Alfonso Sierra

Provide invoicing and tax compliance solutions for individuals and SMEs, streamline admin processes and coordinate with accountants to ensure full regulatory alignment.

• Oversee day-to-day administration of family-owned assets, including residential rental properties and a fleet of heavy-duty trucks.
• Manage property leasing, tenant relations, and maintenance coordination to ensure occupancy and property value preservation.
• Coordinate logistics and rental of freight trucks; ensure operational readiness, handle mechanical issues, source parts, and supervise repairs to minimize downtime.
• Act as the primary decision-maker and operational point of contact to support business continuity.

• Led contract negotiations with construction firms and successfully secured four government-awarded infrastructure projects.
• Acted as the key liaison between contractors and internal teams to ensure project delivery.
• Oversaw site administration, procurement, and on-site coordination throughout project execution.

• Tracked orders and notified customers of status or potential delays.
• Coordinated with suppliers to ensure timely delivery of goods, minimizing stockouts.
• Developed relationships with key vendors, securing preferential treatment in pricing and terms negotiation.
• Collaborated with sales and customer service teams to address client concerns and expedite orders when necessary.

• Managed incoming sales orders and ensured alignment between customer requirements and production capacity.
• Coordinated with warehouse teams to verify material availability for custom ink and paint manufacturing.
• Routed approved orders to production; flagged material shortages and communicated with the purchasing department.
• Served as an operational link between sales, warehouse, and production to maintain workflow efficiency and on-time delivery.

• Supported travel logistics by coordinating itineraries and processing travel expense reports.
• Assisted in facility maintenance coordination and internal building services.
• Prepared administrative documentation and internal reports.
• Reported and tracked quality-related issues for continuous improvement efforts.

• Provided administrative assistance within the Sub-coordination of Financial Resources, supporting documentation control and internal filing systems.
• Handled physical organization and archiving of official financial documents to ensure compliance with internal audit protocols.
• Assisted with general office operations, including document reproduction, delivery of internal correspondence, and coordination of manual processes.
• Contributed to administrative efficiency in a high-volume public sector environment.