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Chief, Climate Change Section, P5

United Nations — International Civil Aviation Organization · Montreal

Fixed-term Climate & Carbon Executive

Contract Fixed-term

Experience Executive

Closing Date October 19, 2026

Sector Climate & Carbon

Job Description

Org. Setting and ReportingThe Climate Change (CC) Section in the Air Transport Bureau is one of sections charged with delivering results with respect to ICAO’s Strategic Goal – Aviation is Environmentally Sustainable. The Section is responsible for the development of policies, conducting studies and providing guidance on measures to address aviation’s contribution to climate change toward the achievement of ICAO global aspirational goals, including Sustainable Aviation Fuels (SAF), Lower Carbon Aviation Fuels (LCAF) and other aviation cleaner energies, market-based measures (MBMs) and Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA), as well as cooperation on climate change with other United Nations bodies and international organizations. The Section is also responsible for supporting the development and implementation of ICAO Assistance, Capacity-building and Training (ACT) programmes including for CORSIA and State Action Plans on CO2 Emissions Reduction Activities and related assistance activities/projects for States. It also provides support to the Assembly, the Council and its subsidiary bodies, including the Climate and Workplace Committee (CEC), Committee on Aviation Environmental Protection (CAEP) and Technical Advisory Body (TAB). The incumbent reports directly to the Deputy Director, Environment and Cleaner Energy (DD/ENV), from whom s/he seeks advice and guidance on complex, policy, technical and managerial issues.



The incumbent, as Chief of the Section, supervises all Professional and General Service staff of the Section and is responsible for his/her actions and decisions as well as for the quality of services delivered by all staff members of the Section. The supervisory level includes technical supervision, coaching and training, as well as performance evaluation, delegation and distribution of tasks, and decision on priorities.

Responsibilities

Function 1 (incl. Expected results) Leads and manages work programmes related to ICAO global regulatory framework to reduce the adverse environmental impact of aviation greenhouse gas emissions on the global climate, achieving results such as:

- Take the lead in integrated, comprehensive and timely analysis, planning, delivery, assessment and reporting of climate change related projects and activities.
- Build and stimulate partnerships and cooperation with other international organizations, regional organizations and industry that result in combined efforts to address global climate change issues.
- Represent ICAO at UN and other UN agencies’ meetings, if required, enhancing recognition of ICAO leadership in climate change discussion.
- Supervise the development and timely delivery of outreach products related to international aviation and climate change.
- Ensure that civil aviation’s interests and specificities,



as well as commitments to contributing to the reduction of the environmental impacts, are well reflected in international fora, such as United Nations Framework Convention on Climate Change (UNFCCC) and Conferences of the Parties (COP).
- Closely monitor work of relevance to ICAO including on aviation cleaner energies, carbon markets, climate finance and setting‑related levies under the UNFCCC process and other international forums.
- Coordinate with Environmental Standards Section and Economic Development Branch regarding the analyses on environmental benefits and economic reasonableness, and the collection of environment‑related data.

Function 2 (incl. Expected results) Leads and manages work programmes to advance activities related to CORSIA implementation, achieving results such as:

- Ensure the timely provision of coordinated inputs to the Council and CEC by integrating various technical recommendations and inputs provided by CAEP, TAB etc, including for the development and maintenance of relevant Annex 16, Volume IV SARPs, associated guidance and tools related to CORSIA implementation.
- Ensure the operations of the ICAO CORSIA Central Registry (CCR), and coordinate with States and relevant stakeholders for timely submission and review of CO₂ emissions data and other information.
- Facilitate, monitor and report the progress for the implementation of CORSIA in accordance with Assembly Resolutions, Council Decisions and the relevant Annex 16, Volume IV SARPs and guidance.
- Coordinate the work to conduct quantitative environmental and economic impact assessments of MBMs, particularly in support of CORSIA periodic reviews an

📌 Chief, Climate Change Section, (Montreal)
🏢 Responsible Us
📍 Montreal