Mark Oyier
HOD, BSS & Core Billing
Nairobi
Summary
Seasoned IT Professional with extensive practical knowledge of complex System and Infrastructure builds; Core Platforms, Digital Channel Deployments, hybrid / public cloud infrastructure deployments, Agile Frameworks & Project Management, middleware implementations, DevOps, micro-services & containerization, and software testing across all architectural layers
Overview
17
17
years of professional experience
Work History
Head of Dept, BSS (Business Support Systems)
Safaricom PLC
01.2024 - Current
- Design and execute Safaricom's BSS Platforms 5-10 year evolution strategy
- Lead BSS Digitisation and transformation by evolving core platforms including CRM System, Core Billing Platform, Integration MIddleware (TIBCO) & CVM platforms
- Lead 287 team members who run, maintain and evolution of business systems
- Budget planning and delivery for Operations (OPEX - 3.1Bill) and Capital Expenditure (CAPEX - 2B)
- Be the Chief Cheer Leader for BSS Team spirit ensuring we care for each other, collaborate and have fun as we deliver on our mandate
Head of Dept. – IT Infrastructure & Shared Applications
Safaricom PLC
05.2021 - 12.2023
- Provided IT Planning and Operations Leadership in Technology covering Core Infrastructure, Data Centers, Cloud Services and Enterprise Applications
- Established current and future IT infrastructure, storage, and enterprise application needs, overseeing design and implementation of roadmaps to attain desired target state.
- Budget planning and delivery execution on IT Infrastructure Projects (CAPEX – 2.5B, Opex – 900 Mill).
- Lead the delivery teams on role execution, career planning and mentorship (Dept Numbers – 83 Staff)
- Define and deliver Safaricom’s Public Cloud Strategy
Head, IT Applications, Dev & Support
Stanbic Bank
11.2020 - 04.2021
- Directed and managed the production Systems Team including ensuring that the Bank’s performance tracking and management mechanisms are in place
- Core Banking and Business Systems support and development
- Digital Payment Systems & Self-Service Channels
- Development, Integration and Peripheral Applications on Premise and on AWS Cloud setting up a DevOps Strategy
- Developed the IT Production Systems Strategy that was aligned to overall IT & Business Strategy
- Site Reliability Engineering and Systems Monitoring
Head of IT Applications & Channels
NCBA Bank
01.2016 - 10.2020
- Speer headed Core Banking Implementation, support and upgrades on Temenos Core Banking Platform T24R18 across the bank’s 4 subsidiaries (Kenya, Uganda, Tanzania and Rwanda).
- Managed and set priorities for design, maintenance, development of all Application systems including Core Banking, Data Systems, Treasury Systems, Channels, Credit Systems, Payment Systems, Middleware and Risk Systems
- Provided management oversight for the Group Applications Operations as well as Budgets and Supplier Contracts
- Managed diverse teams of systems and channel specialists and developers offering maintenance and support for all Application Systems in the Bank
- Managed Group Technology Applications with regard to protection against exposure to and impact of risks of data loss, corruption and/or unauthorized access
Manager Systems Dev & Integration
Commercial Bank of Africa
01.2014 - 01.2016
- Primary objective of the role was to manage and oversee system development carried out by bank systems developers or external developers for Business Applications
- During this period, I Architecture- ‘d’ and implemented an API Gateway Platform for the Bank.
- IT resource management for Bank Projects and Change Requests
- Design and/or review vendor architectural blueprints for new applications or system improvements
- Supervise second level support team that includes system developers and product specialists
- Oversaw administration and support of the Bank’s special applications namely: - ERP (SAP), Credit Origination System, Clearing Systems, SWIFT, Calypso Treasury System, Core Banking T24 and SAS AML
Other Positions Held
Commercial Bank Of Africa (CBA)
03.2007 - 01.2014
- Manager – Databases & Platforms – CBA (2012 – 2014)
- Database Administrator – CBA (2010 – 2012)
- Systems Analyst – CBA (2007-2010)
Education
M.Sc. Information Technology -
Strathmore University
B.Sc. Information Sciences - undefined
Moi University
Skills
IT Budgeting & Planning
Project Planning / Agile Framework
DevSecOps and Site Reliability
Containerization / Virtualization
Cloud Computing
IT Budgeting & Planning
Timeline
Head of Dept, BSS (Business Support Systems)
Safaricom PLC
01.2024 - Current
Head of Dept. – IT Infrastructure & Shared Applications
Safaricom PLC
05.2021 - 12.2023
Head, IT Applications, Dev & Support
Stanbic Bank
11.2020 - 04.2021
Head of IT Applications & Channels
NCBA Bank
01.2016 - 10.2020
Manager Systems Dev & Integration
Commercial Bank of Africa
01.2014 - 01.2016
Other Positions Held
Commercial Bank Of Africa (CBA)
03.2007 - 01.2014
M.Sc. Information Technology -
Strathmore University
B.Sc. Information Sciences - undefined
Moi University