Ken Kowlessuree
Senior System and Cloud Administrator
Salary / Daily rate
Mauritiustown, Mauritius Bay, Co. Wexford, Ireland
Freelance, open to permanent contract
Skills
Languages
About me
Intro
Senior System & Cloud Administrator with 5+ years managing enterprise environments including 20,000+ users and 2,000+ servers. Proven expertise in Azure, VMware, Active Directory, and PowerShell automation that reduced incidents by 90% and manual workload by 30%. Specialized in large-scale infrastructure management with bilingual capabilities for international organizations.
Work experience
CFAO
Mar 2022 - Present
4 years 8 months
Moka, Mauritius
Senior System and Cloud Administrator
Jul 2024 - Present
2 years 4 months
Moka, Mauritius
• Administering a large-scale Active Directory environment with 20,000+ users and 2,000+ servers in a bilingual (English/French) international context. • Advanced management of Windows Servers (AD, GPO, DFS, DNS, WSUS, SQL, PKI), with standardized configurations and enhanced security policies. • Led the deployment project of Microsoft Defender across all corporate servers: policy design, deployment coordination, alert management, and remediation processes. • Implemented proactive monitoring using custom PowerShell scripts (server health, SSL certificates, AD replication), reducing critical incidents to under 10%. • Developed automation scripts in PowerShell for administrative tasks, patch uploads, compliance reports, and system checks, reducing manual workload by over 30%. • Established operational procedures for Level 2 and monitoring teams to improve efficiency and consistency. • Tracked and prioritized the System & Cloud team’s backlog (ITSM tickets, task allocation, SLA compliance). • Deployed, sized, and managed VMware virtual machines supporting critical production workloads. • Participated in technical interviews for IT managers across subsidiaries (Africa, French territories) as an infrastructure subject-matter expert. • Coordinated daily IT operations across multiple technical teams, service providers, and datacenter contacts. • Managed the public domain portfolio (DNS, SSL certificates, renewals, security). • Escalation point for Level 2/3 incidents, performing root cause analysis and driving continuous improvement.
System And Cloud Administrator
Mar 2022 - Jul 2024
2 years 5 months
Skills: Microsoft Azure
IT Client Service Coordinator
LINKBYNET
Dec 2021 - Mar 2022
4 months
Moka, Mauritius
• Management of change requests and validations in an ITIL environment • Preparation and facilitation of CAB (Change Advisory Board) meetings and steering committees (COPIL) • Coordination of technical teams and ensuring compliance with change management procedures
IT Consultant
ABERDEEN Services
Jul 2019 - Dec 2021
2 years 6 months
Moka, Mauritius
• Provided first and second line support to end users (account creation, VPN setup, troubleshooting) • Managed Windows and Active Directory servers (user lifecycle, GPO, permissions) • Handled Azure WebApps, DNS zones, and SSL certificate configuration • Deployed and managed Barracuda Web Application Firewalls • Identified and remediated security threats across endpoints, mail systems, and servers • Automated recurring tasks through scripting and managed Microsoft 365 environments
Call Agent
BVA
Oct 2018 - Dec 2018
3 months
Moka, Mauritius
• Conducted phone-based surveys on topics such as transportation services, TV channel preferences, and energy consumption • Successfully engaged with a diverse range of respondents using clear and persuasive communication • Demonstrated strong interpersonal skills and the ability to build rapport quickly during calls
System administrator Intern
Mauritius Network Services Ltd
Jun 2018 - Aug 2018
3 months
Moka, Mauritius
• Deployment and configuration of web servers in Linux environments • Installation and administration of Linux systems (Kali, CentOS) • Migration of WordPress websites: database management, plugin integration, hosting configuration
Call Agent
ISL Outsourcing
Mar 2015 - May 2015
3 months
Moka, Mauritius
• Specialized in fund collection for NGOs and associations through effective donor outreach. • Engaged with potential donors to communicate the impact of their contributions, fostering long-term relationships. • Collaborated with a dynamic team at ISL Outsourcing, enhancing skills in communication and negotiation.
Education
Open University of Mauritius
Master's degree
2020 - 2022
2 years 1 month
University of Mauritius
Bachelor of Science - BSc
2015 - 2019
4 years 1 month