Gezahegne Dibabe

Seeking a system administration position in a professional organization that can utilize my proven skills and experience in network and systems administration that enables me learn new technologies.

System Administrator; Infrastructure Engineer/ Systems Administrator - Friendship Public Charter Schools

(2007-10)

• Managed, planned the conversion to different ISP providers – multiple times
• Configured and managed Cisco Catalyst 2960, 3850, and 4500, and 9300 series switches using VLAN technology, VTP, and 802.1Q encapsulation.
• Migrated legacy access layer switches to new Meraki 9300 series, optimizing network performance.
• Upgraded the IOS firmware of switches via TFTP.
• Configured and troubleshoot Layer 3 routing protocols (EIGRP) on multilayer switches.
• Deployed high-availability switch configurations utilizing EtherChannel (LACP) for improved network uptime.
• Implemented Spanning Tree features including PortFast and other features to prevent network loops.
• Interconnect different buildings or/ and floors with Fiber Connections
• Managed Microsoft Exchange since Exchange 2003 until we migrate our system into Office 365.
• Deployed and managed configurations of Windows Server 2003, 2007, 2013, 2016, 2019 and 2021
• Setup and Managed Microsoft Active Directory and Group Policy for Windows different Microsoft Versions
• Setup, managed and maintained DHCP, TCP/IP, DNS and WINS servers
• Installed, Maintained and Updates of different Windows version servers: 2003, 2007, 2013, 2016, and 2019 Regularly updating software and firmware to keep systems running efficiently.
• Monitor server utilization and Monitor server log files and interact with and support users.
• Setup and Managed Microsoft Active Directory and Group Policy for Windows servers
• Setup, managed and maintained DHCP, TCP/IP, WINS, and DNS servers
• Setup VPN access to users using Barracuda VPN boxes
• Security & Patching: Applied security patches, managed user access, and enforced security policies to protect against vulnerabilities.
• Backup & Recovery of Servers: Setup and Implementing Symantec backup solutions to ensure data continuity. Review all backups, System and Applications logs daily and purge disks and salvage files
• Troubleshoot customer-oriented desktop, internet, printer and network-oriented problems
• Managed Adobe Product deployment and setup for clients
• Served as First point of contact for all user requests via email and phone
• Installed and managed Barracuda Spam Filter, Internet Security and Accelerator (ISA 2003) as an internet edge firewall.
• Served as Google Work Space Super administrator
• As Google Workspace Super managing user accounts, creating other admin roles, managing billing, setting up security policies (like 2-Step Verification), and accessing all user data such as calendars
• User and Admin Management: Create, delete, and restore users, and assign administrative roles to others. They are the only ones who can manage other super administrators, including resetting their passwords.
• Security and Compliance: Enforce 2-Step Verification, manage SAML apps, access the Security Center, and configure data loss prevention (DLP) policies.
• Domain and Billing Control: Manage company domains, handle billing, subscriptions, and licenses.
• Data Control and Access: Transfer ownership of files from deleted users, access user calendars, and manage Google Workspace Marketplace apps.
• Setting Configuration: Turn services on/off, setup or changed company-wide policies, and configure organizational units.
• Primary Liaison with ISP
• Served as the primary point of contact for coordinating project reviews, managing stakeholder communication, and ensuring compliance with development standards.
• Project Coordination & Tracking: Responsible for the Initial Screening Process (ISP) review for planning/engineering services, tracking project status
• Communication Bridge: Facilitates communication between departments and external stakeholders
• Problem Resolution: acting as a troubleshooter for both staff and external professionals.
• Administrative Support: Schedules meetings, prepares reports, maintains records, and manages documentation for review processes.
• Compliance: Ensures projects meet departmental standards, regulatory requirements, and policy procedures.
• Served as the Symantec End Point and Customer Administrator
• Deployment & Configuration: Installing agents on endpoints
• Monitoring & Response: Monitoring security alerts within the management console.
• Policy Management: Configuring the service to send alerts and defining security policies.
