Michael Halapchuk Email & Phone Number

Auckland, New Zealand

• I am part of the team of IT enthusiasts, designing and supporting enterprise grade systems and solving complex business problems with innovative technology solutions. I welcome challenges and take personal.
• Design and implementation of highly available business-critical systems.
• Distributed, cloud-based systems and virtualisation.
• Catalyst Cloud, OpenStack, Amazon Web Services.
• Automation and… Show more I am part of the team of IT enthusiasts, designing and supporting enterprise grade systems and solving complex business problems with innovative technology solutions. I welcome challenges and.
• Automation and configuration management.

Kyiv, Ukraine

• Developed network infrastructure and managed business-critical applications, ensured alignment to business strategy. Designed and implemented server infrastructure for improved operational resiliency and performance.
• Designed and maintained the Internet edge and DMZ infrastructure.
• Built and maintained the network and system infrastructure, including the corporate email system, databases, web and telecommunications on a Cisco and Linux core.
• Managed large-scale networking… Show more Developed network infrastructure and managed business-critical applications, ensured alignment to business strategy. Designed and implemented server infrastructure for improved.
• Managed large-scale networking environments.
• Upgraded and optimised the network and firewalls.

Kyiv, Ukraine

• Designed and managed network infrastructure. Maintained and monitored WAN, LAN and VPN networks. Managed vendor and supplier relationships.
• Built and maintained the network infrastructure.
• Performed configuration, implementation and maintenance of Cisco network equipment.
• Implemented redundant, instant failover VPN tunnels between branch offices and the central office.
• Evaluated, selected, deployed and configured enterprise network management tools for reporting and… Show more Designed and managed network infrastructure. Maintained and monitored WAN, LAN and VPN networks. Managed.
• Evaluated, selected, deployed and configured enterprise network management tools for reporting and inventory.

Kyiv, Ukraine

• Planned, designed and implemented an enterprise network. Maintained and monitored network security. Troubleshot and resolved complicated problems in relation to WAN and LAN.
• Developed and maintained the corporate network and related systems infrastructure.
• Enhanced a multi-vendor networking environment covering routing, switching, firewalls across multiple branch offices.
• Established a corporate-wide network security policy.
• Designed and developed a custom system for… Show more Planned, designed and implemented an enterprise network. Maintained and monitored network security. Troubleshot and resolved complicated problems in relation to WAN.
• Designed and developed a custom system for analysis and graphical representation of a load and utilization of the network and backend infrastructure.

Kyiv, Ukraine

• Had overall responsibility for UNIX servers at an Internet service provider. Deployed and supported network equipment.
• Designed and implemented server infrastructure required for an ISP environment, including NAS, DNS, NTP, LDAP, RADIUS and TACACS+ servers, MySQL databases and Apache web servers.
• Built local networks and installed structured cabling.
• Administrated Linux, FreeBSD, and Solaris servers.
• Administrated Cisco routers and switches.
• Implemented and… Show more Had overall responsibility for UNIX servers at an Internet service provider. Deployed and supported network equipment.

Kyiv, Ukraine

• Built an Internet café from scratch (network and cabling setup, servers and PCs configuration, software installation).
• Designed and deployed the local network.
• Negotiated with ISPs and implemented a redundant Internet connection.
• Maintained network and system security.
• Deployed and maintained a custom billing system.
• Supervised junior systems administrators.