Md Hossain Mahmud Siam
IT System Administrator
Frankfurt am Main
Summary
Results-driven System Administrator with experience in Linux and Windows environments. Skilled in endpoint management, virtualization, and IT infrastructure support. Proficient in troubleshooting, automation (Bash/Python), and device management using SCCM, Intune, and Jamf. While my Linux experience is foundational, I am eager to expand my expertise in system administration and open-source technologies.
Overview
5
5
years of professional experience
3
3
Certifications
3
3
Languages
7
7
years of post-secondary education
Work History
Desktop Support Engineer
A & O IT Group
09.2023 - Current
- Client Overview: Financial Services Industry
- Provide technical support for Linux (Ubuntu) and Windows environments, troubleshooting hardware, software, and network issues
- Install, configure, and maintain desktops, laptops, printers, and peripherals
- Manage Citrix and Azure VDI troubleshooting for end users
- Administer Jamf for macOS device management and Wyse Management Suite for thin clients
- Maintain IT inventory and document resolutions in the knowledge base
- Work with ServiceNow for ticket management and IT issue tracking
System and Network Administrator
ReliSource US
04.2021 - 02.2023
- Client Overview: Healthcare & Clinical Research Industry
- Administered Windows Servers, VMs (Hyper-V, VMware ESXi), and network infrastructure
- Conducted patch management using SCCM and monitored systems via SolarWinds
- Managed Citrix VDI environments and supported virtualization using VMware vCenter
- Performed Microsoft Office 365 administration and backup/restoration operations using VEEAM
- Led internal IT teams and created knowledge base articles to streamline troubleshooting
- Administered firewalls, switches, and access points for a secure IT environment
Executive, Information Technology
Link3 Technologies Ltd
10.2019 - 03.2021
- Provided Windows Server and Hyper-V administration
- Delivered end-user support for Windows 7, 8, and 10, including troubleshooting and deployment
- Deployed and administered Microsoft Office 365, including email migration and Azure AD authentication
- Managed IT hardware and software installation, network printers, and company inventory
Education
Bachelor of Science - Computer Science & Engineering
01.2015 - 08.2019
Master of Science - Applied Computer Science
04.2023 - Current
Skills
Linux System Support (Ubuntu, Basic Administration)
undefinedCertification
Microsoft Azure Fundamentals
Note
Open to remote opportunities and eager to develop Linux expertise in a dynamic, global team.
Projects Contributions
- Hybrid Cloud Deployment: Assisted in migrating workloads to Azure Virtual Desktop.
- Linux Troubleshooting & Support: Diagnosed and resolved Ubuntu system issues for end users, gaining hands-on experience in Linux environments.
Timeline
Desktop Support Engineer - A & O IT Group
09.2023 - Current
University of Applied Sciences Schmalkalden - Master of Science, Applied Computer Science
04.2023 - Current
System and Network Administrator - ReliSource US
04.2021 - 02.2023
Executive, Information Technology - Link3 Technologies Ltd
10.2019 - 03.2021
North Western University - Bachelor of Science, Computer Science & Engineering
01.2015 - 08.2019
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