Mahmoud Tolba

Highly accomplished Senior Network & Systems Administrator and IT Manager with nearly two decades of experience in designing enterprise network architecture, server virtualization, and advanced cybersecurity infrastructure. Proven track record of managing multi-site IT operations, leading cloud migrations, and establishing robust business continuity frameworks.

Senior Network and Systems Administrator - Bulgin (UK / Tunisia) - Tunisia

(2021-08)

• Network Design & Architecture: Architect and update local area networks (LAN), wide area networks (WAN), and wireless (WLAN) infrastructures.
• Hardware Configuration: Set up, maintain, and upgrade core routers, switches, load balancers, and access points.
• Connectivity Management: Oversee site-to-site VPNs, remote user access, and dedicated internet or MPLS circuits.
• Security Administration: Implement and audit firewall rules, intrusion detection systems (IDS), and prevention systems (IPS).
• Patch & Vulnerability Management: Design and enforce automated schedules for OS updates and firmware upgrades; conduct internal security scans and resolve exposure risks.
• Security infrastructure: Deploy and renew SSL/TLS certificates to maintain secure application and data transport layer channels.
• Backup & Disaster Recovery: Oversee routine data backups, test disaster recovery plans, and ensure business continuity protocols function correctly.
• Monitoring & Troubleshooting: Diagnose complex hardware, software, and routing failures while maintaining system monitoring tools for capacity planning.
• Documentation & Delivery: Maintain accurate records of network topologies and asset configurations; lead infrastructure migration projects and assist with IT budget forecasting.
• Leadership & Mentorship: Provide direction for the IT team members at the Tunisia branch and deliver technical coaching to junior systems administrators.
• Project Management: Managed and trained users on HR software systems and served as the project manager for the ZKTeco Access Control implementation.
• Security Systems: Administered, designed, troubleshooted, and tested enterprise safety and security systems including fire alarms, firefighting systems, audio, and video surveillance.

IT Manager & Project Manager - TBS Security System (Tunisia) - Tunisia

(2019-02 - 2021-07)

• Department Management: Managed the IT department, supporting 400 users, 200 Microsoft Windows workstations, and 26 Microsoft Windows servers.
• Operations Oversight: Coordinated all technical services, including enterprise networks, help desk support, and IT hardware/software maintenance.
• Financial Management: Managed and reported on the allocation of the IT department budget.
• Team Leadership: Provided clear technical direction and guidance for IT team members.
• Business Continuity: Led the first successful business continuity workspace recovery tests for the IT infrastructure.
• Optimization: Uncovered critical network bandwidth gaps, leading to a comprehensive review and audit of all existing business unit recovery plans.
• Vendor Validation: Executed critical vendor and external service provider disaster recovery tests to validate external business continuity programs.
• Asset Inventory: Managed full-scale inventory and asset tracking for all enterprise IT hardware and software.

IT Manager - Al-Obidi for Cars (Dubai - UAE) - Dubai - UAE

(2016-10 - 2017-09)

• System Auditing: Conducted regular system audits and compiled operational reports for senior management.
• Project Lifecycle: Overseen and determined timelines for major IT projects, including system updates, infrastructure migrations, and planned outages.
• Budget Tracking: Allocated and reported on the annual IT infrastructure budget.
• Recovery Testing: Led business continuity recovery testing and uncovered bandwidth caps to overhaul corporate recovery plans.
• External Relations: Validated third-party vendor recovery capabilities through rigorous disaster simulation testing.

IT Manager - Jamil Odeh & Sons Co. (Jordan) - Jordan

(2015-10 - 2016-09)

• Operational Support: Directed the IT department supporting 400 endpoints and 26 infrastructure servers.
• Service Management: Supervised networks, tier-1/tier-2 help desk workflows, and routine hardware servicing.
• Debugging: Troubleshooted and corrected miscellaneous data pipeline and application bugs.
• Technology Evaluation: Identified emerging technologies to be adopted in new corporate projects and software programs.

Telecom Engineer & Project Manager - TE Data (Telecom Egypt) - Egypt

(2011-01 - 2015-09)

• MSAN Configuration: Installed and configured MSAN nodes across major vendors including Alcatel, Huawei, ZTE, and Zyxel.
• ISP & Routing Management: Managed dual ISP connectivity alongside enterprise Cisco routers and switches for high-priority data transmission networks.
• VIP Technical Support: Provided high-tier troubleshooting and advanced network support for critical corporate and VIP clients.
• Telecommunications PM: Served as Project Manager for microwave, 3G, and 4G rollouts in collaboration with telecom giants Huawei and ZTE.
• Cell Site Connectivity: Successfully established IP connectivity between Multi-Service Nodes (MSN), Microwave ODUs, and Smart Integrated Access Devices (SIAD).
• KPI Reporting: Generated network statistics, Grade of Service (GOS) reports, and established a cell-site database for infrastructure analysis.

IT Manager - Lilly Land Beach Club Resort (Egypt) - Egypt

(2009-08 - 2010-11)

• Infrastructure Management: Directed IT operations for a deployment scale of 400 users and 26 Windows enterprise servers.
• Technical Analysis: Executed cost-benefit analyses for incoming IT solutions and drafted tech proposals for executive funding.

Bachelor of Engineering - Telecommunications - Cairo University (2007)

Bachelor of Business Administration - Commerce - Al-Azhar University (2010)

Master's Degree - Cybersecurity - iTeam University (2026 - 2027)