ااامين الشرفي
@0001199
Dynamic Senior System & Network Administrator with 15 years of experience.
YemenWhat I'm looking for
I am a Senior System & Network Administrator with over 15 years of experience in enterprise systems and infrastructure. My expertise lies in optimizing and securing complex networks, particularly through Microsoft technologies and cybersecurity solutions. I am dedicated to enhancing system performance and reliability, and I have a proven track record of providing high-level technical support and restructuring network infrastructure to meet the evolving needs of organizations.
Throughout my career, I have administered and secured complex enterprise networks, managed Microsoft services such as Active Directory, WSUS, Exchange, and DNS, and overseen cybersecurity systems including McAfee and Kaspersky. My role at the University Science & Technology Hospital allowed me to lead initiatives that improved system performance through proactive monitoring and innovative solutions. I am committed to continuous improvement and thrive in fast-paced environments.
Experience
Work history, roles, and key accomplishments
Freelance Student Services
Self Employed
Jun 2020 - Jun 2025 (5 years)
Provided various student services as a freelancer. Managed multiple client requests and delivered projects on time.
Senior System & Network Administrator
University Science & Technology Hospital
Jan 2008 - Present (17 years 6 months)
Administered and secured complex enterprise networks, managing Microsoft services including AD, WSUS, Exchange, ISA, DNS, and DHCP. Oversaw cybersecurity systems such as McAfee, Kaspersky, and GFI, while also re-structuring network infrastructure with cabling, switches, and UNIX servers.
Senior Technical Support & Network Administrator
University of Science & Technology IT Center
Jul 2005 - Present (20 years)
Provided technical support for network infrastructure and managed ePolicy Orchestrator as McAfee Administrator. Led the Technical Support Department as Deputy Head, conducting computer maintenance and troubleshooting to enhance system performance through proactive monitoring.
Computer & Network Technician
PC Sana'a Company
Jun 2004 - Present (21 years 1 month)
Built and maintained custom PC systems, implementing wired and wireless networks. Diagnosed and repaired hardware and software issues, providing technical support in complex IT environments.
Education
Degrees, certifications, and relevant coursework
Sana'a University
Bachelor of Arts, Computer Science
2000 - 2004
Studied Computer Science at Sana'a University from 2000 to 2004. Gained foundational knowledge in computer systems and networks.
Tech stack
Software and tools used professionally
Availability
Location
YemenAuthorized to work in
Job categories
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