams. Worked closely with engineering and quality departments to ensure compliance with technical specifications, improve productivity, reduce cycle times, and maintain high standards of quality and repeatability. This experience provided a strong foundation in CNC machining, process development, troubleshooting, and continuous improvement within a high-precision manufacturing environment.