• System Maintenance: Keeping endpoints updated and managing the network infrastructure.
• Data Backups: Ensuring that all data is backed up, as Symantec is not responsible for data loss.
• Installing & Updating: Deploying Symantec Endpoint Protection packages and managing agent versions.
• Troubleshooting: Maintaining the health of the security client on laptops, desktops, and servers.
• Install, and administer Symantec Norton antivirus and Symantec End Point protection to maintain the security of the network and clients
• Configure and administer the Microsoft Forefront Security application
• Microsoft 365 Administration
• User and Group Management: Adding users, setting up security groups, and managing user permissions in the Microsoft 365 Admin Center.
• Security and Compliance: Enforcing multi-factor authentication (MFA), managing data loss prevention (DLP), and reviewing security reports, often using the Microsoft 365 Admin Center (in Conception Stage for Global Use).
• Technical Support and Troubleshooting: Addressing service issues, monitoring system health, and interacting with Microsoft support.
• System Configuration: Managing domains, custom email addresses, and service settings.
• Monitor and Manage Microsoft Exchange Server, manage and Setup new mailboxes
• Served as an MDM manager for Intune, Jamf, Mosaic, Google Work Space, and Meraki
• Device Enrollment & Configuration: Configuring, deploying, and managing company-owned and personal devices (BYOD) across different operating systems like iOS, Android, and Windows.
• Security & Compliance: Enforcing security policies (passcodes, encryption, app restrictions) and ensuring compliance with company security standards to protect corporate data.
• Remote Management & Troubleshooting: Monitoring device status, pushing updates, and troubleshooting device issues remotely to minimize downtime.
• Platform Administration: Managing the MDM system itself (e.g., Microsoft Intune, VMware Workspace ONE) to streamline device management.
• Application Management: Deploying, updating, and removing software applications on mobile devices.
• Data Protection & Security: Ensuring company data remains secure, including the ability to perform a remote wipe of devices if lost or if an employee left the Co.
• Managed and used different Ticketing systems such as School Dude and Zendesk
• Tenable Vulnerability Management Web Application Scanning) solutions to close attack paths, making the organization a more difficult target to attack.
• Workstation imaging and cloning
• Developed Yearly Golden Images: Creating a reference, "gold" standard image with necessary OS, software, and customized configurations (using Ghost, Acronis, and WDS)
• Maintenance & Updates: Regularly auditing and updating images (e.g., quarterly) to ensure patches and the latest drivers are included.
• Deployment: Using tools for network imaging or cloning to deploy images to multiple devices, reducing manual setup time.
• Setup and Use Symantec Ghost for cloning all laptop and desktop computers
• Others that are Routinely done among Many include
• Troubleshooting User Devices Such as Windows, Mac and Chromebook of Students and Teachers
• Trouble shoot accessibility and functionality of different learning Management systems and route to the primary person that can resolve or communicate the issue.
• Installed hardware: printers, drivers, Install and monitor customized web-based applications such as, Scholastic Reading Inventory, Head Sprout, Yearly Progress Pro, Lexia, etc
• Configure different Mobile Devices and or smart phones and all types of wireless access points
• Research and troubleshooting on escalated issues.
• Routine network monitoring, administration and maintenance.
• Learning new technologies that can be used in the schools to make the systems more effective.

Network and Desktop support (Part Time) - Network Runners, Inc

(2007-06)

• Troubleshoot customer-oriented desktop, internet, printer and network-oriented problems
• Setup novel clients for windows, Setup mail and service accounts (Novel and Microsoft)
• Manage and setup conference rooms
• Installed hardware: printers, drivers, and installed and configured Windows XP and 2000, novel client for Microsoft, Verizon cards, and software applications.
• Periodic Backup and restore of data and system files, purge disks and salvage files
• Setup conference rooms

CCNA - Learning tree International

MCP - Learning tree International

M.Sc - Information Science/Systems - Addis Ababa University

B.Sc - mathematics - Asmara University

LAN/WAN Engineer Program - Tech Pros Group, Inc.

Share point Deployment and Admin - Learning Tree International