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senior
Registration: 07.11.2022
Alexander Vasilenko
Specialization: System/Network Engineer
I am a flexible and committed system engineer and administrator. I am eager to learn new skills and competencies. I am passionate about what I do, the infrastructures I develop, and the solutions I architect. I am an enthusiastic team player and strive to contribute best practice, standards compliant approaches wherever possible. Worked as technical architect on a cloud platform, serving up to thousands virtual machines and generating thousands of IO per second. Wealth of technical experience in various areas, and a variety of organizational and managerial roles. Over 15 years administration experience of many operation systems and network equipment. Full time administrator since 1999. Highly skilled in fault analysis and debugging. Configuration control of massively parallel development streams.
Virtualization is a main part of my job for last 15 years. Worked on multi-vendor compute and data storage architectures both custom and brand. Professional skills abstract:
Server administration – Dell, HP, Cisco UCS. Managing and provisioning multiple types of hosts with both standalone and orchestration deployment models.
Operation Systems – Linux (Debian/Ubuntu, CentOS/RHEL, some experience in SUSE/SLES), Windows (from Windows 2003 Server to current), Some experience in Solaris/OSOL. Experimenting with OpenIndiana Virtualization – vmWare vSphere stack (ESXi, vCenter, vSAN, NSX)
Storage – vSAN, Freenas, Nexenta, HP, Dell, PureStorage, Synology and QNAP
Networking – Cisco, Meraki, Brocade, HP, Nortel/Avaya, Mikrotik, SNR, Qtech, pfSense/FreeBSD based firewalls
I am a flexible and committed system engineer and administrator. I am eager to learn new skills and competencies. I am passionate about what I do, the infrastructures I develop, and the solutions I architect. I am an enthusiastic team player and strive to contribute best practice, standards compliant approaches wherever possible. Worked as technical architect on a cloud platform, serving up to thousands virtual machines and generating thousands of IO per second. Wealth of technical experience in various areas, and a variety of organizational and managerial roles. Over 15 years administration experience of many operation systems and network equipment. Full time administrator since 1999. Highly skilled in fault analysis and debugging. Configuration control of massively parallel development streams.
Virtualization is a main part of my job for last 15 years. Worked on multi-vendor compute and data storage architectures both custom and brand. Professional skills abstract:
Server administration – Dell, HP, Cisco UCS. Managing and provisioning multiple types of hosts with both standalone and orchestration deployment models.
Operation Systems – Linux (Debian/Ubuntu, CentOS/RHEL, some experience in SUSE/SLES), Windows (from Windows 2003 Server to current), Some experience in Solaris/OSOL. Experimenting with OpenIndiana Virtualization – vmWare vSphere stack (ESXi, vCenter, vSAN, NSX)
Storage – vSAN, Freenas, Nexenta, HP, Dell, PureStorage, Synology and QNAP
Networking – Cisco, Meraki, Brocade, HP, Nortel/Avaya, Mikrotik, SNR, Qtech, pfSense/FreeBSD based firewalls
Portfolio
Ptech Inc.
Senior network and virtualization administrator
Flexprint Inc.
Network and virtualization administrator
AAASC
VmWare Engineer / Network administrator
Skills
Dell
HP
Cisco UCS
Linux
Debian
Ubuntu
CentOS
RHEL
Solaris
vmWare
vSphere
ESXi
vCenter
vSAN
NSX
Dell
Work experience
Senior network and virtualization administrator
since 07.2019 - Till the present day |Ptech Inc.
ESXi/vSAN/NSX, vCenter, Converter, vSan, esxi
Roles & Responsibilities:
Installation, configuration and deployment of VMware vSphere family products (vCenter, Converter, vSan, esxi etc)
Full p2v migration to vmWare stack (ESXi/vSAN/NSX managed with vCenter) with near zero downtime.
Edge and core router cluster configuration and upgrade. Implemented site recovery scenario to backup datacenter using Veeam replication technology Implemented aggregation and transport network topology for L3 network with apr. 3000 switches with dynamic routing and L2 redundancy
Migrated web hosting infrastructure to cPanel cluster.
