Sean Callaghan possesses expertise in solution architecture, integration, telecommunications, pre sales, solaris and 45 more skills. He is proficient in English. Colleagues describe him as "Sean is a great communicator, negotiator and problem solver. His has alot of knowledge and experience working in an Agile Scrum Team and on site delivering/ troubleshooting at a Customer - Govt site. He is respected and known to "calm the customer". He can bring a workshop together to discuss an Architectural Solution with Stakeholders and/or Customers. He is a professional with great manners and personality. A great person to work with, and gets the project or solution… Show more" and "I have known Sean for over 6 years now and he has supported me many times on Education projects and training deliverables that I have been involved in. He is always willing to offer advice and has always gone out of his way to assist, not only myself, but other members of the Telcordia Education team. He has even assisted in the delivery of the more customized technical training courses for specific customers where he has been the solution architect and as a “trainer” his presentation… Show more"