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Since 1994 I have been working as an independent consultant, trading as Questa Computing Ltd. In addition to a number of short assignments for private clients, I have supported several major clients in a range of capacities, as described below.
At National Grid (NGT), I have worked in a wide-ranging role contributing to the group’s IT Strategy, technology development, merger activities, and individual system architectures. I have contributed to major business and technical change, and developing the role of IS architects throughout National Grid.
I have worked with successive IS Strategy Managers to develop the formal IT Strategy, aiming to deliver increased business value while reducing inefficiency, fragmentation and duplication. I innovated popular ways to document and communicate the strategy - the unique and acclaimed “roadmap” representation was my own invention.
As National Grid has grown by acquisition, I have been involved in various pre- and post-merger activities, including moves towards a unified IT Strategy, streamlined technical governance, and a group-wide Internet structure. NG use various system sourcing options, and I have been involved in preparing ITTs, evaluating suppliers and solutions, assisting managers new to the systems procurement process, and providing technical supervision to suppliers.
In late 2002, working with external consultants and the business, I articulated a new vision for the systems supporting NG's asset and work management. This was based around a central asset repository, with an integrated document management system, a field force solution, and a comprehensive data warehouse with Business Intelligence tools, all integrated by a shared EAI backbone.
This has now been almost fully implemented through a major programme of IS and business change, and is delivering business value. In my role as Solution Architect for the £34M programme I provided guidance and supervision to internal and external service and solution providers, maintaining a “hands on” approach. In particular I have been actively involved in the analysis, solution design and resolution of a number of integration, performance and reliability issues.
I then led the replacement of the mobile PC platforms for the various field force solutions, replacing several disparate solutions with a solution family based on a common software architecture. As part of this programme I persuaded National Grid to take an agile approach to introducing a PDA “point of work” inspection solution, which helped deliver solid business benefit much more quickly and cheaply than the normal waterfall method would have done.
Since 2007 National Grid have been engaged in a major programme of systems replacement and rationalisation, starting with their core Asset and Work Management system and now extending to almost the entire landscape. This has included refreshing the integration architecture and building comprehensive integration with a new SAP “back office”. I have worked as Lead Solution Architect and Design Authority throughout this continuing programme, and can claim to have driven design decisions which have delivered innovative value or substantially reduced costs, risks and business impact. In particular by exploiting and extending the strong integration architecture developed earlier we have now managed at least five major system replacements with almost zero impact on other systems at each stage.
Most recently my focus has been on developing a Strategy and Architecture for “Strategic Asset Management”. This programme aims to create an environment in which traditional asset data can be combined with data collected directly from assets in near real time, subject to novel analyses and presented through graphical composite applications to enable a move to condition, risk and criticality-based asset maintenance and replacement planning. As such it will form a major plank of Transmission’s strategy to meet their obligations between now and 2020. The initial stage has delivered an enabling communications and security layer, and I am now developing the data management and application architecture which will exploit this.
I work closely with a number of senior business managers, to develop and communicate the planned IT changes and ensure they meet the business aims. My success in defining and executing the Solution Architect role has been recognised by NG, who have made it the template for architects throughout the organisation.
BEPET were in the process of refreshing many of their trading systems. In this short engagement I helped define the requirements, future architecture and project direction for the Retail Spine, which handles the commercial processes for around 10% of Britain’s electricity, supplied to some of its largest corporate consumers.
LMS proposed a major innovation in their core business process, remortgage conveyancing. I assessed whether their existing systems could support the revised process and what changes would be required. I then provided consultancy as this moved into the implementation phase.
I regularly review book proposals and manuscripts for this major technical publisher.
Marks and Spencer had an urgent business requirement for a new back office system, for which several previous projects had failed. It was subject to a number of severe and conflicting constraints limiting timescales, the delivery of new software, and available WAN bandwidth. I designed a solution which met the very tight deadlines, used roughly 1% of the previous communications bandwidth, and exploited the existing Microsoft Office/Exchange infrastructure to deliver substantial functionality without any new components at the desktop. The solution reduced a key business process necessary to get and keep goods on sale from over 14 days to a few hours.
I provided technical leadership for two years, as the design was substantially extended in scope, including multi-country and multilingual support. Complex business and formatting rules were moved from the code to a rule database, substantially reducing the source code, and the system migrated to a very flexible component-based architecture.
Marks and Spencer cited me as co-inventor (with the key business manager) in a patent application covering several important concepts from this system. After the main project I continued to provide occasional consultancy for its development, including a working thin-client prototype of the system, using Microsoft .NET technology, developed in just ten days.
In Summer 2000 I undertook a short fixed-price study to assess Faith's existing IT provision, and possible ways in which it might evolve to support new business models such as collaborative working with suppliers using eCommerce technology.
This led in 2001 to my involvement in a project to establish a Management Information database, and support for new business models. I developed a proprietary transport-independent EAI messaging system running between the stores and their head office supporting data warehousing, software distribution, application integration and distributed near-real-time processing.
During this short assignment, I provided support for both the development of the system architecture and supporting standards, and also for the development of an intranet-based toolset for document distribution and control within the development team.
Oracle’s Interactive Services Project was developing the platform for British Interactive Broadcasting’s interactive digital television service. I undertook a review of the design to assess its likely reliability, which included the development of a novel Fault Tree Analysis technique for such systems. In addition, I supported the development of system test plans and technical strategies for aspects such as error handling.
This project centred around porting the Livingston Group's rental systems from a legacy Data General architecture to a more flexible Unix/Oracle base.
I defined the overall architecture for the new system. Performance benchmarking and prototyping exercises saved the client several hundred thousand pounds by allowing the use of lower-specification hardware . The performance prediction work led to a paper for the EUROStar '96 testing conference.
A leading role in commissioning the new infrastructure included setting up the Sun servers, defining a disaster recover plan and operational procedures, sorting out LAN communications and establishing new configuration control tools. I also set up a Wide Area Network between several European sites, using ISDN and the Suns as WAN routers.
Thereafter I specified, designed and implemented the following:
I supported the introduction of Windows-based code control and automated test tools, and helped define repeatable system testing for the project. To control delivery of complex software infrastructure components, I specified, designed and built a unique PC-based configuration tool using PVCS and a component database. I also led a project to update, index and promote the development method and standards, to encourage developers to adopt and follow them.
© Questa Computing Ltd. 1999
Page last updated
23 May, 2011 20:03