Configured FreeNAS storage as iSCSI disk buffer for tape library.
Troubleshooting general SAN and VMware vSAN related issues.
Tested and implemented DR plan for both virtualization and network layers Involved in Windows and Linux servers deployment in virtual DR environment Hands on experience with Windows 2003, 2008R2, 2012 Server Hands on experience with Microsoft Active Directory, Group Policy, Wireshark debugging, DNS, DHCP, OSPF, RSTP, RADIUS AAA, PPP, PPPoE, IPoE and POE; Unix system administration (Ubuntu Linux, Centos, SLES, FreeNAS)
Network and virtualization administrator
03.2014 - 06.2019 |Flexprint Inc.
Ubuntu Linux, Centos, SLES, FreeNAS
Roles & Responsibilities:
Installation, configuration and deployment of VMware vSphere family products (vCenter, Converter, vSan, esxi etc)
Optimized ESX network connectivity utilization including VLAN tagging and teaming and 802.1q VLAN tagging
Configured core network router, firewall cluster, UCS fabric interconnect and implemented wireless WPA2-EAP standard.
Implemented site recovery scenario using 2 Cisco UCS chassis and Veeam replication technology Implemented monitoring and log collecting service.
Actively involved in global hardware upgrade process and datacenter migration.
Good experience in migrating production VMs to new Datacenter with near zero downtime.
Configured FreeNAS iSCSI backup storage.
Extended experience in troubleshooting SAN related issues and firmware upgradations of SANs in VMware and different environments Support mixed vSphere 5x and vSphere 6x farm.
Design and Plan Upgrade to vSphere6
Actively involved in DR design and planning
Involved in Windows and Linux servers deployment in virtual DR environment
Tested and recommend Replication/Backup solutions for VMware, SAN and Disaster Recovery
Provision VMware Datastore’s and configure storage for Virtual Machines
Hands on experience with Windows 2k, XP, 7, 2003, 2008R2, 2012 Server
Hands on experience with Microsoft Active Directory, Group Policy, DNS, DHCP;
Unix system administration (Ubuntu Linux, Centos, SLES, FreeNAS)
VmWare Engineer / Network administrator
04.2010 - 01.2014 |AAASC
VmWare
Roles & Responsibilities:
Using VMware vCenter, created DataCenter Environment by creating VMware clusters, adding ESX hosts in the clusters, and implemented HA and DRS.
Installed and configured ESX 4.0 Servers on Blade Servers.
Performed physical to virtual (P2V) migrations for approximately 500 physical servers utilizing VMware Converter.
Installing, configuring and troubleshooting VMware View
Performed tons of V2V Migration
Created clones and templates of Virtual Machines
Deploying VMs Through Templates
Created & Troubleshot Virtual Networks and vSwitches
Installed following servers Win98, Win XP, Win NT, Win 2000, Win 2003, Win 2008 etc.
Configured DNS, DHCP etc.
Configured HP Blade DL460 using the ILo & Onboard Administrator and HP Insight Manager.
Responsible for deploying, managing, and maintaining HP Proliant BL-series C class blade servers and DL-series servers.
Worked with business clients to evaluate, streamline, and improve current systems, processes, and workflow. Dec 2008 – Feb 2010 VmWare Engineer / Network administrator |
Round 2 Inc.
Using VMware vCenter, created DataCenter Environment by creating VMware clusters, adding ESX hosts in the clusters, and implemented HA and DRS.
Administrating DNS, DHCP servers. Created and managed user and group accounts in User Manager.
Using VMware vCenter, created DataCenter Environment by creating VMware clusters, adding ESX hosts in the clusters, and implemented HA and DRS.
Experienced with x86 / x64 Intel, HP, IBM & Dell hardware like rack-mounted servers, tower servers, desktop, laptop and other peripherals.
Responsible for Active directory, GPO, Domain users, Administrating users and groups and given appropriate permissions and privilege to access our LAN and Domain environment.
Languages
EnglishIntermediateRussianNative