Roman Lesnikov Email & Phone Number

Pittsburg, Ca, Us

San Francisco, Ca, Us

San Francisco, Ca, Us

Responsibilities:Keep IT infrastructure heathy, up-to-date and secureGuide mid level and junior IT staff through implementing systems which have less or no impact to global IT infrastructure Plan, implement, troubleshoot, monitor and support various global infrastructure projects and systems including but not limited to: upgrading user identity systems and services, protection and security systems, backup platforms, storage systems and services, virtual and cloud infrastructureBuild new and maintain current relationships with vendors and other companies related to assigned responsibilities Participance in budget planning and expense distribution Be a part of global on-call support

Oakland, California, Us

Supporting and maintaining desktop and network systems including installations, maintenance, and support. Participation in the planning and implementation of projects, conducting research as needed, and take part in the management and monitoring of firewalls, switches, servers, storage, workstations, website, and other related systems. Troubleshoot issues of all levels to ensure consistent and timely performance and reliability of essential services.Responsibilities:• Administrate VMWare vSphere via vCenter• Manage blade server systems (primarely HP c3000/c7000)• Windows Server and Active Directory to 2016 installation and management• Networking (VLANs, routing, subnets, and QoS) on various manufacturer hardware (Cisco Switches, Barracuda web application firewall & load balancers and SonicWall firewalls NSA series)• Implementing backup best practices including software, hardware and retention policy management (Acronis / nScaled)• Storage configuration, management and replication technologies (HP, Nimble AF3000 SSD, Cisco and Brocade FC SAN switches• Support of MS Office and standard productivity software needs• Occasional support hardware and software related to printers, copiers, faxes, scannersTroubleshoot and solve complex hardware and software issues in a proficient and positive manor• Monitor systems and network and be proactive in issue recognition and resolution• Work with phone system support (Avaya telephony)• Project management from defining need, establishing business requirements, and managing resources to completion of tasks including documentation and establishing ongoing system maintenanceDatabase systems management (Oracle 11g, MS SQL2008+)

Perform an on-going Network Systems Administration role.Responsibilities:* Managing Windows and Linux web server environments, network infrastructure including functionality and general health of web servers, SQL database systems, and installed applications (CNS).* Performing a variety of implementation and changes as requested by developers including configuring and managing web servers, VMWare instances and documentations.* Maintain documentation of all staging, production environments and standard operating procedures.* Assisting the IT department with day to day tasks including HW trouble, SW & systems administration.

Walnut Creek, California, Us

Manage project for IT business processes automation. Implement new IT technologies, support existing IT infrastructure. Various networking and software services Provide dedicated IT support for implementation and end functionality of each part of IT infrastructure (contract job).Responsibilities:• Setup company accounts, computers, laptops, printers, scanners• Update and patch servers and workstations• Setup google apps accounts for mail, calendars and google drive.• Manage software licenses (Microsoft, Solarwinds, Macafee etc.).• Setup and maintain company network (lan-access, internet access, file and printer sharing)• Manage purchasing of software and hardware• Provide a remote support (Solarwinds remote support)• Consult colleagues with their laptops (MacBook & Windows-based)

Managed the team of programmers, network administrators, software and hardware engineers, supported 350 users, 350 workstations and 30 servers, planned budgets, managed projects and IT-infrastructure development. Responsibilities:• Support existing MS Exchange servers and mail infrastructure.• Plan, deploy, support and maintain VMWare infrastructure.• Install new Windows-based and Debian/RedHat-based servers (physical and virtual).• Support existing and new storage systems (iSCSI, Fiber and SAS).• Update and patch servers and workstations

Responsibilities:• Support Novell and Microsoft network, support Cisco-based 3 and 2 layer networks.• Experience with Windows XP/7 Support, VMWare Administration.• Implementing and operating enterprise level office networks.

Cisco Certified Network Professional, Routing And Switching

Master'S Degree, Information Technology And English