Cosmin Matei Email and Phone Number

I was responsible for the implementation of monitoring and management systems for Deutsche Bahn client for their railroad GSM-R communication network. My main activities were focused around:- Being in continuous communication with the client and discussing theproject requirements- Aligning with the Delivery team for timely delivery and implementation ofhardware and software products- Writing and providing the customer with proper documentation for theproject-… Show more I was responsible for the implementation of monitoring and management systems for Deutsche Bahn client for their railroad GSM-R communication network. My main activities were focused around:- Being in continuous communication with the client and discussing theproject requirements- Aligning with the Delivery team for timely delivery and implementation ofhardware and software products- Writing and providing the customer with proper documentation for theproject- Handling of Test Cases for software acceptance- Overviewing the implementation of the new systems on the live network Show less

- Responsible for scheduling and maintaining the linux/unix batch processing jobs and Oracle SQL scripts using Control-M BMC Proactive Performance Management for all the production and testing environments;- Work with developers to continuously improve platform automation, monitoring, alerting and stability to meet customer needs with respect to availability, performance and reliability;- Responsible for maintaining and 24/7 monitoring of production environments using Check MK… Show more - Responsible for scheduling and maintaining the linux/unix batch processing jobs and Oracle SQL scripts using Control-M BMC Proactive Performance Management for all the production and testing environments;- Work with developers to continuously improve platform automation, monitoring, alerting and stability to meet customer needs with respect to availability, performance and reliability;- Responsible for maintaining and 24/7 monitoring of production environments using Check MK tool within the on-call by rotation;- Deployment on QA, Pre-Production and Production environments;- Problem management according to the SLA using Jira for incidents on Production environments and bugs on Preproduction/ Quality Assurance environments;- Handle incidents and tasks via Jira or mail;- Configuring automation scripts on linux and unix servers for deployments and other operational tasks;- Build documentation for tasks, issues and projects;- Work with other departments/teams on performing the root cause analysis for critical Production issues or solving the re-occurring problems;- Participate in Agile specific meetings;- Assures good preparation of projects and keeps deadlines feasible;- Organize work according to the application support life cycle;- Perform Quality Assurance tests for specific user stories;- Strive for work efficiency and effectiveness, initiates improvements, participates at work related strategies;- Add value to the product by solving complex and unique problems with broad impact on the business;- Planning and performing standard services activities for AIX and Linux RedHat servers maintenance, Oracle database refresh, database upgrade, OS upgrade, etc.;- Installing of specific patches using Jenkins;- Define, design, and automate infrastructural tasks; Show less

- Daily maintenance of various OSS systems and tools;- General O&M activities across all OSS platforms to maintain the tools performance;- Manage Incidents that affect NMS/OSS systems, and align with contractual objectives and SLAs;- Task handling based on ticketing system and troubleshooting process flow;- Pro-active monitoring of OSS component performance and capacity;- Perform health checks on critical platforms and analyses alarm trend to ensure smooth operation… Show more - Daily maintenance of various OSS systems and tools;- General O&M activities across all OSS platforms to maintain the tools performance;- Manage Incidents that affect NMS/OSS systems, and align with contractual objectives and SLAs;- Task handling based on ticketing system and troubleshooting process flow;- Pro-active monitoring of OSS component performance and capacity;- Perform health checks on critical platforms and analyses alarm trend to ensure smooth operation, develop routine procedures for proactive purposes;- Provide consultation and support for all project teams related to RAN/TX OSS Components, technical escalation to vendor, issue trouble report and follow up resolution;- Keep consistency in process descriptions and system documentation;- Backup maintenance;- User management;Developed useful ways (scripts, but not only) for automating OSS department tasks.Participation with valuable insight in the process of accepting different tools in the production environment. Show less

- 24x7 Network Surveillance and technical support across dual-vendor 4G RAN network, single-vendor 5G, and related transmission network components.- Ensuring sites are accepted into the network within SLA and as per TTO acceptance processes in place from 3rd Party Management Layer.- Maintain open and regular communications with internal service operations teams, including Service Desk, Incident Management, Problem Management and Back Office teams, to ensure continuous service… Show more - 24x7 Network Surveillance and technical support across dual-vendor 4G RAN network, single-vendor 5G, and related transmission network components.- Ensuring sites are accepted into the network within SLA and as per TTO acceptance processes in place from 3rd Party Management Layer.- Maintain open and regular communications with internal service operations teams, including Service Desk, Incident Management, Problem Management and Back Office teams, to ensure continuous service improvement.- Monitoring during FOA activities to verify compliance of the solution as per agreed criteria.- Testbed Support- Preventive and corrective maintenance- Drive testing and benchmarking analysis- Emergency Reinstatement Management.- Existing network alarm and faults collection before Huawei swap- Routine Tasks (e.g., monitoring Huawei network elements, undertaking system backups and health checks)- Provide fault analysis to support for equipment hardware problem escalation and improve implementation procedure.I was promoted to Back Office OSS Engineer following an evaluation and an internal job interviewing process. Show less

- Network surveillance, 1st level restoration and preventative maintenance- Monitors, performs troubleshooting, fault acknowledgement and fault analysis (Huawei monitoring applications - U2000, U2020 etc.)- Work with the application for trouble ticket management (BMC Remedy)- Maintains the service delivery level within the agreed SLAs- Follow-up on incidents, registered but not solved, escalated to next level support- Interprets / understands technical information and… Show more - Network surveillance, 1st level restoration and preventative maintenance- Monitors, performs troubleshooting, fault acknowledgement and fault analysis (Huawei monitoring applications - U2000, U2020 etc.)- Work with the application for trouble ticket management (BMC Remedy)- Maintains the service delivery level within the agreed SLAs- Follow-up on incidents, registered but not solved, escalated to next level support- Interprets / understands technical information and prepares technical documentation- Solves standard problems based on the existing procedures- Controls and manages complex technical situations/projects in a calm and professional manner (required to provide technical input in technical conference bridges)- Use effectively telecom knowledge to manage faults and customer demands. Show less

- Troubleshoots the issues reported by the Nobel customers/other companies;- Appropriate escalation of NOC tickets (following escalation procedures);- Maintains a high-quality level for the calls received and the tickets handled;- Responsible for the daily completion of NOC trouble tickets in their appropriate time and manner;- Be involved in developing procedures for all the activities related to NOC and Routing Departments and shift handover;