Support systems
Configure, troubleshoot, document, and support technology in the context of the people and workflow around it.
- Technical support
- POS systems
- User guidance
- Troubleshooting
- Documentation
People supported · Systems understood · Work improved
I’m Guozhi “Sam” Chen, a multilingual systems and technical support professional who brings together user support, practical IT foundations, and real operational experience.
Technical thinking grounded in real operations
My background spans POS support, customer-specific interface setup, website maintenance, responsive web work, accurate operational records, inventory control, and cross-team coordination. That mix helps me troubleshoot with context instead of treating technology as an isolated box.
At Unitec, I extended that experience through Level 8 study in mobile and wireless communications, cloud, cyber security, IoT, data science, machine learning, business intelligence, and IT project management.
Target roles
Three connected strengths
Configure, troubleshoot, document, and support technology in the context of the people and workflow around it.
Apply postgraduate foundations in networks, wireless communications, cloud, cyber security, and connected devices.
Connect reliable records, clear processes, and practical communication across technical and operational teams.
Selected technical work
Unitec ISCG8052 · Internet of Things · Grade A-
Designed a Raspberry Pi and Sense HAT workflow to capture temperature, pressure, and humidity, then send JSON readings to a RestDB NoSQL backend over HTTP.
Analysed 11,651 sensor readings in R, investigated abnormal values, and documented connectivity, usability, performance, and security test considerations.
Project evidence is loaded asynchronously from this site’s JSON endpoint, with a built-in local fallback.
Practical delivery
2023 — Present
TOKYO FOOD Co., LTD
Maintain accurate stock information, complete quality checks and stocktakes, coordinate inbound and outbound work, support customers and colleagues across languages, and contribute to workflow and website improvements.
2022 — 2023
Greenstar Wholesale Holding Ltd
Updated Excel inventory records, handled product and dispatch checks, supported sales enquiries, and improved day-to-day stock visibility and organisation.
2022
LECHO International Limited
Configured and maintained POS systems, supported customer-specific interfaces, troubleshot technical enquiries, assisted demonstrations, and translated user needs into practical technical responses.
2018 — 2020
TV33 · Atua Trading
Contributed to a responsive Vue application, then produced and maintained a business website while supporting sales and customer enquiries.
2017
Lucror Foreign Exchange
Maintained accurate customer and compliance records, supported information-processing tasks, and helped select suitable software for reliable file handling.
Verified computing foundation
2021 — 2022
Unitec Institute of Technology
Data Science A+ · Internet of Things A- · Machine Learning B+ · Mobile & Wireless Communications B · Cyber Security & Cloud Computing B · Adaptive Business Intelligence B · IT Project Management B · Cloud Computing C+
2014 — 2018
Whitireia Community Polytechnic
Software development, web technologies, databases, information systems, and programming.
Built into this portfolio
ResponsiveLayouts adapt from wide screens to phones.
MVVMPortfolio data, interface state, and views are separated.
SPANavigation and project filtering happen without page reloads.
AJAXProject evidence is fetched asynchronously as JSON.
Auckland · New Zealand
I’m ready to contribute in systems support, network support, IT operations, technical support, or junior systems administration.