Matthew Abreu
Sydney,NSW
Overview
15
15
years of professional experience
1
1
Certification
Work History
Process Operator
Pallion (ABC Refinery)
01.2019 - 06.2025
- Key Duties:
- Operating Refining Equipment
- Control furnaces for melting gold/silver doré bars.
- Monitor and adjust temperature, chlorine gas flow, and pressure during the Miller process.
- Operate associated equipment (slag skimmers, crucibles, ladles, etc.).
- Chlorine Injection Process (Miller Process)
- Inject chlorine gas into molten gold to oxidize and remove base metal impurities.
- Carefully monitor reaction rates and timing to avoid over-chlorination or gold loss.
- Monitoring Process Parameters - Continuously check and record temperatures, gas flow rates, metal purity, and other key metrics.
- Follow Health, Safety, and Environmental Compliance
- Quality Control Ensuring final gold bars meet required purity standard.
- Perform routine maintenance and troubleshooting on machinery
- Documentation and Reporting
- Keep detailed logs of refining batches, including input weights, gas used, time cycles, and final purity.
- Report safety incidents or quality issues to supervisors or metallurgists.
- Coordination with Other Teams
- Working in a timely and safe manner with colleagues
- Operating the ALS Machine
- Set up and operate the Acidless Separation unit, which uses vacuum distillation and heat to separate silver from gold without using acids like nitric or aqua regia.
- Control heating cycles, vacuum levels, and condenser functions for efficient metal separation.
- Monitor the vaporization of silver from the gold alloy as temperature rises.
- Metal input composition and output purity
- Adjust settings in real-time to maintain optimal separation efficiency and product purity.
- Handle and label the separated silver and gold outputs correctly.
- Maintain safety protocols for working with high temperatures and vacuum equipment.
- Avoid exposure to fumes or hot surfaces.
- Follow all procedures for environmental controls, since ALS is designed to be acid-free and low-emission.
- Maintenance and Troubleshooting
- Conduct daily checks and scheduled maintenance.
- Quickly respond to equipment alarms, leaks, or inconsistencies in separation.
- Data Recording and Reporting
- Report performance issues to supervisors or engineers.
- Coordinate with Refining supervisors for scheduling batches and maintenance teams for ensuring uptime of the ALS system.
Labourer/plasterer
Master Painters
01.2015 - 04.2016
- Key Duties:
- Surface Preparation Support
- Cleaning walls, ceilings, or surfaces before painting.
- Sanding or scraping old paint, wallpaper, or debris.
- Site Setup and Cleanup
- Setting up ladders, scaffolding, drop sheets, and materials.
- Ensuring the worksite is safe, clean, and organized.
- Material Handling
- Loading, unloading, and mixing paints or primers.
- Transporting tools and supplies for painters and plasterers.
- Assisting Painters
- Masking off areas (windows, trims, fixtures) before painting.
- Holding equipment or ladders and performing touch-ups.
- Waste Disposal
- Safely disposing of leftover materials and hazardous substances.
- Surface Repair & Preparation
- Filling cracks, holes, and imperfections in walls or ceilings.
- Applying base coats and skim coats to ensure smooth, even surfaces.
- Plaster Application
- Applying various plaster types for interior or exterior finishes.
- Texturing surfaces if specified before painting.
- Leveling and Smoothing
- Ensuring walls and ceilings are flat, level, and ready for painting.
- Drywall and Cornice Work (if applicable)
- Installing or repairing drywall.
- Collaboration with Painters
offsider professional
Just Squeezed Fruit Juices
11.2012 - 10.2014
- Key Duties:
- Loading the Vehicle: Help load cases of juice and beverages onto the delivery truck in an organized and secure manner. This might involve lifting heavy cartons or crates.
- Unloading at Delivery Points: Assist in unloading the goods at the customer’s location, ensuring that everything is handled properly and delivered to the right area.
- Stock Organization: Assist in organizing the stock for easy access, and ensure everything is in its proper place.
- Customer Communication: responsible for handling customer queries related to the product (e.g., flavors, freshness) or delivery timing, especially if the driver is busy with paperwork or other tasks.
- Delivery Sign-Off: Ensure that the customer signs off on the delivery receipt, confirming that the correct products have been delivered and received in good condition.
- Product Demonstration with new customers or new products including assisting and demonstrating how to use or store the beverages, especially in business settings like cafes or restaurants.
Labourer/Renderer
West concord aggregate
01.2010 - 08.2012
- Key Duties:
- Surface Preparation: Cleaning and prepping the pool surface before tiling, including removing any debris, dirt, or old materials.
- Tile Cutting: Cutting tiles to fit around edges, corners, and other irregular pool shapes using tile saws or cutters.
- Tile Setting: Applying mortar or adhesive to the pool's surface and setting tiles in place, ensuring they are evenly spaced and aligned.
- Grouting and Sealing: After tiles are set, grouting the spaces between tiles and sealing the surface to ensure water tightness and longevity.
- Tile Polishing and Finishing: Cleaning off any excess grout and polishing the tiles for a smooth, finished look.
- Safety and Handling Materials: Ensuring tiles and tools are handled properly and maintaining safety protocols while working with sharp tools and heavy materials.
- Surface Preparation: Ensuring that the pool surface is clean, roughened (if needed), and prepped for the PebbleCrete mix.
- Mixing and Handling Materials: Preparing the PebbleCrete mixture (a blend of cement, pebbles, and additives), ensuring the proper consistency for application.
- Application of PebbleCrete: Using trowels or other specialized tools to apply the PebbleCrete mixture evenly to the pool.
- Pebble Placement: Ensuring that pebbles are evenly distributed within the surface mix, or pushing the pebbles into the wet concrete mix for a uniform look.
- Finishing and Smoothing: Using floaters or finishing tools to smooth the surface and create a uniform texture.
- Curing and Sealing: Allowing the PebbleCrete surface to cure properly and applying a sealant if required to enhance durability and reduce water permeability.
Skills
- Strong knowledge of the fitness industry
- Written and verbal communication skills
- Ability to work in teams or independently
- Motivated and Passion-Driven
- Ability to work under pressure
- Highly adaptive, hardworking and enthusiastic
Certification
- 2018 - 2019 CERTIFICATE III IN FITNESS From the FITNESS INSTITUTE PTY LTD
- 2018 - 2019 CERTIFICATE IV IN FITNESS From the FITNESS INSTITUTE PTY LTD
- 2025 PROVIDE FIRST AID 28/03/2025
Languages
English: Fluent
Portuguese: intermediate
Timeline
Process Operator
Pallion (ABC Refinery)
01.2019 - 06.2025
Labourer/plasterer
Master Painters
01.2015 - 04.2016
offsider professional
Just Squeezed Fruit Juices
11.2012 - 10.2014
Labourer/Renderer
West concord aggregate
01.2010 - 08.2012
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