Jonathan Challinor Email & Phone Number

Government Sector Subject Matter Expert, transition and Service Introduction

Various senior contract roles over a 10 year period including:TECHNICAL & OPERATIONAL SME on a senior programme management team for major transformation of 74,000 legacy TDM devices to VoIP over a new CESG governed PSN Wide Area Network (600 sites). Responsible for release, engineering & delivery issues, technical & operational consultancy, live service delivery & acceptance & production of technical & operational live service manuals.LIVE SERVICE MANAGER responsible for the… Show more Various senior contract roles over a 10 year period including:TECHNICAL & OPERATIONAL SME on a senior programme management team for major transformation of 74,000 legacy TDM devices to VoIP over a new CESG governed PSN Wide Area Network (600 sites). Responsible for release, engineering & delivery issues, technical & operational consultancy, live service delivery & acceptance & production of technical & operational live service manuals.LIVE SERVICE MANAGER responsible for the Wide Area Network from delivery to support & maintenance, production of MIS, regular client reviews, on call & management of high priority incidents, general incident management, problem management & change management to ITIL best practice. Negotiating OLA’s, SLA’s, KPI’s, PI’s & service measures.TECHNICAL DIRECTOR for extremely complex technical transition, service introduction & contractual change in ownership including TUPE & commercial negotiations, from bid & define through to completion. 300 Wide Area Network connections, 300 LAN’s, multiple MAN’s & campus networks, large scale confidential network to IL4 & above, including enhanced grade encryption.INFRASTRUCTURE MANAGER for large scale Head of Duty mid range application with a 30,000 user base. Responsible for ensuring supporting infrastructure across multiple sites & 3 data centres were maintained & operational in order to meet stringent IT SLA’s for the service. Also responsible for the transformation & adaptation of the service as part of ongoing service improvements.SENIOR STREAM LEAD responsible for delivery of all infrastructure components required to underpin the relocation of a large scale Head of Duty mid range application with a 30,000 user base. Infrastructure included networks, enhanced grade encryption & Active Directory to support the service. Due to the age of the service many legacy services & older protocols had to be used such as bridged networks, RFC1006, OSI, Bolden James, Impart & FTP. Show less

Various contract positions including:TEAM LEADER responsible for all aspects of a support network of 500 PC’s with 5 staff including refresh, maintenance, ongoing support, active directory, email, SUS, backups & application supportPROJECT MANAGER for a variety of ad hoc Cat5e, CW1308 & Fibre Optic Implementations on campus sites from design to implementations using third party contractors. Infrastructures provided to support networks on government sites. Necessary to ensure air… Show more Various contract positions including:TEAM LEADER responsible for all aspects of a support network of 500 PC’s with 5 staff including refresh, maintenance, ongoing support, active directory, email, SUS, backups & application supportPROJECT MANAGER for a variety of ad hoc Cat5e, CW1308 & Fibre Optic Implementations on campus sites from design to implementations using third party contractors. Infrastructures provided to support networks on government sites. Necessary to ensure air gapped networks in the same buildings. Design included the Equipment Rooms, M&E, Air Handling, Earth Bonding, False floors, & premise distribution over CAT5e using Ethernet, fibre optic backbones, multi & single mode fibre & managing the delivery of line plant for transmission network providers. Full documentation provided on completion to ensure security accreditation is attained.IMPLEMENTATION MANAGER for Small Sites & point to point services using Cisco, KiloStream, CES, LES, MegaStream 1, MegaStream Genus & CellStream. Manage the ordering delivery & implementation of internal & external line plant, delivery of terminating equipment, way leave & civil in conjunction with the Transmission Network Provider. Show less

Project manager responsible for the day to day delivery of all components of the European Wide Area Data Network in support of large Corporate Networks and Large Service Providers such as AOL and Pipex. Concentrating on the delivery of the Transmission Networks and Cisco equipment.

NETWORK CONSULTANT seconded by a Government IT Department for the migration of mainframe services from the legacy GDN network to a new MPLS Service using X25 encapsulation over IP.PROJECT MANAGER managing delivery of a Reorganisation Programme including 6 head offices, refresh of the Wide Area Network from lease line MAN environment to a cloud based network. Reconfigurations of the desktops, IP address ranges and printing solutions. Reconfiguration of legacy mainframe servers and a… Show more NETWORK CONSULTANT seconded by a Government IT Department for the migration of mainframe services from the legacy GDN network to a new MPLS Service using X25 encapsulation over IP.PROJECT MANAGER managing delivery of a Reorganisation Programme including 6 head offices, refresh of the Wide Area Network from lease line MAN environment to a cloud based network. Reconfigurations of the desktops, IP address ranges and printing solutions. Reconfiguration of legacy mainframe servers and a Novell Network with the new IPX external addresses. Topologies supported included OSI, mainframe applications, bridged and routed traffic, mainframe servers and lease line networks. Responsible for the design and implementation of a brand new network including telephony and desktops to 5 new buildings. New data and telephony network supporting 4000 staff in 5 new buildings including telephone switches, a MAN environment configured into a ring topology and a new call centre based at an existing legacy building. Show less

Project Manager responsible for the day to day delivery of all components of the European Wide Area Data Network in support of large Corporate Networks and Large Service Providers such as AOL and Pipex. Concentrating on the delivery of the Transmission Networks and Cisco equipment.

PROJECT MANAGER designing and implementing 22 purpose built equipment rooms to house the core infrastructure of the Post Office IT Network. Included building management, remote access, water detection, physical security, ACU, false floors and purpose built electrical distribution and Faraday cages.IMPLEMENTATION MANAGER planning, implementing and managing of third party contractors in the relocation of 22 core infrastructure equipment rooms from legacy environments to new purpose built… Show more PROJECT MANAGER designing and implementing 22 purpose built equipment rooms to house the core infrastructure of the Post Office IT Network. Included building management, remote access, water detection, physical security, ACU, false floors and purpose built electrical distribution and Faraday cages.IMPLEMENTATION MANAGER planning, implementing and managing of third party contractors in the relocation of 22 core infrastructure equipment rooms from legacy environments to new purpose built rooms.ENGINEER migrating services from a legacy X25 Network to a Frame Relay network including virtual DPNSS trunk circuits for Siemens Transit Switches. 1st and 2nd line support of a Cisco and Cray network. Physical roll out of a 600 site X25 network and the subsequent cut over from Plessey X25 network to a Cray X25 Network. Show less

Project Engineer responsible for the removal of all electronic equipment from walls within 6 Northern Line Stations while maintaining live service to enable removal of lead paint. Restoration of vital services on completion. Responsible for the specification, invitation to tender, tender responses, evaluation, awarding and management of the successful third party contractor.