Mark Whitfield is a Senior IT Project Manager with over three decades of experience, heavily rooted in HPE NonStop (formerly Tandem).
His career has transitioned from hands-on NonStop development and product management into large enterprise cloud and digital transformation projects.
His NonStop specific projects and career trajectory can be broken down (at a high-level) by era, location, and focus as follows:
1990–1995: Early Programming
- Location: Barclays, Poole, Dorset, UK
- Focus: Electronic banking programming and development on Tandem Mainframe Computers.
- Projects: Wrote, developed, and maintained software like sp/ARCHITECT-BANK and associated billing software (in Poole, 1993). This involved building early electronic banking systems for desktops long before internet banking was prevalent.

1995–2013: Senior Development & Product Management
- Location: Insider Technologies, Salford Quays, Manchester, UK
- Focus: NonStop product management, software design, and real-time event monitoring.
- Projects: Product managed software lifecycles for four monitoring products (two NonStop based). This included creating health and diagnostic tools (RTLX, Reflex 80:20, Reflex ONE24, XPERT24) for mission-critical NonStop environments. He also deployed volume testing on early HP NonStop S7000 nodes for CRESTCo in London in 1997.

2013–2014: Legacy Migration & Consulting
- Location: Wincor Nixdorf & ATM/POS Financial Services, UK
- Focus: Modernization and migration of legacy systems.
- Projects: Managed a £5M+ replacement of legacy HP NonStop software systems at a large UK retail bank, migrating functionalities to AIX-based J2EE and Oracle architectures.

Binfield, Bracknell, RG12 1WP
2016–Present: Cloud Transformation & Digital Delivery
- Location: Capgemini UK, Trafford Quays / UK-Wide
- Focus: Delivery of enterprise-scale middleware, digital transformation, and cloud.
- Projects: Acts as an Engagement Manager and SC-Cleared Project Manager. Focus includes Agile software delivery for Air Traffic organisations (e.g., iOS applications for military and public-facing airspace tracking) and rolling out middleware solutions.

For more career detail, click here.

