Mark Whitfield Career Timeline by era and project

Mark Whitfield’s IT project management and software engineering career spans over three decades, progressing from early electronic banking programming on Tandem Mainframes (now known as HPE NonStop) to senior delivery of enterprise-scale middleware, cloud, and digital transformation initiatives.

The high-level chronological timeline (with links) of his professional eras and key project history is broken down below.


💻 1990–1995: Early Programming & Lead Analysis Era

During this foundational era, Whitfield operated as a Programmer and Lead Analyst specializing in core electronic banking software frameworks.

  • The Software Partnership / Deluxe Data (1990–1995): Developed and enhanced the sp/ARCHITECT-BANK platform. His technical responsibilities focused heavily on coding within Tandem Mainframe environments (now HPE NonStop) using C, C++, TAL, COBOL, and PATHWAY architectures.
Deluxe Data International Operations, Wingate House, Northway
Deluxe Data International Operations,
Wingate House, Northway, Runcorn
  • Barclays On-Site Delivery (Early 1990s): Deployed on-site at the Barclays facility in Knutsford, Cheshire. He was responsible for core code development and system architecture design on the Barclays Business Master II (BBM II) electronic banking initiative and subsequent billing modules developed in Poole, Dorset.
Barclays, Wimborne Road, Poole, Dorset
Barclays, Wimborne Road,
Poole, Dorset

🛠️ 1995–2013: Senior Development & Strategic Project Management Era

Transitioning to Insider Technologies Limited at Salford Quays, Manchester, Whitfield progressed into high-level technical project delivery and strategic product management.

Insider Technologies Limited (ITL) in 2001, Salford Quays, Chandlers Point
Insider Technologies Limited (ITL) in 2001, Salford Quays, Chandlers Point
  • Reflex Monitoring Suite R&D (1995–1996): Appointed as a core developer to design platform health and diagnostic plug-in modules for the flagship Reflex 80:20 tracking console.
  • CRESTCo Infrastructure Integration (1997–1998): Acted as a technical infrastructure consultant for CRESTCo (now Euroclear). Managed hardware benchmark coding and testing for newly deployed Tandem S7000 processing nodes.
CRESTCo in 1997 on St. Katherine’s Dock near Tower Hill tube station
CRESTCo in 1997 on St. Katherine’s Dock
near Tower Hill tube station
first HP OpenView Operations (OVO) Smart Plug-In built for NonStop mainframe environments
First HP OpenView Operations Smart Plug-In
for HPE NonStop environments
  • ATM Log Extraction Deployments (2004–2007): Led technical delivery teams implementing automated transaction log extraction layers (RTLX and Sentra) to audit ATM networks for major retail financial brands like Alliance & Leicester (now Santander) and HSBC.
ATM Log Extraction Deployments 
(2004–2007) - RTLX Reactor
ATM Log Extraction Deployments
(2004–2007) – RTLX Reactor
cross-border ATM and Point-of-Sale (POS) environment monitoring expansion
Cross-border ATM and Point-of-Sale (POS) environment monitoring expansion
  • Enterprise Transaction Monitoring (2011–2013): Functioned as Project Lead to bridge retail banking transaction networks with corporate governance architectures. Integrated critical pathways for Standard Chartered and Global Payments into TIVOLI and XPERT24 using ACI’s XPNET infrastructure.

🏦 2013–2014: Professional Services Banking Delivery Era

Whitfield moved into consultant-driven professional services, directly aligning tech components with client business roadmaps.

Diebold Nixdorf Ltd, Berkshire, One The Blvd, Cain Rd, Binfield, Bracknell, RG12 1WP
Diebold Nixdorf Ltd, Cain Rd,
Binfield, Bracknell, RG12 1WP
  • Wincor Nixdorf Banking Division (2013–2014): Retained as Project Manager for Professional Services. He directed a massive hardware and software transition stream for Lloyds Banking Group’s Self-Service Software Replacement (SSSR) programme whilst also providing a qualified management link with Wincor Nixdorf, Paderborn (Germany) for subject matter expertise, as part of the transition.

🎮 2014–2016: Digital Infrastructure & Enterprise Betting Era

Whitfield shifted his delivery domain focus from banking mainframes into real-time high-transaction digital platforms.

☁️ 2016–Present: Cloud Integration, Middleware, & Public Sector Era

In this current era, Whitfield acts as a senior, SC-cleared Senior IT Project Manager specializing in hybrid cloud migrations and API-led integration.

