Senior BI Developer

TEKsystems; Sydney; Hybrid; AUD 120,000 - 180,000; Part time

Job summary

TEKsystems is seeking a Senior BI Developer in Sydney to design, build and deliver scalable Power BI solutions within a complex enterprise environment. You will transform data into actionable analytics, collaborating with Data Engineering and Data Science to support robust data pipelines and secure reporting.

The role requires strong hands-on expertise in Power BI, DAX, data modelling and SQL, with experience across ETL, data integration and performance optimization.

Qualifications

• Proven Senior BI Developer with Power BI focus.
• Strong hands-on Power BI, DAX, data modelling and SQL.
• Experience with data integration, ETL, data cleansing and migration.

Responsibilities

• Design and develop scalable data models for enterprise reporting.
• Build high-performing Power BI dashboards and reports.
• Source and integrate data from multiple systems (SQL Server, Oracle, cloud, APIs).
• Collaborate with Data Engineering and Data Science teams on data pipelines.
• Implement data security models including Row-Level Security (RLS).
• Manage BI environments and deployment pipelines (Dev, Test, Prod).
• Apply Git-based version control and CI/CD to BI assets.
• Document data models, data flows, and reporting solutions.
• Translate business requirements into analytical solutions with stakeholders.
• Mentor junior developers and drive BI best practices.

Skills

Power BI

DAX

SQL

Data Modelling

ETL

Data cleansing

Data migration

Tools

GitHub

Bitbucket

Job description

Developers/Programmers (Information and Communication Technology)

Contract/Temp

800 to 900

Analysis

Microsoft Power BI

Exposure to complex, mission?critical environments

Hybrid Working Arrangements to 50% WFH

About the Organisation

Our client is a large and complex government organisation undertaking significant data and digital transformation initiatives to modernise its technology landscape and strengthen enterprise analytics capabilities. The organisation is focused on enabling better operational and strategic decision-making through trusted data, scalable analytics, modern business intelligence solutions, and improved access to meaningful insights.

About the Role

We are seeking an experienced Senior BI Developer (Power BI / Data and Analytics) to design, develop, and deliver scalable business intelligence solutions across a complex enterprise environment.

The role will be responsible for transforming data into meaningful analytics through robust data models, high-performing Power BI dashboards, and modern BI practices. You will work closely with business stakeholders, Data Engineering, and Data Science teams to deliver reliable, scalable, and secure analytical solutions.

The successful candidate will bring strong hands-on experience across Power BI, DAX, data modelling, SQL, ETL, data integration, and performance optimisation, while also contributing to BI governance, deployment practices, documentation, mentoring, and continuous improvement.

Role: Senior BI Developer (Power BI / Data and Analytics)

Location: Sydney Olympic Park, NSW

Contract: Until 30 June 2027

Start Date: ASAP

Work Rights: Australian Citizens, Australian Permanent Residents, and New Zealand Citizens with a current New Zealand Passport

Key Accountabilities and Outcomes

Design and develop robust and scalable data models using industry best practices.

Develop intuitive and high-performing Power BI dashboards and reports.

Source and integrate data from multiple systems including SQL Server, Oracle, cloud platforms, and APIs.

Collaborate with Data Engineering and Data Science teams to support reliable and scalable data pipelines.

Design and implement data security models, including Row-Level Security (RLS).

Manage Power BI environments and deployment pipelines across Development, Test, and Production environments.

Apply Git-based version control and CI/CD practices across BI assets.

Maintain comprehensive documentation covering data models, data flows, and reporting solutions.

Work closely with business stakeholders to translate requirements into effective analytical solutions.

Undertake detailed data analysis, ETL, data cleansing, and data migration involving large datasets.

Apply optimisation techniques to improve Power BI report performance.

Mentor junior developers and contribute to team capability uplift.

Drive continuous improvement across BI practices and tooling.

Desired Experience and Capabilities

Proven experience as a Senior BI Developer, with a strong focus on Microsoft Power BI.

Strong hands-on experience with Power BI, DAX, data modelling, and SQL is mandatory.

Strong experience applying optimisation techniques to improve Power BI report performance.

Strong experience in detailed data analysis, ETL, data cleansing, and data migration.

Experience working with very large and complex datasets.

Strong experience designing scalable data models and enterprise reporting solutions.

Experience implementing Row-Level Security within Power BI environments.

Experience managing Power BI deployment pipelines across Dev, Test, and Production.

Extensive experience with version control tools including GitHub, Bitbucket, or similar.

Strong written, verbal, and interpersonal communication skills.

Experience with Python, R, and cloud technologies is highly desirable.

Skills Requirements

Power BI and DAX to Strong hands-on expertise developing complex Power BI dashboards, reports, measures, and analytical solutions.

Data Modelling and SQL to Strong capability designing robust data models and working with complex SQL datasets.

BI Performance Optimisation to Demonstrated ability to optimise Power BI reports for improved performance.

Data Integration and ETL to Strong experience integrating data from multiple systems and performing ETL, cleansing, and migration activities.

Stakeholder Management to Ability to build trusted relationships and translate business requirements into practical analytical solutions.

Effective Communication to Ability to clearly communicate with stakeholders across varying levels of technical expertise.

Time Management and Organisation to Ability to manage multiple priorities and competing deadlines.

Problem Solving to Strong analytical and critical-thinking skills with the ability to identify effective solutions.

Continuous Improvement to Ability to improve BI practices, tooling, performance, and delivery outcomes.

Additional Requirements

National Police Check.

Baseline National Security Clearance.

40 hours per week.

If you're ready to take on this exciting opportunity and join the team.