Virgil S.
Linux Administrator
Experience
Linux Administrator
Be Shaping the Future
Participated in elaborating infosec policies, documents and procedures in IT security within internal organization of customer (Unicredit Bank Romania).
Managed the backup policy of all data from internal server’s center of customer.
Installed, configured and administered the company's internal network servers using RedHat OS distributions.
Installed and maintained the computers network.
Administered the branch servers of customer.
CACTI Skill Center Technical Expert
Orange Services Romania
Collected data around CACTI infrastructures deployed on RedHat OS distributions.
Developed industrialized and standardized CACTI packages.
Maintained and supported CACTI packages.
Designed and updated a generic technical architecture folder for the Cacti normalized solution.
Supported L1 French teams for deployment and usage of the CACTI normalized solution.
Provided support for CACTI users.
Wrote technical documentation.
Technical Authority Expert (Video System Engineer)
Ericsson Romania
Provided 2nd line support for broadcast and video platforms in partnership with Liberty Global.
Managed end-to-end operations for all types of Linux-based video platforms.
Resolved customer complaints by troubleshooting or reproducing issues across Ireland, UK, Netherlands, Poland, Austria, Switzerland and Belgium.
Collaborated with CRM, 3rd line support, Development, DataOps and CDN teams to resolve incidents.
Provided solutions to enhance monitoring systems based on Nagios, Seyren, Prometheus, Grafana and ELK.
Verified integrity and availability of server resources, reviewed system and application logs, and confirmed completion of scheduled jobs.
Supported on-call teams for operational issues and performance degradation.
Improved network and server host performance through periodic capacity assessments and traffic analysis using Kibana (ELK), Grafana, Dynatrace, Extrahop, Icinga and in-house Python/Bash scripts.
Troubleshot streaming protocol issues (HLS, HSS, VOD, RTSP) and transcoder hosts.
Worked with Jira, Confluence and Bitbucket.
Troubleshot Kubernetes-based microservices on hosts and via Kibana; used Postman for API testing.
Collaborated with digital security vendors like Irdeto and Nagra.
AIX/Linux Specialist
ECTA 74 Software SRL
Maintained and developed network infrastructure for IBM Romania based on Power systems using AIX, RedHat and SUSE.
Member of IGEL, AS400 and Ro Monitoring teams.
Managed events, incidents and problems by analyzing alerts and logs; performed root cause analysis.
Installed and supported IBM Power 5 to Power 9 servers, PowerVM and firmware upgrades.
Installed and supported server operating systems, system management software and utilities including upgrades.
Conducted performance and availability analysis.
Promoted and maintained server patch management practices and performed security updates to ensure compliance with security guidelines.
Troubleshot performance issues, OS configuration and hardware failures and applied fixes.
Created and implemented change requests for incidents/problems.
Managed access in Linux environments and provisioned new LPARs and VIOS.
Performed periodical maintenance and support according to project specifications; checked tickets from 1st level team and provided on-call support for patching and scheduled changes.
Monitored client infrastructure using Nagios and Icinga.
Conducted daily checks per procedures and client agreements; escalated issues to 2nd level as needed.
Provided on-site support for customers in the ECuRep project.
Resolved and documented incidents, requests and changes via ticketing and monitoring systems.
IT Administrator
Economic College "Virgil Madgearu"
Acted as network administrator and computer teacher.
Created and defined user groups and organizational units; allocated local network IP addresses.
Determined naming conventions for servers, workstations and other network equipment.
Managed network and copy equipment, printers and internal surveillance video system.
Installed Windows Server 2003 R2; configured DNS, Active Directory, DHCP, group policies and backup jobs.
Added stations, renamed fields per defined format and migrated local user profiles to domain users.
Created shared resources and allocated rights to user groups.
Ensured network and computer security; performed data recovery and backups.
IT Specialist
TiCris Software Company
Member of packaging team: captured software (registry entries, files, running processes, ODBC resources), edited packages, created custom actions (Visual Basic scripts), compiled MSI databases, validated installations and managed conflicts; performed final unit testing.
Member of HR Access team: analyzed and adapted client tasks for HR Access 5.1 and 3c; modified treatments, created populations, generated registers and layouts using DB2/UNIX for IBM headquarters in Paris, France.
Developed COBOL programs in I-series environment using CL, DDS, SEU, SDA, RLU, PDM, SQL, SQL Query Manager and DB2 for migration projects from mainframe /370 to AS400.
Analyzed and converted COBOL programs, performed manual and automatic conversions, unit tests and integration tests.
Teacher of Computer Science
General School No. 3 "N. Titulescu"
Taught computer science classes.
Established and developed IT lab.
Provided technical, logistic, human resource and financial support.
Languages
Education
Technical University of Civil Engineering
Postgraduate Specialization in Informatics · Informatics · Bucharest, Romania
Faculty of Economic Sciences, University of Pitesti
Postgraduate degree in Management and Business Administration · Management and Business Administration · Pitești, Romania
Faculty of Commerce and Tourism Management, University “Dimitrie Cantemir”
Bachelor's degree in Tourism Management · Tourism Management · Bucharest, Romania
Certifications & licenses
CCNA 3 - Routing & Switching
CCNA 1, 2 - Routing & Switching
DB2 9.7 Academic Workshop – IBM Romania
IBM Romania
Linux Essentials Certification
Installing And Configuring Windows Server 2012
ITIL Foundation
Cisco Instructor Course - IT Essentials: PC Hardware And Software Module
Computer Network Administrator Course
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