Hi, I’m
Lavinia Marincu
Mediation Systems Administrator
Bucharest
Summary
I am an engineer with a proven track record of working in both the telecommunications and banking industries. Proficient in operating system management and database manipulation. Strong engineering professional with a Master's and Bachelor's degree focused on Information Technology.
Overview
10
years of professional experience
6
years of post-secondary education
1
Language
Work History
Orange Romania
Mediation Systems Administrator
03.2023 - Current
Job overview
- Administration of real-time and offline applications and platforms that enable ORANGE customers to access mobile data.
- Administration of the application responsible for processing CDRs (Call Detail Records) from all Orange platforms (Voice, Data, SMS).
- Administration of other applications that support critical services (e.g., Fraud Management System).
- Resolving incidents, proactively preventing issues, coordinating with other departments and identifying new ways to enhance systems.
- Participating in the upgrade/update of Mediation systems.
- Implementing Work Orders (WOs) to build new functionalities into production.
- Resolving claims through the internal ticketing system.
- Designing complex monitoring solutions to periodically gather information from managed systems using shell scripting or by installing and configuring monitoring applications (e.g., Logstash, Kibana).
- Developing automation jobs (e.g., Rundeck jobs).
- Querying and manipulating data in databases for various purposes.
- Performing backup maintenance.
- Maintaining consistency in process descriptions and system documentation.
- Being on-call 24×7 to ensure the flawless functionality of Mediation systems.
BRD – Group Societe Generale
Application Administrator
09.2019 - 03.2023
Job overview
- Managing/administration/upgrading of internal applications from BRD AV and BRD Pensii projects.
- Ensuring proper functioning of processes/jobs and others programs from the information system.
- Maintaining database consistency.
- Proactively monitoring the system to prevent incidents.
- Resolving all issues detected in the applications' functionality.
- Resolving all open tickets.
- Performing maintenance activities.
- Providing 2nd level support and escalating issues that cannot be resolved at the second level to level 3 (external providers) .
- Updating/optimizing backup or restore policies and ensuring the consistency of performed backups.
- Updating documentation and procedures related to operational processes and application administration.
- Creating, verifying, and submitting reports to official authorities.
Telekom Romania Mobile Communications SA
Prepaid&IN Engineer
06.2017 - 08.2019
Job overview
- Operations and maintenance of equipment and applications for Prepaid & IN services, including: SDP (Service Data Point),CCN (Charging Control Node),OCC (Online Charging Control Server),VS (Voucher Server),AIR (Account Information and Refill Server),CRS (Charging Data Reporting System),ECMS (Ericsson Customer Management System)
- Interaction with equipment and application providers to report and resolve system issues.
- Performing health checks on critical platforms and nodes, analyzing alarm trends to ensure smooth operation, and developing routine procedures for proactive maintenance.
- Handling tasks based on the ticketing system.
- Providing support in the user acceptance testing of new Prepaid & IN services.
- ackup maintenance.
- Participating in upgrade/update/migration projects on the Prepaid & IN platform and maintaining consistency in process descriptions and system documentation.
- On-Call duty 24×7 for implementing work orders or other activities that must be executed during the maintenance window.
Business-Performance
Junior Web Developer
10.2016 - 04.2017
Job overview
- Writing well-designed, testable, and efficient code using best software development practices.
- Creating website layouts/user interfaces using standard HTML/CSS practices.
- Integrating data from various backend services (PHP, JavaScript) and databases (MySQL).
- Gathering and refining specifications and requirements based on technical needs.
- Creating and maintaining software documentation.
- Responsible for maintaining, expanding, and scaling websites.
Microsoft
Web Developer Internship
06.2014 - 07.2016
Job overview
- Creating a web application in the Tourism field using Microsoft Expression Blend technology and C# language.
Education
Academy of Economic Studies , Bucharest
Master’s degree from E-Business
01.2015 - 04.2017
Academy of Economic Studies , Bucharest, Romania
Bachelor’s degree from Cybernetics, Statistics And Economic Informatics
01.2012 - 04.2015
Skills
Good communication skills
Personal Information
- Date of Birth: 07/17/1993
- Gender: Female
- Nationality: Romanian
- Driving License: Category B
Timeline
Mediation Systems Administrator
Orange Romania
03.2023 - Current
Application Administrator
BRD – Group Societe Generale
09.2019 - 03.2023
Prepaid&IN Engineer
Telekom Romania Mobile Communications SA
06.2017 - 08.2019
Junior Web Developer
Business-Performance
10.2016 - 04.2017
Academy of Economic Studies
Master’s degree from E-Business
01.2015 - 04.2017
Web Developer Internship
Microsoft
06.2014 - 07.2016
Academy of Economic Studies
Bachelor’s degree from Cybernetics, Statistics And Economic Informatics
01.2012 - 04.2015
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