Raphael Mijares

Mechanical Engineer Intern at Mace Qatar (2026-05 – Present)

Gained exposure to industrial manufacturing operations including foundry, machine shop, pump assembly, fabrication, welding, CNC machining, and painting facilities.
Attended technical training and site visits on microtunneling operations, including shaft construction, pipe jacking systems, slurry circulation, hydraulic jacking, and tunnel alignment control.
Gained practical exposure to Doha West Sewage Treatment Plant (DWSTP) operations and process flow systems, including aeration tanks, clarifiers, filtration units, sludge treatment systems, and treated water distribution networks.
Observed mechanical and electrical maintenance activities, work orders, inspections, troubleshooting procedures, and preventive maintenance practices.
Gained exposure to centrifugal pumps, motors, non-return valves (NRVs), piping systems, and rotating equipment maintenance activities.
Gained exposure to pipeline inspection, cleaning, and rehabilitation operations using IBAK PANORAMO 360° CCTV inspection systems, hydro jetting, suction trucks, CIPP lining, and robotic cutting technologies for underground wastewater infrastructure maintenance.

Technical Operations & Maintenance Assistant at Event Developer (2025-03 – 2026-04)

Installed, maintained, and dismantled technical equipment and systems.
Performed troubleshooting, testing, and operational checks to ensure equipment reliability.
Conducted preventive maintenance and corrective actions to minimize downtime.
Monitored equipment performance and resolved technical issues during live operations.
Prepared maintenance records and coordinated with technical teams to ensure smooth operations.

Part-Time Technical & Event Support Roles at DECC & West Walk (2025-12 – 2026-01)

Supported audiovisual systems, graphics operation, and live event technical setup
Assisted in troubleshooting, presentations, and technical event operations
Provided on-site technical support during large-scale events

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