Document Processor

Maintenance and rework of Document generation engine responsible for issuing all documentation the company produces. Reworked the Java implementation to align ready for convergence with Spring architecture.

Java, J2EE, XSLT, JDBC, LDAP, Oracle, HTML/CSS, JavaScript, PDF, BFO, iText

Code reworked to an interim release; successfully running in daily business environment

JMX Management

Designed and implemented management application for remote Java instances, which also integrates with Quest's Big Brother product.

Java, J2EE, JMX, Spring, Oracle, HTML/CSS, JavaScript, Big Brother

On Line New Business

Designed and implemented a secure web application wizard to allow brokers to enter new business proposals directly into Hansard's systems. This involves significant amounts of data entry, all of which must be validated against product rule-sets. The application also data merges with standard PDF application forms to allow print-off and signature.

Java, J2EE, Spring, Acegi, LDAP, Hibernate, JSP, JSTL, Oracle, HTML/CSS, JavaScript, jQuery, PDF, iText, XFA

Pilot release allows Brazilian brokers to enter business without paper copy - will be rolled out globally after pilot concludes

Software Process

Refine the software development process from development through deployment to test and live systems

Java, Oracle, Spring, HTML/CSS, JavaScript, Atlassian Bamboo, SVNKit, Maven

Allows building of production release from developer tagging source repository; auomated generation of deployment scripts

Succession Network Manager

Continued to lead Harlow framework architecture providing consultancy, support and development of further functionality.

Network fault tolerance and security implemented through automatic code generation mechanism; this provided framework transparency to application developers.

Java, CORBA, SNMP, ATM, TMN, Solaris

Acted in consultancy role to team which converted a product to 3 tier architecture developed in Nortel UK during 1999-2000 period.

Java, CORBA, SNMP, ATM, TMN, Solaris

Leading member of cross-product team (8 products involved) which provided secure internet access mechanism; involved analysis and recommendation of third party solutions. Implemented a proprietary secure SOCKS based proxy, extending the protocol to force authentication on a per-connection basis.

Worked closely with Single-Sign-On team to integrate all security architectures transparently with centralized secure server.

Java, CORBA, Web Services, SOCKS, Raw sockets, SSL, PKI

Media Gateway 9000 Element Manager

Worked closely with MG9000 team, continued integration and development of Harlow framework, developed generic subnet management. Converted system to web deployment mechanism using Java Web Start.

Java, JNLP, PKI, RMI over SSL and DCE.

Integrated product with external Preside top-level Network Management System.

Continual 3rd line customer support during this period for Sprint, Verizon contracts, including 24hr pager support.

Consultant to team during debugging, especially memory, threading and VM related issues.

Produced technical documentation in line with Nortel's internal process requirements.

Provided training during technology hand-off to outsourcing partners.

Products based upon framework delivered to national network providers, successfully carrying live traffic at nationwide scale. Allowed customers to switch over to new packet based technologies from existing switched networks.

Network Trials Vehicle (NTV)

Network management system prototype, allowing experimentation with remote management technologies

HP-UX, VisualWorks SmallTalk, SNMP, ATM, TMN

Techniques employed were used in further projects, though the codebase itself was not

Succession Network Manager

Distributed network management system. Utilised many of the techniques from the NTV project

Java, CORBA, SNMP, ATM, TMN, Solaris

Influential in the architecture of the product, being instrumental in the adoption of service based interfaces; designed and implemented CORBA abstraction layers, application container, application framework supporting distributed management of applications and users

Java, CORBA - ImplBase/POA, SNMP, ATM, TMN, Solaris

Designed persistency and transaction architecture; reworked over several Object database variants (licensing issues); proprietary solution implemented under my supervision

Java, GemStone, Versant, ObjectStore

Three tier GUI architecture; scalable fault tolerant cache-on-demand GUI Server

Java, CORBA, RMI

Web deployment of Succession GUIs.

Java, JNLP, PKI, RMI over SSL and DCE.

Active in all areas of the project from implementing log transport mechanisms to formulating future Preside interactions with the product

Provided call out support, mentoring, support to other groups over long periods and have on occasion run short training courses.

Framework chosen for the common Succession Element Manager frameworks, to be used by products in Succession portfolio; led the technical architecture of the framework

Group Services Platform

Designed and implemented a WWW administration interface to a real time rule based network platform, enabling creation and administration of Virtual Private Mobile Networks.

C++, Javascript, HTML, CGI, Apache, HP-UX.

Subsequently installed as a product with the IN node, and sold to other mobile network operators.

Protocol design

Implemented SS7 messaging protocol for future USSD requirements for Vodafone's proprietary Pre-Pay service, subscriber tracing and statistical gathering.

SS7

Used as a basis for Pre-pay Application Protocol (PAP)

VMS HLR

Re-wrote subscriber data move and other remote engineering tools for VMS based HLRs. I performed 4th line call-out support for these tools.

DCL, VMS

Created a DCL library that was be used to simplify much of the scripting used for HLR administration -this was used as a base for future script development

Pre-Payment System

Designed and implemented core record and transaction structure for PrePay database, providing credit accumulation and subscriber account state management.

HP-UX System programming, C++, shared memory and IPC techniques

Ultimately used in the PAM node in the Vodafone PrePay system

Telecom Capacity Planning

Creation of the quarterly switch roll out plan and link dimensioning for the GSM and analog networks.

Microsoft Excel

Handover Cost Analysis

Designed and implemented application to determine the optimal hand-over of calls to British Telecom from every Vodafone switch

Microsoft Windows, C++, Borland OWL

Application used by planners, reduced errors

Charge Conversion

Designed and implemented application to convert British Telecoms Element Based Charging Matrix to Vodafone's charging system.

Microsoft Windows, C++, Borland OWL

Application used by planning department; helped reduce errors and increased department efficiency

General

Repair, configuration and modification of PCs, Apple Macintosh, other computers and peripherals - general electronic fault finding down to component level.

Installation and administration of Novell and AppleTalk networks

Electronic design and construction of new peripherals (especially communications equipment)

DOS, Windows 3.1, Macintosh System 6 and 7, Novell Netware, electronic design

Gained knowledge of typesetting and the use of colour image processing for print

Examiner Fun-Run

Fun run management system to support an annual event; covered data-entry, interface design, logging finishers using bar code scanner and producing race results report for inclusion into newspaper

DOS, x86 Assembler, C

Successfully used for several years

Ghost

Automated system to provide backup of Press Association satellite feed, automatically switching to land-line alternative

DOS, x86 Assembler, C++, electronic design

Interrupt driven communications library written in x86 assembler used in other projects.

Editorial System

Full system to allow editorial input, management and communication for reporters, with very low capability PCs

DOS, x86 Assembler, Pascal, C

Used by all reporters

Wyse 85 Emulator

Wyse 85 terminal emulator for IBM PCs

DOS, x86 Assembler, C

Allowed simplified management of various type-setting systems

Machine operator on many types of injection moulding machinery,ultrasonic welders and general machine tools, forming plastic mouldings.