Swiss multinational manufacturing company for the pharmaceutical, biotechnology and nutrition sectors.

• Prepare Active Directory split conceptual technology model
• Design global/regional file share unstructured data split methodology
• Track and control MS AD split and migrations
• Managing access rights (trough AD security groups, LUCA)
• Unstructured data isolation and migration to cloud based infrastructure (Azure Storage, SP)
• General consulting on various technologies (MS ARR routing / Load balancing, IIS, HA, etc.)

Ultra

Tigo Colombia

DPD

WTW

Ovoko / RRR

Employed as a System Operation Engineer in the IT Operations department, duties included:

• Executing daily, monthly and quarterly Windows & Linux Systems Administration tasks.
• Working with Cloud SaaS, PaaS and IaaS based models (IBM/SoftLayer, AWS, Azure).
• Installing, testing, operating, troubleshooting, and maintaining server hardware and operating systems (Windows and Linux) including virtual environments (more than 1800 servers globally).
• CI/CD pipelines and IaaC infrastructure automation (Jenkins, TeamCity, GitLab, BitBucket, Terraform, Nexus artefact repo, 
• MS SQL, MariaDB and PostgreSQL DB administration, upgrades, migration, HA/DR solution planning and implementation (Replication, Mirroring, Failover Clustering, Transaction log shipping, Streaming Replication, etc).
• Administering and configuring Hyper-v, VMware vSphere, vSAN, NFS, DFS, sFTPs, CA, Load Balancers, DNS, ActiveDirectory, GPO, IIS, FW, Apache, Tomcat, etc.
• Monitoring, tracking, and responding to critical alerts in order to ensure companies? products maintain 99.999% availability.
• Supporting a geographically diverse environment
• Implementing changes and bug fixes, security patches
• Planning disaster recovery and switch-over plans
• Participate in Worldwide projects.

IT and Telecommunication services provider working with business customers, carriers and governmental institutions worldwide.

• Primary role ? administrating Windows (Win Servers 2012/2016, Active Directory/DNS/GPO) and Linux based systems (OS [mainly Debian and Ubuntu], sFTP/FTP/FTPs, HTTP/s, NFS, Gluster FS, LDAP, HA Clustering, Nginx, Tomcat, Zabbix and many others);
• Cisco ASA configuration (VPN, Firewalls)
• Supporting access control for the above environments.
• Administering and configuring virtualization platforms based on Hyper-v, KVM and VMware (5.5, 6).
• Writing/scheduling and executing administration automation scripts.
• Implementing changes and bug fixes, security patches
• Participate in EMEA projects.

Employed as a Network administrator in the Information System administration unit, duties include:

• Designing IT infrastructure.
• Preparation specifications for new hardware, migrating to new HW.
• Participate in purchasing IT assets.
• Maintain and assure continuous work of Faculty IT systems.
• Solve and eliminate system malfunctions, implementing changes and bug fixes, security patches.

Day to day activities:

• Network administration
• Administrate VMware ESXi and MS Hyper-v servers.
• Installation, configuration & administration of Windows 2003 and 2008 servers and Active Directory infrastructure.
• Automated installation, upgrading and patching of Win XP and Win7 (using WSUS, SCCM 2007)
• Managing email system (Postfix+amavis+clamav+Spamassasin+pyzor),
• Administrate Faculty main web pages (WWW.VDAKF.LT) (Apache Web server+PHP+JOOMLA)
• Administrate databases (MySql, MS SQL2008).
• Install, upgrade, patch various office and graphics application (MS Office, Autodesk, Adobe, Corel). (Using SCCM 2007)
• Administrating antivirus domain Symantec Endpoint Protection.
• Maintain Microsoft file and print services.

Day to day activities:

Day to day activities:

Member of the SEB Group ? a leading Nordic financial services group ? SEB Bank is the major commercial bank in Lithuania, offering its customers financial advice and a wide range of banking services.

• Maintain and assure continuous work (24x7) of various bank systems, solve and eliminate systems malfunctions.
• Preparing production and test environments
• Implementing changes and bug fixes, security patches
• Planning disaster recovery and switch-over plans
• Migrating to new HW
• Communication with software vendor support
• Ensure IS audit requirements.
• Participate in projects.

Day to day activities:

• Administrating 2003/2008 server clusters, managing AD domains & forests, groups, etc.
• Configuring, patching, securing MS SQL, IBM Informix, migrating to the new HW, upgrading from earlier versions, consolidating.
• Trouble shooting MS SQL, Informix performance issues, bottlenecks, locking problems. Prepare backup/restore and disaster recovery plans for production servers.
• Implementing and administering database replication between SQL Server databases, transaction log shipping and failover clusters, creating jobs to automate repetitive tasks.
• Administering IIS & Tomcat farm. (bank main web sites: , fin.seb.lt, front-end of Payment Cards core program TSYS Prime2, Oracle iFlex FlexCube front-end, etc.), implementing load balancing web servers for performance and high availability. (LoadBalancer, creating , )
• Administrating various list of enterprise applications: Crystal Reports IX Enterprise, Call Center system, customers flow management system , print domain SafeQ enterprise cluster, various internal reporting platforms, deploy fixes, new functionality, ensure HA, solve potential performance issues, etc.
• Maintain the repositories for different environments like DEV, ST, SIT, AT, EDU and PROD, regularly synchronize the AT, DEV, ST, SIT, EDU environments with Production.
• Communicating with system holders, change, realize and problem managers, provide business department users support.
• Write installation and best practices administration/configuration manuals. Solving problems in conformance with SLAs.