Mohamed Ali
@mohamedali7
Senior Network, Systems, and Security Administrator with 12+ years securing enterprise IT.
What I'm looking for
I am a Senior Network, Systems, and Security Administrator with over 12 years of experience building and maintaining secure, scalable IT infrastructures across enterprise environments.
I have hands-on expertise managing firewalls (Sophos, Fortigate, Palo Alto, SonicWall), VMware vSphere/ESXi, Hyper-V, and backup solutions such as Veeam, Veritas, and Altaro.
My background includes VoIP platforms (3CX, Grandstream, CUCM), network core and access switching, storage implementations, and endpoint protection deployments; I have supported 250+ users in production environments.
I also deliver technical training (CCNA, MCSA, Sophos, Veeam), focus on secure infrastructure design, and prioritize operational continuity through monitoring, disaster recovery, and documentation.
Experience
Work history, roles, and key accomplishments
Senior Network & Systems Administrator
Kaizen365 Technology
Jan 2022 - Present (3 years 9 months)
Managed enterprise firewalls, endpoint protection, VMware/Hyper-V virtualization, backup solutions (Veeam/Altaro/Veritas) and VoIP platforms (3CX, Grandstream, CUCM) to maintain secure, highly available infrastructure.
Network Administrator
Gharably Construction
Jan 2022 - Jan 2024 (2 years)
Managed Sophos firewalls and Cisco core/access switches, deployed Aruba wireless and 3CX VoIP, and provided network and cybersecurity support to 250+ users, improving network reliability and security posture.
IT Supervisor
Samsung Mars
Jan 2021 - Jan 2022 (1 year)
Administered Sophos firewalls, Kaspersky Security Center, VMware vSphere and Veeam backups; migrated VDI users using VMware Horizon to enhance virtual desktop stability and data protection.
Second Line Analyst
Sescotrans
Jan 2019 - Jan 2021 (2 years)
Maintained Active Directory and SCCM, managed Fortigate firewall and endpoint/DNS protection tools, and administered Veeam backups to ensure operational continuity and endpoint security.
Application Support Engineer
Americana Group
Jan 2016 - Jan 2018 (2 years)
Repaired POS systems and maintained related databases and software to ensure continuous retail operations and reduce downtime at point-of-sale.
IT System Administrator
Micro Lab Solutions
Jan 2014 - Jan 2016 (2 years)
Provided IT support to ~20 client companies, implemented VMware virtualization and managed servers and Active Directory environments to improve service delivery.
Education
Degrees, certifications, and relevant coursework
Arab Academy for Science and Technology
Bachelor of Science, Communication & Electronics Engineering
2007 - 2012
Activities and societies: Delivered training (CCNA, MCSA, Sophos, Veeam); IT instructor roles and practical projects in network and security implementations.
Completed a Bachelor of Science in Communication and Electronics Engineering with coursework in communications and electronics from 2007 to 2012.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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