Network Engineer / Specialist
About Candidate
Introduction:
An experienced Network and System Administrator with over 19 years of expertise in managing and maintaining enterprise-level IT infrastructure. With a background in the Ministry of Internal Affairs and Ministry of National Defence, has successfully installed, configured, and optimized Windows server systems, network devices, and VMware-based virtualizations. Skills include implementing automated data backup and recovery systems, improving network security, and designing scalable network infrastructure. Extensive experience with CISCO routers, firewalls, and VoIP systems, as well as developing network policies to mitigate data breach risks. Expertise in troubleshooting, system performance optimization, and ensuring continuous operation of mission-critical systems.
Responsibilities:
- Installed, configured, and maintained enterprise-level Windows server systems.
- Upgraded and maintained system software to improve performance and security.
- Developed automated backup and recovery systems using Veeam and ESXi.
- Managed user accounts, passwords, and access privileges for security.
- Implemented VMware-based virtualization strategies to optimize hardware.
- Configured and managed CISCO routers, firewalls, and network devices.
- Designed and implemented new network infrastructure, including LAN/WAN and VoIP.
- Applied subnetting techniques to accommodate future network growth.
- Developed network policies to improve security and mitigate risks.
- Troubleshot and resolved network, system, and application issues.
- Configured and administrated network devices like routers, switches, and firewalls.
- Deployed and updated applications for LAN workstations using SCCM.
- Managed frequency and programming for radio communication systems.
- Installed and configured vCenter Server for automated virtual environment control.
- Enhanced network architecture to support new applications and technologies.
- Configured and maintained Domain Controllers, SQL Server, and Microsoft Exchange.
- Improved network security with updated policies and configurations.
- Coordinated with teams for improved resource management and performance.
- Analyzed and optimized network address utilization and subnet masks.
- Assisted in the configuration and testing of VoIP communication systems.