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
undefinedTimeline
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
Similar Profiles
PIUS NGUMA MUTUNDUPIUS NGUMA MUTUNDU
Software Development Engineer in Test at Safaricom PlcSoftware Development Engineer in Test at Safaricom Plc
DAVID NDUNG’UDAVID NDUNG’U
Software Developer Engineer in Test (SDET) at Safaricom PLCSoftware Developer Engineer in Test (SDET) at Safaricom PLC
Angela KarambaAngela Karamba
In-house Legal Counsel at Safaricom PLCIn-house Legal Counsel at Safaricom PLC