TIM Brasil

Operations

• Responsible for performing specialized maintenance and operation of mobile network systems.
• Perform specialized-level maintenance and operation of network elements and services within the area of responsibility;
• Analyze and execute configuration requests (MOP), resolve medium- and high-complexity issues, and handle corrective tickets for network elements within scope;
• Perform acceptance testing for new network elements and services (ATP and PQR);
• Deploy, manage and troubleshoot network devices in virtualized environments;
• Ensure, together with the monitoring team, the deployment and proper functioning of monitoring integrations;
• Provide support and manage the implementation and activation of engineering projects;
• Support the engineering team with occasional validations at the TIM Lab for solutions or equipment within the network scope;
• Analyze and resolve faults related to implemented configurations and provide support for network failures detected in normal production operations;
• Provide occasional support to the network monitoring team and the Innovation Labs area;
• Work on-call and participate in emergency shifts according to area schedule;
• Execute scheduled activities during maintenance windows (between 22:00 and 07:00);
• Develop scripts and processes for automation to increase efficiency and reduce task execution time.

O&M Senior Consultant, Routing, ITX Ops

Analyst

• Responsible for creating and maintaining the analytical and artificial intelligence solutions for the Regional Network Operations structure, taking into account the main performance indicators of Network Operations and field activities carried out by contracted vendors, ensuring their availability, proper functioning and optimization.
• Main activities
• Deploy solutions;
• Create Power BI reports/dashboards for quick visualization of indicators;
• Provide specialized support to solution users in case of problems or outages, investigating and resolving application-related incidents;
• Promote improvements to existing processes and solutions;
• Manage the execution of batch processes across environments;
• Define, diagnose and correct data load and extraction routines;
• Define, diagnose and fix code errors in applications (sustainment/support);
• Manage suppliers regarding the monitoring of established quality indicators.

Performance Management Professional – Senior Consultant

Consultant

• Responsible for preventive maintenance and monitoring of network quality indicators for international and national roaming services.
• Main Activities
• Develop and monitor KPIs for International and National Roaming quality and take actions to ensure service between the company and partner operators;
• Propose improvements to the area’s internal processes and implement them;
• Monitor and govern new International Roaming agreements to ensure end-to-end processes;
• Prepare configuration plans for IMSI ranges of national and international operators;
• Update documentation for publication with other operators;
• Interact with Planning, Engineering and NOC teams to collect data or report network issues;
• Analyze network signaling to identify problems;
• Perform preventive maintenance to anticipate Inbound and Outbound Roaming failures;
• Monitor the operation of Roaming 30k with partner operators;
• Perform troubleshooting for customers in national and international Roaming, using signaling tools;
• Provide support to the iSOC;
• Prepare network performance reports and dashboards for Roaming;
• Participate in meetings with international operators and solution vendors.

Roaming Professional – O&M Consultant

DevOps Engineer

• Execute configuration, administration and troubleshooting tasks on physical and virtualized networks within the NFVi environment, including L2/L3 switches, virtual switches, SDN controllers and overlay/underlay networks.
• Perform acceptance tests and functional validation of new elements and systems.
• Work with monitoring and inventory teams to validate integrations, adjust metrics and ensure full visibility of the environment.
• Document operational routines and troubleshooting procedures and propose continuous improvements to increase operational efficiency.
• Monitor network KPIs and metrics, applying tuning, load balancing and preventive adjustments to avoid congestion, packet loss and bottlenecks.
• Troubleshoot connectivity issues involving VLANs, VXLAN, BGP/EVPN, OSPF; port-channels, VLT/MLAG, STP/ERPS and overlay/underlay architectures.
• Provide technical support for NFVi infrastructure evolution projects, such as upgrades, migrations and integrations.
• Collaborate with technical teams to resolve issues and continuously improve the environments.

NFV & Cloud Operations Engineer – Senior Consultant

• Responsible for managing Cloud Datacenter infrastructure equipment and Network Functions Virtualization (NFV).
• Perform configuration, management and troubleshooting activities in virtualization and container environments (hypervisors, virtual machines, virtualized switches (SDN), physical datastores (LUN) and virtual datastores (vSAN, Ceph and FusionStorage), pods and containers, servers, storage systems, etc.).
• Conduct acceptance testing and functional validation of new elements and systems.
• Work with responsible teams to validate and ensure the operation of integrations with monitoring and inventory tools.
• Document operational procedures and propose improvements to technical processes.
• Monitor performance indicators and adjust configurations to optimize resources and prevent bottlenecks.
• Troubleshoot Linux and Windows Server operating systems (bare metal and virtualized).
• Provide technical support to NFVi infrastructure evolution projects, such as upgrades, migrations and integrations.
• Collaborate with technical teams to resolve issues and continuously improve environments.