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Nikki Lau

Data Analyst



My Portfolio Highlights

My New Course

Introduction to Power BI

Insights whisperer, uncovering hidden gems in the vast realm of information.

My Work

Take a look at my latest work.


Introduction to Power BI


Understanding Data Engineering


Understanding Cloud Computing

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Telstra | Nov 2022 - Present

Data Insights Analytics Analyst (Operations Services)

• Developed a comprehensive Power BI dashboard to provide a consolidated overview of operational metrics, utilised by senior management and executives to gain insights into the performance of their respective Technology team and department • Performed analysis on employee Pulse Surveys from Department to identify areas of improvement and to provide feedback to Senior Leadership Team (SLT) to improve and increase employee satisfaction • Designed a Power BI dashboard to showcase Net Promoter Score (NPS) metrics to improve customer satisfaction by identifying issues and pain points in the business • Collaborated closely with stakeholders and management to provide operational reporting insights through Power BI dashboards (Ticket Volume, Call Volume, Agent Availability, NPS, SLA) • Scrutinised data accuracy and manipulated large data sets to perform statistical analyses for use in prescriptive and predictive modelling • Presented strategic and operational insights through compelling dashboards to senior management and executives of diverse technical proficiencies, driving data-driven decisions and operational performance improvement
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Telstra | Sep 2022 - Nov 2022

Data Specialist (SOCA)

• Designed relational database model for cyber threat models • Sourced relevant data and built a database to store cyber-attack methodologies using PostgreSQL • Developed UI prototypes and visual designs for a web application to allow user to log cyber threats

Telstra | Feb 2022 - Aug 2022

Data Specialist (Complex Customer Solutions)

• Constructed a Power BI dashboard to provide an in-depth analysis of ticket and call volumes, and ticket response and resolution metrics to assist with the evaluation of agent performance by management • Designed and built a Power BI dashboard to showcase service level agreement (SLA) compliance and identified key drivers to increase overall SLA compliance • Sourced, organised, and extracted data from multiple sources to create automated report scheduling and data flows for dashboard reporting

Retail Data Acquisition Services | Jan 2021 - Dec 2021

Client Data Analyst

competitor product range, packaging sizes, and pricing, delivering actionable recommendations to enhance the client's competitive positioning • Executed ETL processes, conducted data manipulation and performed statistical analyses • Employed Python and Excel for data analysis and data validation, effectively identifying and rectifying data anomalies within both structured and unstructured data

Monash Health | Nov 2017 - Mar 2020

Medical Scientist - Microbiology, Molecular Microbiology

• Processed and interpreted microbial growth on various media using biochemical methods and MALDI-TOF • Conducted microbial isolation, identification and sensitivity testing to determine antibiotic resistance

Monash Health | Jul 2017 - Nov 2017

Medical Scientist - Molecular Microbiology

• Perform DNA and RNA extraction from microbial samples and used Polymerase Chain Reaction (PCR) to amplify DNA and RNA segments for identification • Utilised molecular techniques such as PCR and Next-Generation Sequencing (NGS) to detect and characterise microorganisms

Monash University | Jul 2016 - Jul 2017

Teaching Associate - Business Statistics

• Topics covered: descriptive statistics for revealing the information contained in data; dealing with uncertainty; probability distributions; confidence interval estimation and hypothesis testing techniques; analysis of relationships between variables using linear regression; forecasting time series data

My Education

Take a look at my formal education

RMIT University
RMIT University
RMIT University
RMIT University
Monash University

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