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About Us Action Against Hunger leads the global movement to end hunger. We develop innovative solutions, advocate for lasting change, and reach 24 million people every year through proven hunger prevention and treatment programs. Operating in more than 50 countries, our teams partner with communities to address the root causes of hunger, including climate change, conflict, inequality, and emergencies. Action Against Hunger USA is part of the Action Against Hunger International network and currently manages operations in Kenya, South Sudan, Somalia, Tanzania, Uganda, Ethiopia, Zambia, and Haiti. In partnership with the Intergovernmental Authority on Development and the IGAD Climate Prediction and Applications Centre, Action Against Hunger is implementing a DG ECHO-funded Regional Disaster Preparedness Program across Ethiopia, Somalia, and Djibouti. The program also provides climate and malnutrition predictive-modelling support to South Sudan through a FAO-led DG ECHO consortium. We are seeking a  Regional Climate and Anticipatory Modeling Specialist  to provide technical leadership in climate science, hydrometeorological modelling, environmental-risk analysis, and anticipatory-action trigger development across the Greater Horn of Africa. About the Role The  Regional Climate and Anticipatory Modeling Specialist  will serve as the consortium’s technical authority for climate science, environmental risk, hydrometeorological modelling, early-warning systems, and anticipatory-action trigger development. Reporting to the Regional Consortium Coordinator, this role will translate climate intelligence from ICPAC, national meteorological agencies, and global modelling platforms into operational trigger matrices, Early Action Protocols, contingency plans, and preparedness decisions across Somalia, Ethiopia, Djibouti, and South Sudan. The Specialist will lead the calibration and validation of multi-hazard models, strengthen cross-border trigger systems, support climate-informed malnutrition modelling in South Sudan, and oversee the integration of DG ECHO Minimum Environmental Requirements throughout program delivery. This position is ideal for an experienced climate scientist or hydrometeorological modelling specialist who can translate advanced technical analysis into practical humanitarian decision-making in fragile and climate-vulnerable contexts. Key Responsibilities Lead the development, calibration, and validation of multi-hazard climate and hydrometeorological models supporting anticipatory action across Somalia, Ethiopia, Djibouti, and South Sudan. Analyze and integrate global, regional, and national climate datasets, including ERA5, MERRA-2, CHIRPS, NDVI, MODIS, IRI, ECMWF, GFS, and ICPAC seasonal forecasts. Apply drought, flood, heat, and climate-projection models—including SPI, SPEI, HBV, SWAT, and VIC—to produce decision-ready risk information for pastoral, agricultural, urban, and cross-border contexts. Assess shared river-basin risks, seasonal migration corridors, urban flash flooding, heat exposure, drought conditions, and climate impacts affecting vulnerable communities. Review existing early-warning systems and identify opportunities to strengthen interoperability between ICPAC, FEWS NET, IGAD PREPARE, national EWARS and IDSR systems, and operational anticipatory-action platforms. Produce accessible climate-risk bulletins, seasonal forecast summaries, technical reports, scientific briefs, and decision-support products for program teams, governments, donors, and regional partners. Lead the development and validation of multi-hazard trigger matrices integrating climate, hydrological, epidemiological, food-security, displacement, and conflict-sensitivity indicators. Conduct cross-border trigger-validation exercises across the Ethiopia–Somalia, Somalia–Djibouti, and Ethiopia–Djibouti corridors. Ensure trigger methodologies align with the SCALAA harmonization framework, t