Corissa Pierini

Operations and administrative professional with 8 years of experience supporting field-service and trades environments. Experienced in office coordination, A/P and A/R, invoicing, purchasing, vendor communication, scheduling, job documentation, reporting, customer escalations, and process improvement. Known for keeping high-volume operations organized, accurate, and moving.

Sales & Install Coordinator - HARMONY HEATING & AIR CONDITIONING - Calgary, AB

(2025-12 - 2026-09)

• Coordinated daily sales, installation, and service operations, including technician schedules, job readiness, customer requirements, and internal priorities.
• Maintained ServiceTitan records, work orders, customer accounts, invoices, payments, job documentation, and operational updates.
• Supported accounts payable and receivable through invoice processing, payment tracking, collections follow-up, and reconciliation support.
• Managed purchasing and parts ordering, vendor communication, order tracking, and material coordination for scheduled work.
• Coordinated quotes, warranties, job files, and communication between customers, field staff, sales, vendors, and management.
• Maintained operational and sales tracking reports and improved administrative workflows, documentation, and scheduling processes.

Sales & Install Coordinator - ACTION FURNACE - Calgary, AB

(2018-10 - 2025-12)

• Supported high-volume HVAC sales, installation, service, and office operations in a deadline-driven field-service environment.
• Coordinated technician and installation schedules, work orders, appointments, job requirements, and cross-department handoffs.
• Created and maintained quotes, orders, invoices, customer records, job files, warranties, and operational documentation in ServiceTitan.
• Assisted with invoicing, billing, payment processing, purchasing, parts ordering, vendor coordination, and administrative follow-up.
• Communicated with customers, technicians, sales representatives, suppliers, and internal teams to resolve issues and keep jobs moving.
• Produced operational and sales reporting, tracked outstanding requirements, verified data accuracy, and helped standardize office procedures.