Job Overview We are seeking a highly experienced Principal Mechanical Engineer – Well Completion Products (WCP) to lead the design, development, and optimization of advanced mechanical systems for the Oil & Gas industry. This senior technical leadership role is responsible for driving product innovation, performing advanced engineering analysis, resolving complex technical challenges, and ensuring compliance with API, ISO, and customer requirements. The successful candidate will lead new product development initiatives while providing technical guidance across the complete product lifecycle. This position offers an excellent opportunity to work on cutting-edge Well Completion Products, lead global engineering projects, mentor engineering teams, and contribute to the development of reliable, high-performance downhole technologies. Responsibilities • Lead the mechanical design, development, and optimization of Well Completion Products, including packers, completion tools, and other downhole equipment. • Drive new product development initiatives from concept through qualification, validation, and field deployment. • Perform advanced engineering calculations, structural analysis, FEA, stress analysis, fatigue analysis, and failure investigations. • Conduct feasibility studies, risk assessments, FMEA, and cost-benefit analyses for new technologies and product improvements. • Ensure designs comply with applicable API, ISO, customer, and industry standards. • Lead root cause failure analysis and implement design improvements to enhance product reliability, manufacturability, and cost efficiency. • Evaluate materials, pressure containment, sealing systems, and mechanical integrity for harsh downhole environments. • Collaborate with Manufacturing, Supply Chain, Quality, Operations, and HSE teams to ensure successful product integration and production readiness. • Develop and maintain engineering standards, design guidelines, and best practices across the WCP product portfolio. • Support field operations and customer troubleshooting activities by providing expert technical guidance. • Maintain engineering documentation, including design calculations, drawings, qualification reports, testing records, and engineering change documentation. • Mentor and coach engineering teams while fostering a culture of technical excellence, innovation, and continuous improvement. • Ensure compliance with company safety, quality, environmental, and regulatory requirements throughout all engineering activities. Skills • Expertise in mechanical product design and development for Well Completion Products. • Strong knowledge of Finite Element Analysis (FEA), stress analysis, fatigue analysis, and failure mode investigations. • Experience with Design for Manufacturability (DFM), Design for Assembly (DFA), and reliability engineering. • Proficiency with CAD software such as Creo, SolidWorks, NX, or equivalent. • Strong understanding of API, ISO, and Oil & Gas industry standards. • Experience in material selection, pressure vessel design, sealing technologies, and downhole mechanical systems. • Excellent analytical, problem-solving, technical leadership, and decision-making skills. • Strong communication and cross-functional collaboration abilities with global engineering teams. Qualifications • Bachelor's degree in Mechanical Engineering or a related discipline. • 15+ years of progressive experience in mechanical engineering, product design, and technical leadership. • Extensive experience in the Oil & Gas industry, with a strong focus on Well Completion Products. • Proven experience leading new product development, engineering analysis, and cross-functional project execution. • Master's degree or PhD in Mechanical Engineering is preferred. • Participation in technical societies, publications, or industry conferences is an added advantage. • Willingness to travel domestically and internationally (10–25%) as required.