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Donal O'Ceallaigh possesses extensive experience in network engineering and data center management, currently serving as a Senior Data Center & Video Network Engineer at Breezeline since October 2018. Prior to this role, Donal held the position of Network Engineer II at Atlantic Broadband for a brief period in 2018 and worked as a Network Engineer I at MetroCast Communications from April 2016 to January 2018. Earlier in the career at MetroCast, spanning from June 2008 to April 2016, Donal progressed through various roles including Tier III and Tier II NOC Analyst, Technical Support Supervisor, and Technical Support Specialist, gaining a solid foundation in technical support and network operations.