Summary
Overview
Work History
Education
Skills
Timeline
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Zandrey Van Rooyen

Junior Sales Engineer
Cape Town

Summary

Dynamic Junior Sales Engineer with a proven track record at AERSA, excelling in client engagement and needs analysis. Leveraged effective communication and technical expertise to exceed sales targets, driving revenue growth. Skilled in developing tailored solutions and fostering strong relationships, ensuring project success and customer satisfaction.

Overview

6
6
years of professional experience

Work History

Junior Sales Engineer

AERSA
Cape Town
09.2023 - Current
  • Increased sales revenue by consistently meeting and exceeding sales targets through effective client presentations and product demonstrations.
  • Gained customer acceptance by demonstrating cost reductions and operations improvements.
  • Provided technical support to customers during pre-sales consultations, addressing concerns, and offering solutions tailored to their needs.
  • Developed customized proposals that demonstrated a clear understanding of client requirements and offered compelling solutions to meet their unique needs.
  • Captured opportunities for additional sales during project implementation and rollout with existing accounts.
  • Managed new chiller sales, including client site visits (local and international), load calculations, ROI analysis, technical comparisons, presentations, and achieving annual sales targets.
  • Oversaw rental chiller operations, from client communication and quote preparation to delivery planning, commissioning, fleet documentation, repair scheduling, and subcontractor coordination.
  • Handled Oxycom sales and technical support, including product data management, site load selections, technical training, inspections, and installation arrangements with contractors.
  • Built strong relationships with consultants, engineers, managers, and executives, driving business opportunities across sales and rentals.
  • Ensured efficient project execution through meticulous documentation, scheduling, and use of digital tools (e.g., AssetPool, Gantt charts, cost analyses).

Senior Refrigeration Mechanic

Apollo Air Conditioning
Cape Town
11.2022 - 08.2023
  • Used technical skills, tools, and techniques like soldering to repair parts.
  • Provided expert advice to customers on proper care and maintenance of their refrigeration systems, ensuring long-term functionality and reliability.
  • Independently carried out the installation, servicing, and repair of chillers, heat pumps, CRAC units, and other HVAC-R systems across commercial and industrial sites.
  • Performed advanced fault-finding and diagnostics, including electrical and mechanical troubleshooting, system efficiency analysis, and performance optimization.
  • Conducted preventive and corrective maintenance, including refrigerant recovery/charging, leak detection, compressor overhauls, and component replacements.
  • Led the commissioning and decommissioning of equipment, ensuring compliance with safety regulations and environmental standards.
  • Coordinated with clients, contractors, and suppliers to deliver projects on time, while maintaining high service quality.
  • Maintained accurate service reports, technical documentation, and compliance records.

Apprentice Refrigeration Mechanic

Apollo Air
Cape Town
10.2019 - 10.2022
  • Assisted in the calibration of refrigeration system controls to maintain optimal temperature levels and reduce energy consumption.
  • Performed pressure tests on piping systems to ensure proper sealing and prevent potential leaks in newly installed units.
  • Utilized specialized tools and equipment to repair or replace faulty components within refrigeration systems.
  • Developed proficiency in reading and interpreting technical manuals, blueprints, and schematics for accurate troubleshooting and repair of various refrigeration systems.
  • Gained hands-on experience in the installation, maintenance, and repair of chillers, heat pumps, and CRAC (computer room air conditioning) units.
  • Assisted senior technicians with troubleshooting refrigeration and HVAC systems, including diagnosing faults, and implementing repairs.
  • Performed routine servicing, pressure testing, leak detection, refrigerant charging, and component replacement under supervision.
  • Supported the commissioning and decommissioning of equipment, ensuring compliance with safety standards and technical procedures.
  • Developed a strong technical foundation in refrigeration systems, electrical wiring, and control systems, while learning industry best practices.

Education

Red Seal – Refrigeration Mechanic - Refrigeration

Techniskills
Cape Town, South Africa
04.2001 -

High School Diploma -

Kempton Park High School
Kempton Park, South Africa
12-2018

Skills

Timeline

Junior Sales Engineer

AERSA
09.2023 - Current

Senior Refrigeration Mechanic

Apollo Air Conditioning
11.2022 - 08.2023

Apprentice Refrigeration Mechanic

Apollo Air
10.2019 - 10.2022

Red Seal – Refrigeration Mechanic - Refrigeration

Techniskills
04.2001 -

High School Diploma -

Kempton Park High School

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Zandrey Van Rooyen Junior Sales Engineer