John O'Brien has extensive experience in the aviation engineering sector, having held several key positions at Ryanair from November 2006 to 2006, including Outstation Engineering Manager, Line Engineering Shift Leader, Data Stewart Engineering, and Engineering Maintenance Contracts Manager. Since April 2021, John O'Brien has served as Maintenance Contracts Manager at Ryanair UK. Prior to this, John O'Brien worked at Aer Lingus from 1988 to 2001, where the role was Engineering Shift Leader.
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