Sergé Thumbran
Heemskerk
Summary
I have more than 20 years of experience in the IT industry. I have a deep expertise in cloud architecture, security, infrastructure, and pre-sales. I continuously research technologies and methods in order to stay aligned with technology trends. This supports the continuous demand to deliver technical solutions within budget, in specification and on time. My mission is to stay aligned with technology trends and deliver technical solutions that meet the requirements, specifications, and budgets. I enjoy to collaborate with internal and external stakeholders on technical developments and IT deliverables. I am organized and dependable candidate successful at managing multiple priorities with a positive attitude.
Overview
21
21
years of professional experience
1
1
Certification
Work History
Cloud / Solution Architect
Brunel
04.2023 - Current
- Advisor and consultant on designing IT solutions and roadmaps for future developments
- Development of IT roadmaps and strategy
- Collaborate with internal stakeholders on technical developments and IT deliverables
- Provide supporting information to analyze and strategize to ensure an efficient and cost-effective environment
- Design solutions to ensure high availability, reliability, and performance of systems in order to minimize downtime
- Development of strategies compiles technical solutions, research products, technologies, and trends, assist with the compilation of standards and guidelines
- Maintains the architecture roadmap
- Follows the System Architecture Board review/approval process
- Guide the implementation of solution architecture
Senior Cloud Architect
MTN Group (MEA)
08.2018 - 03.2023
- MTN Group (MEA) the Middle East and Africa trusted advisor and consultant on designing cloud solutions and roadmaps for future developments
- Maintain and update cloud roadmap and strategy as well as maintain and improving internal architectural standards
- Develop and implement cloud adoption plans, architecture and strategy
- Define Cloud Principles in collaboration with network and security principles and dependencies
- Azure Pack platform owner – Data Centre solutions, strategy, and internal group services
- Evaluated emerging cloud technologies to maintain a competitive edge within the industry landscape.
- Partnered closely with technical stakeholders to implement security, operational, compliance and privacy-related controls as part of cloud blueprints.
Security Strategy (Support Role)
MTN
02.2020 - 06.2022
- Assisting capacity to drive strategy, standardization, and implementation of VPN Technologies, Firewalls, SIEM, Vulnerability Management, and Technical Standards.
Manager Cloud Solution Architects
BCX
06.2016 - 07.2018
- Provide leadership, guidance, and supervision to the IT team, fostering a collaborative and high-performing work environment
- Manage the recruitment, training, and professional development of IT staff
- Streamlined project processes by implementing Agile methodologies, resulting in increased efficiency and reduced costs.
- Established effective communication among team members for enhanced collaboration and successful project completion.
- Monitored progress against established goals, adjusting schedules and resources as needed to keep projects on track.
- Prepared detailed reports on project status for stakeholders, ensuring transparency and alignment with objectives.
- Created accurate budgets based on resource requirements, allowing for optimal allocation of funds across all aspects of the projects.
- Achieved project deadlines by coordinating with contractors to manage performance.
Presales Cloud Architect
Telkom / BCX
11.2007 - 05.2016
- Provide solutions to ensure high availability, reliability, and performance of systems in order to minimize downtime
- Responsible for technology life cycle planning for managing introduction, evolution, and retirement of IT infrastructure solutions to support the infrastructure master plan
- Collaborate with other managers with technical delivery and process responsibility for shared services
- Responsibility for planning as well as controlling budgeting, developing strategies, engineering key initiatives
- Directs the efforts to evangelize and communicate architectural direction and solutions in order to mobilize the organization to build solutions that fit customer needs
- Critical role incorporating new technologies along with the enterprise architecture and solution
- Design and consulting teams to provide development of mid-term architectural initiatives to meet business needs
Microsoft Systems Administrator
Telkom
10.2004 - 10.2007
- Managing user accounts, groups &access to resources
- Improved system performance by implementing server upgrades and hardware replacements.
- Streamlined network administration tasks for increased efficiency through automation scripts.
- Enhanced system security with regular patch updates and vulnerability assessments.
- Ensured optimal server uptime, monitoring system health and performing routine maintenance.
- Reduced downtime during migrations by conducting thorough planning and testing processes.
- Migrate, Install and maintain windows servers
- Change management control & povide user support with approved SLA’s
Project Coordinator
Telkom
02.2003 - 09.2003
- Coordination of projects and maintenance for Telkom.co.za, telkomsa.net and Telkom intranet
- Distribution of different projects and maintenance tasks amongst developers
- Give monthly reports to management
- Manage website maintenance and projects
- Planning and drawing of architectural design for ISP
- Tools and methods: Managed project timelines and risks using own methods and tracking.
Education
High School -
Eersterust Secondary School
Pretoria12.1998
IT Management -
University of Cape Town
Cape Town12.2021
Programme in Business Management -
University of South Africa
Pretoria12.2015
Skills
- Cloud Architecture
- Enterprise Architecture
- Infrastructure Migration
- Agile
- PaaS SaaS IaaS
- Multi-Cloud Strategy
- Serverless Computing
Developing skills
- CI/CD
- Azure DevOps
- Microservices Development
- Container Orchestration
- Identity Access Management
Languages
afrikaans
Native language
English
Proficient
C2
Afrikaans
Proficient
C2
Dutch
Elementary
A2
References
References are available on request.
Certification
- AZ-900, AI-900, SC-900, MS-900, AZ-104, CLF-01, TOGAF, ITIL
Timeline
Cloud / Solution Architect
Brunel
04.2023 - Current
Security Strategy (Support Role)
MTN
02.2020 - 06.2022
Senior Cloud Architect
MTN Group (MEA)
08.2018 - 03.2023
Manager Cloud Solution Architects
BCX
06.2016 - 07.2018
Presales Cloud Architect
Telkom / BCX
11.2007 - 05.2016
Microsoft Systems Administrator
Telkom
10.2004 - 10.2007
Project Coordinator
Telkom
02.2003 - 09.2003
High School -
Eersterust Secondary School
IT Management -
University of Cape Town
Programme in Business Management -
University of South Africa
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