Sustainability Data Analyst

Robert Walters South Africa

Duties & Responsibilities

Company: Financial Services

Location: Cape Town (Fully 5-day office-based role with flexibility)

Salary: Competitive and based on experience

Level: Mid - senior

Job Advert by: Jasmine Araujo

Date: July 2026

A leading JSE-listed Financial Services organisation is seeking a Sustainability Data Analyst to join their expanding sustainability department in Cape Town. This pivotal role offers you the opportunity to contribute directly to renewable energy, water stewardship, resource efficiency, and social upliftment initiatives across a high-value portfolio.

You will be part of a small, high-performing team that values collaboration, continuous learning, and professional growth. The position promises increasing responsibility over time, broadening both your technical and commercial expertise while supporting strategic business decisions through advanced data analytics and automation.

If you are passionate about sustainability, enjoy working with numbers and people alike, and thrive in a professional environment that encourages innovation and knowledge sharing, this is your chance to make a meaningful impact.

Key qualifications and experience required for the Sustainability Data Analyst

• A degree in Finance, Computer Science, Chemical/Electrical Engineering, Econometrics or another discipline with strong quantitative focus.
• Minimum 3-5 years' experience in a similar analytical position where you have demonstrated your ability to work with complex datasets.
• Proficiency in Python for automation tasks including scripting and data analysis (Essential).
• Data modelling experience
• API integrations experience

Key duties for the Sustainability Data Analyst

• Analyse complex datasets related to energy consumption, water usage, and social metrics to identify trends, risks, and opportunities for improvement across the portfolio.
• Validate and interpret data from multiple internal and external sources to ensure accuracy and integrity throughout all reporting processes.
• Prepare detailed financial and operational analyses that support investment decisions and strategic business planning within the sustainability function.
• Produce clear reports, graphs, visualisations, and presentations that effectively communicate usage patterns and emerging trends to stakeholders.
• Maintain and enhance existing analytical models, dashboards, and reporting tools to improve operational efficiency and decision-making capabilities.
• Identify opportunities for process improvement by reducing manual tasks through automation using Python scripts and web scrapers.
• Uphold quality standards and governance of sustainability data across all systems and tools to ensure compliance with best practices.
• Support the preparation of annual Sustainability Reports, Integrated Annual Reports, and stakeholder presentations by providing insightful commentary and research recommendations.
• Liaise with internal teams as well as external consultants in preparing reports and responding to queries from other departments regarding sustainability initiatives.
• Assist with the implementation of renewable energy projects such as battery storage or water resilience solutions by monitoring performance and coordinating project documentation.

Key skills

• Advanced skills in MS Excel for modelling - NB
• MS Word, PowerPoint for creating compelling presentations; plus strong data visualisation capability are vital.
• Ability to think outside the box - generate new ideas
• Go getter, eager to learn, energetic
• Demonstrated experience producing accurate reports from large datasets
• Strong organisational skills coupled with proven project coordination abilities
• A proactive approach combined with adaptability.
• Personal qualities such as integrity, credibility, and commitment to professional ethics
• Sound judgement when applying responsibilities within policy guidelines

What's next

If you are ready to make a meaningful contribution towards sustainable development while advancing your career within a supportive team environment, apply today!