Andrew Johnston: Architecture and Consultancy Services
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Experience and Case Studies

This page presents a summary of my more than 30 years' career. Details are provided in the form of case studies, and also as an approximately chronological account focused on my interaction with each of my customers and earlier employers.

Aviva Plc. (March 2018 – March 2020)

Capacity management / improvement for a key UK insurance industry API. Solution Architecture for multiple smaller projects.

Case studies: API Capacity Management, Key project solution architecture

UBS Plc. (May – November 2017)

Development of network orchestration and automation solutions.

Case study: Development of network orchestration

Yodel Ltd. (June 2015 – February 2017)

Enterprise/Solution Architect for core system development programme.

Case study: Enterprise architecture for core system replacement

TRW Inc / ID-Workshop Ltd. (May 2014 – February 2017)

Programme architect for development of a web-based portal for the automotive aftermarket.

Case studies: Automotive portal development, Automotive Knowledge Base development

Coleman Research Group (September 2014 – Present)

Consultancy to potential investors in IT-based businesses.

National Grid Plc. / IBM (February 1997 – present)

IT Strategy, solution architecture, enterprise integration, asset, document and mobile field force solutions, portfolio design authority, architect role development, data centre migration.

Case studies: Data Centre Migration, Smart Asset Management, Asset Management Systems Evolution, Integration Development, Field Force Systems, Testing Training

British Energy Power and Energy Trading (February – June 2007)

Requirements, future architecture and project direction for the Retail Spine.

Addison Wesley (January 2003 – present)

Reviews of book proposals and manuscripts for this major technical publisher.

Legal Marketing Systems Ltd. (January – July 2004)

Architecture review for a major change in this remortgage conveyancing business.

Marks and Spencer Plc (May 1999 – June 2002)

Development of the “Ticket Shop”, an agile platform for shelf-edge ticketing.

Case Study: The Ticket Shop

Faith Footwear Ltd. (May 2000 – November 2001)

Strategy study, development of a data capture network for Business Intelligence.

Case Study: Data Integration

Barclays Sales Financing Ltd. (January - June 1999)

Development of an intranet-based toolset for development documentation.

Oracle UK / BSkyB (June 1998 – March 1999)

Reliability review for the underlying interactive digital television service platform.

Case studies: Reliability Study, Testing Training

Livingston Rental (as an Associate of Sema Group) (March 1995 – January 1997)

Legacy porting to Unix/Oracle. Stock information replication. Remote monitoring.

Case Study: Rental Systems Re-Platforming

National Power (July 1994 - March 1995)

Introduction of code control & automated test tools, development standards update.

1994: Incorporation of Questa Computing Ltd, in business as independent consultant

Eurotunnel Plc. (1989 - April 1994, Permanent, Development Support Manager)

Development/QA standards, IT procurement, integrated development environment.

Digitus Ltd. (1986 – 1989, Permanent, Managing Systems Engineer)

Development of shipping, treasury, property management and oil trading systems.

Racal-Decca Advanced Developments Ltd. (1982 – 1986, Permanent, Senior Engineer)

Study and development projects in satellite communications and navigation.

Details of my experience before 1994.

Case Study Index

Key Project Solution Architecture for Aviva Plc. (October 2018 – March 2020)

API Capacity Management for Aviva Plc. (March – October 2018)

Network orchestration and automation for UBS Plc. (May – November 2017)

Knowledge Base Development for ID-Workshop Ltd. (April 2015 – February 2017)

Enterprise Architecture and Core System Replacement Architecture for Yodel Ltd (June 2015 - Feb 2017)

Web Portal Development for a TRW Inc / ID-Workshop Ltd (May 2014 – Present)

Data Centre Migration for IBM / National Grid Plc (2012 – 2013)

Responsive Web Site Design for Private Clients (2012 - 2013)

Smart Asset Management for IBM / National Grid Plc (2009 – 2012, 2014 – )

Asset Management Systems Evolution for National Grid Plc (1999 – 2009)

Integration Architecture Development for National Grid Plc (2002 – 2012)

Field Force Systems for National Grid Plc (2003 – 2007)

Minor Development Projects (1994 – )

“Ticket Shop” Development for Marks and Spencer Plc (1999 – 2002)

Data Integration for Faith Footwear Ltd. (2000 – 2001)

System Reliability Study for Oracle UK / BSkyB (1998 – 1999)

Testing training for Eurotunnel, National Grid and Oracle (1993 – 1998)

Rental Systems Re-platforming for Livingston Rental / Sema (1995 – 1997)

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