Following the devastation caused by the 2014 Ebola outbreak in Liberia there remains much to be done for the health system to fully recover and become resilient against any future public health threat. Liberia is a post-conflict setting having experienced prolonged years of civil conflict that weakened the health system. With the decline in the incidence of new Ebola cases in late 2014 and the progressive draw down of the emergency and humanitarian response resources from early 2015, the government of Liberia moved to set the scene for the health system's recovery and resilience through the development of a comprehensive seven-year Investment Plan for building a resilient health system (2015-2021). The Plan aims to ensure universal health coverage, guarantee health security and improve health outcomes for the population of Liberia, while complementing the National Health Policy and Plan (2011-2021). The plan requires the investment of 1.7 billion US dollars over a period of seven years and realignments that the Government of Liberia alone does not currently have the capacity to undertake without long term external support. This paper describes the experience of Liberia in the development of the Investment Plan for building a resilient health system following the 2014-15 Ebola crisis, the approaches, process and realignments that were undertaken, lessons learned, and the way forward. It aims to provide lessons for countries recovering from crises, on how to manage their system recovery efforts.