Mark Whitfield is an SC-cleared Senior IT Project Manager and Engagement Manager with a career spanning over three decades. He began his career with hands-on systems engineering on HPE NonStop (formerly Tandem Computers) before transitioning to Senior Project Management, Product Management, and Agile leadership roles.
The comprehensive breakdown of his HPE NonStop Tandem projects, applications, and corporate eras from 1990 to his later transitions includes:
🏦 The Software Partnership / Deluxe Data Era (1990–1995)
During this foundational era, Whitfield worked as a Programmer and Lead Analyst specializing in core electronic banking software frameworks.
sp/ARCHITECT-BANKPlatform Projects: Developed, coded, and enhanced this foundational electronic desktop banking framework. This included deploying and configuring fault-tolerant application pathways to facilitate secure desktop-to-mainframe corporate account transfers.- Barclays Bank (Knutsford Facility): Delivered on-site deployments and integration updates for banking operations.
- Girofon (Denmark) Touch-Tone Integration: Developed a specialized suite of code enabling customers to securely query live mainframe account balances via voice menus. This project bridged interactive voice response (IVR) hardware with back-end HPE NonStop SQL and COBOL85 databases.
- Tier-1 Financial Client Deployments: Handled software builds and system tailoring for major regional and international banking infrastructures including TSB, Bank of Scotland, and Rabobank.
💻 Insider Technologies Limited (ITL) Era (1995–2013)
Whitfield spent 18 years at ITL ascending from Senior Developer to Technical Team Lead, Product Manager, and Technical Project Manager. He directed infrastructure engineering, SLA automation, and high-volume transaction monitoring on HP NonStop systems.
Reflex 80:20&Reflex ONE24(System Monitoring Suite): Project managed the end-to-end software development lifecycle (SDLC) for the Reflex product line. He directed the design of automated system event filtering, alerting dashboards, and performance trackers managing heavy Guardian operating system workloads.RTLX(Real-Time Log Extraction) Reactor Modules: Directed the project management and technical rollout of payment engine extraction utilities. This software allowed financial clients to intercept, monitor, and audit live transactional traffic strings within ACI BASE24 Classic ATM/POS networks.- CRESTCo (now Euroclear) Benchmark Testing (1997): Contracted out as an on-site consultant in London to design volume stress-testing and benchmarking software. The project validated the performance limits of the CREST Stock Settlement application on the UK’s newly unboxed S7000 G-Series HPE NonStop nodes.
- HP OpenView Operations Integration: Championed the delivery track for the industry’s first HP OpenView Operations Smart Plug-In engineered explicitly to bridge distributed enterprise views with local HPE NonStop environments.
MultiBatch(Enterprise Scheduling Utility): Oversaw development life-cycles and product frameworks for the MultiBatch scheduling engine. The project adapted the software to manage complex, mission-critical batch automation tracks across global stock exchanges and banking systems moving from legacy architectures to modern Open System Services (OSS).XPERT24& Network Tooling: Project-managed software updates for BASE24 XPNET performance tuning, transaction tracing, and external systems integration with tools like Tivoli and Command/Post.
🛠️ Key NonStop Technical & Tooling Domain Expertise
Across these projects, his delivery frameworks blended structured governance with deep technical architectures:
- Programming Languages: High-level mastery of TAL (Tandem Application Language), TACL, COBOL85, NonStop SQL/MP, C, and C++.
- Subsystems Managed: Direct architectural work utilizing PATHWAY (TS/MP), SCF, FUP, TMF, INSPECT, EMS, and XPNET.
🚀 Post-NonStop Career (2013–Present)
Following his extended tenure in the NonStop space, Mark transitioned into broader enterprise digital delivery:
- Wincor Nixdorf (2013–2014): Bank-facing ATM modernization projects.
- Betfred (2014–2016): Delivering digital sportsbook initiatives and multi-vendor integrations.
- Capgemini UK (2016–Present): Serving as a Senior Project Manager and Engagement Manager heading multi-million-pound digital transformations, MuleSoft Anypoint API lifecycles, and hybrid AWS/Azure cloud migrations.
- PROject Templates: He is also the author and creator of the commercial PROject Templates library, an industry toolkit featuring over 200 project management governance frameworks used globally.
PROject Templates 