Capgemini UK, Floor 7, Venus Building, Trafford Quays, Manchester. M41 7HA
Capgemini UK, Floor 7,
Venus Building, Trafford Quays
  • Capgemini UK Consultancy (2016–Present): Leading massive corporate and public sector agile/waterfall delivery initiatives. His technical program management footprint expands across a vast roster of tier-one enterprise environments:
    • MuleSoft Ecosystem Deployments: Directing system integration projects utilising the Salesforce MuleSoft suite, spanning API lifecycle design, Anypoint Code Builder configurations, and hyper-automation flows.
    • Multi-Sector Enterprise Clients: Orchestrating cloud migrations, middleware application refactoring, and data pipelines for Jaguar Land Rover (JLR), Heathrow Airport, Royal Mail Group (RMG), NATS (National Air Traffic Services), Welsh Water, Rabobank, Barclays, and UK Export Finance (UKEF).
C&CA UK's Communications & Engagement Award Winner 2022 - Cloud & Custom Applications - Capgemini UK
C&CA UK’s Communications & Engagement Award Winner 2022 – Cloud & Custom Applications – Capgemini UK

Mark Whitfield Career Timeline by era and project

SC Cleared Senior IT Project Manager Mark Whitfield
Senior IT Project Manager,
Mark Whitfield

Professional Training

Certificates

Recommendations

Education Summary

Graduation

How AI Artificial Intelligence is Evolving in Project Management Career

How AI Artificial Intelligence is Evolving in Project Management Career
How AI Artificial Intelligence is Evolving in Project Management Career

Mark Whitfield IT Training Career Timeline Overview

Mark Whitfield, an experienced IT Project Manager, has a career and certification history spanning over 30 years. His professional development includes a range of technical, project management, and cloud-based qualifications. 

2020s: Cloud & Modern Platforms

  • 2024 (July): Microsoft Excel Refresher Course – Udemy.
  • 2022 (December/February): C&CA UK’s Communications & Engagement Award and AZ-900 Microsoft Certified Azure Fundamentals. 

2010s: Advanced Management & Development 

  • 2017 (November/April): Advanced Engagement Management (Level 2) and Microsoft Excel 2010 Expert Skills.
  • 2014 (July): Advanced Microsoft Excel 2013.
  • 2011 (May–July): PRINCE2 Practitioner, Agile SCRUM, Java, and Android programming. 

2000s: Web Applications & Database Systems 

  • 2009 (March–November): Thales e-Security, BIRT, Web Design, and SQL Server training.
  • 2006 (Feb–Dec): NetObjects Fusion, Cryptography, and Thales e-SECURITY SafeSign.
  • 2004 (March): MultiBatch NSK Job Scheduling.
  • 2000 (February): Fundamentals of Successful Project Management. 

1990s: Core Programming & System Fundamentals

  • 1990s (1993–1999): TANDEM/HP NonStop systems, C/C++ programming, project management, and HND in Computer Studies (1990).

Mark Whitfield Training IT Career Timeline Overview

Mark Whitfield, a Senior IT Project Manager who has spent over 30 years specialising in HP NonStop (formerly Tandem) computing systems

Professional Background

  • Specialisation: Mark Whitfield is a highly experienced technician and project manager for the HP NonStop platform, which is a high-availability, fault-tolerant mainframe environment used primarily for mission-critical financial transactions.
  • Career Timeline:
    • The Software Partnership / Deluxe Data (1990–1995): Began as a programmer working on the sp/ARCHITECT-BANK solution for Tandem computers.
    • Insider Technologies (1995–2013): Spent 18 years focusing on monitoring and diagnostic software for HP NonStop, including products like Reflex 80:20XPERT24, and Enterprise Manager.
    • Capgemini (2016–Present): Currently serves as an SC-cleared Senior Project Manager, delivering complex IT projects for major banks and government agencies. 

Key Technical Contributions to NonStop

  • Product Development: He co-developed Reflex (a platform health/diagnostic tool) and designed XPERT24 to monitor performance in the XPNET layer of BASE24.
  • Financial Systems: He has managed major projects for global financial entities, including BarclaysHSBCBank of England, and Royal Mail Group, often involving ATM and POS monitoring systems.
  • Programming Expertise: His technical skill set includes NonStop-specific languages and tools such as TAL (Tandem Application Language)PATHWAYXPNETCOBOL85, and C++

About HP NonStop Systems

In the context of Mark Whitfield’s work, NonStop refers to a “shared-nothing” architecture designed by Tandem Computers. These systems are uniquely capable of: 

  • Fault Tolerance: Handling hardware or software failures without system downtime.
  • Scalability: Doubling throughput by adding processors (up to 4,000) without hitches in performance.
  • Core Banking: Processing massive commercial workloads for retail banks and stock exchanges globally.

Career, Insider Technologies Limited, ITL – 1995 to 2013 as HPE NonStop Tandem specialist and Product Manager

Career, Insider Technologies Limited, ITL – 1995 to 2013 as HPE NonStop Tandem specialist and Product Manager

Career Path of a Project Manager

Career Path of a Project Manager