Position summary

Aon is seeking a Corporate Sustainability (CS) Project Manager to support the development and operations of its global CS strategy. The role plays a key part in Aon’s internal and external sustainability reporting, greenhouse gas (GHG) emissions accounting, ESG ratings and disclosure strategy, and client engagement, advancing Aon’s global sustainability strategy through data-driven insights, reporting excellence, and cross-functional collaboration, working closely with senior leadership.

Why this role matters

Helping clients manage risk, including corporate sustainability and ESG risk, is core to Aon’s business, and the company sees opportunity in enhancing its own impact. This role is critical to advancing Aon’s sustainability narrative and impact, delivering the Impact Report, GHG reporting, and assurance readiness.

Key responsibilities

• Project-manage the Impact Report including timelines, stakeholder engagement, content development, and review.
• Manage GHG reporting end to end, reviewing the GHG inventory, assumptions, estimates, and related disclosures.
• Lead data collection of material quantitative metrics using a third-party ESG data management tool.
• Support assurance readiness by partnering with ESG Controllership to implement processes and controls and remediate gaps.
• Coordinate stakeholders across Sustainability, Finance, Legal, HR/People, and other functions for reporting requirements.
• Support ESG ratings by engaging and tracking questionnaires and rating indices (CDP, EcoVadis, MSCI, ISS, Sustainalytics) for consistency and excellence.
• Coordinate client communications on sustainability-related RFPs and questionnaires, ensuring consistency and accuracy, and support executive materials on sustainability performance and regulatory developments.
• Contribute to strategic initiatives such as Aon’s net-zero goal, engagement and wellbeing programme, community metrics, and colleague and supply chain sustainability engagement.

Team and stakeholders

The role works closely with senior leadership and coordinates across Sustainability, Finance, Legal, HR/People, ESG Controllership, and other functions, as well as external ESG rating agencies and clients.

Key details

This role is based in Chicago, IL (US), within Aon Corporation. It is eligible for an annual discretionary bonus and a comprehensive benefits package.

Requirements

• 5+ years of relevant experience in corporate sustainability reporting or facilities-related sustainability data management (large public company preferred).
• Knowledge of relevant GHG standards and reporting frameworks (e.g. GHG Protocol, CDP, SASB, GRI, TCFD).
• Ability to analyze data and generate insights to drive sustainability initiatives.
• Strong interpersonal skills and the ability to collaborate across teams, engaging individuals at all levels.
• Good judgement, able to work independently and proactively in a dynamic environment.
• A passion for sustainability and environmental stewardship.
• Bachelor’s degree in Environmental Science, Sustainability, Business Administration, or a related field.