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Level: Individual Contributor Employment Type: Full-time / Permanent Location: Mexico Job Function: APC Engineer Industry: Industrial Air Quality - Mechanical or Industrial Engineering Who We Are: AAF International is a global leader in the design and manufacture of Air Filtration Systems, Acoustic Systems and associated products and services. We are part of a global powerhouse that uses Filtration to transform the world. We invest in our people, and our people invest in our customers and communities. This mutual commitment is a foundation for our growth. So is an inclusive culture that encourages everyone to come to work as their whole selves and come together as a team that welcomes unique ideas, perspectives and backgrounds. We’re not just innovating on the outside. We’re innovating on the inside to unlock people’s unlimited potential and bring out the diverse and ground-breaking ideas that will help us solve today’s most pressing challenges. We offer more than a paycheck. AAF is where you’ll be heard, be valued, belong — and be able to make your mark. Our Company Values: We endeavour to create a work environment that reflects the culture of the company, and we encourage every member of our staff to embrace our commitment to be: Professional Safety & Quality Driven Goal Orientated Customer Focused Continuously Improving Flexible Open & Integrated Position Summary: We are currently recruiting for a APC Engineer to join the existing Industrial Air Quality Business Unit team in our Power & Industrial (P&I) Division. The successful candidate will be responsible for providing technical application and engineering support to the operations side of the Industrial Air Quality / Air Pollution Control business, including engineering, projects, purchasing, logistics, service, and drafting teams. This role ensures that APC equipment, systems, and related deliverables are technically reviewed, properly designed, aligned with customer specifications and AAF standards, and suitable for execution, installation, operation, and maintenance. The position will support the validation of design basis, airflow requirements, pressure drop calculations, hood and ductwork design criteria, product application, technical risk assessment, warranty analysis, troubleshooting, and technical reports related to APC systems and products. The APC Engineer will also support project performance through technical reviews, 2D/3D design tools, fabrication work packages, BOM generation, part number coordination, and ERP-related engineering inputs. Position Responsibilities: • Provide technical application support for APC systems and products to the operations team, including engineering, projects, purchasing, logistics, service, and drafting teams, ensuring that technical decisions are aligned with AAF standards, customer requirements, and execution feasibility. • Review and validate technical criteria, design basis, customer specifications, proposals, and purchase orders to identify critical requirements, deviations, risks, exclusions, applicable standards, and non-negotiable technical considerations before execution. • Validate APC system design criteria, including airflow requirements, ductwork velocities, pressure drop calculations, hood capture requirements, equipment selection criteria, system resistance, installation conditions, and operating assumptions. • Support the drafting and engineering teams with technical guidance for 2D/3D layouts, equipment arrangements, ductwork routing, fabrication drawings, BOMs, part numbers, work packages, and ERP-related engineering inputs. • Prepare, review, validate, and approve technical reports related to troubleshooting, design basis review, installation assessment, operation and maintenance conditions, system performance, service findings, warranty claims, and cu