Samuel Josua Du Piesanie

Joesten Group

Lead engineering operations across multiple companies within the Joesten Group, delivering technical expertise and project management in diverse industries including Oil & Gas, Energy, Cement, Plastic, and Mining.

Joesten International
Agent for RENK gearboxes and couplings, MAAG Group, and Pillar Blowers & Compressors servicing Oil & Gas, Energy, Cement, and Plastic sectors.

• Plan and execute complex refurbishment projects and shutdowns, coordinating local service engineers to ensure on-time delivery.
• Directly manage and participate in complex service tasks domestically and internationally, ensuring successful project outcomes.
• Conduct root cause failure analyses and implement preventive strategies aligned with OEM standards.
• Lead training and knowledge transfer to assistant engineers, supporting skill development and operational excellence.
• Produce detailed technical reports for effective communication with customers and third parties.

Joesten Marketing
Design and manufacturing company serving the Mining industry.

• Manage engineering teams to deliver projects aligned with customer specifications.
• Oversee design evaluations ensuring manufacturability and serviceability of components.
• Facilitate knowledge sharing and reverse engineering efforts to develop innovative engineering solutions.

Additional contributions include technical support to AMP software as an expert user and training facilitation at Trianagram, enhancing team competencies across the group.

• Spearheaded the redesign of a flagship product line, resulting in a measurable increase in sales revenue.
• Led solution development using SolidWorks CAD software for precise and efficient product design.
• Chaired cross-functional design team meetings, driving accountability through clear action items.
• Collaborated with senior leadership to improve RCA (Root Cause Analysis) methodologies and implement corrective actions.
• Conducted Finite Element Analysis (FEA) to verify product durability and ensure compliance with design standards.
• Standardized quality control (QC), SOPs, and engineering protocols across multiple business units.
• Directed conceptual design, R&D prototyping, and product validation through iterative modeling and testing.
• Executed complex engineering calculations and authored technical reports to support design decisions.
• Maintained strict control over engineering drawings, documentation, and versioning for audit compliance.
• Managed Engineering Change Requests (ECRs) and controlled design updates to ensure traceability and accuracy.
• Utilized 3D scanning for reverse engineering and integration of physical data into CAD workflows.
• Applied 3D printing for conceptual modeling, improving design visualization and early-stage validation.

• Engineering calculations
• Leveraged advanced software tools for enhanced accuracy in simulations, reducing the need for physical prototyping expenses.
• Demonstrated exceptional leadership skills, effectively managing team dynamics and resolving conflicts to maintain harmonious working relationships.
• Increased customer satisfaction, addressing design-related concerns promptly and incorporating feedback into future projects.
• Developed innovative solutions for complex design challenges, resulting in industry recognition and increased market share.
• Conducted detailed engineering calculations and static FEA reports using advanced simulation tools.
• Validated technical drawings and designs to ensure compliance and manufacturablity.

• Reduced rework instances through diligent validation of CAD data against customer requirements before finalizing designs.
• Utilized advanced simulation tools to validate engineering designs before implementation, minimizing potential issues during production stages.
• Collaborated with cross-functional teams to ensure seamless integration of engineering designs into final products.
• Maintained up-to-date knowledge of applicable codes, regulations, and industry standards, ensuring full compliance in all engineering designs.

• CAD Design
• Developed test and support equipment recommendations to enhance and streamline testing activities.
• Interacted with suppliers, contractors and customers to identify material problems and process resolutions.
• Collaborated with cross-functional teams to optimize product designs and manufacturing processes.

• PLC programmer, Sensory & Electrical wiring
• Lab Head TUT Mechatronics
• Continually updated technical knowledge through relevant professional development courses, staying current with industry trends and best practices in PLC programming.
• Cyber Junckyard 2012 Team Recieved 2nd Place