Marco Arturo Ramirez Moreno

Responsible for Ericsson Multi-Mediation solution for T-Mobile USA

The main responsibilities are:

• Proactively monitor and resolve clients' technical challenges, ensuring timely solutions, preventive strategies, and comprehensive root cause analysis.
• Architect and implement advanced Ansible automation workflows to drive seamless, scalable issue resolution processes.
• Expertly diagnose and resolve both application-level and Kubernetes infrastructure issues, ensuring high availability and performance.
• Conduct in-depth network diagnostics using Wireshark to swiftly address and mitigate communication failures with external systems.
• Oversee the integrity of backup systems and design automated alert mechanisms to ensure system stability and continuity.
• Collaborate closely with development teams to track, escalate, and resolve critical platform bugs, enhancing overall system reliability.

Responsible for managing the IT infrastructure for Riege software, providing comprehensive support and reporting services to internal branches in Germany, the Netherlands, and the USA.

Key responsibilities include the installation, maintenance, and troubleshooting of the following technologies:

• Red Hat Enterprise Linux (versions 5, 6, and 7)
• Red Hat Virtualization
• Red Hat Satellite (versions 5 and 6)
• Firewall configuration and management
• IPSec tunnel setup and configuration
• Bareos backup solutions
• Nagios monitoring systems
• Network protocols (DHCP, DNS, NTP, FTP)
• Logical Volume Management (LVM)

TAC Engineer specialized in several Huawei telecommunications products such as SCG. WAPGW, MMSC and SMSC, along with the technology where they are implemented. The main responsibilities were the following ones:

• Conducted root cause analysis for recurring issues to implement corrective measures that prevented future occurrences.
• Strengthened relationships with clients through regular follow-ups and timely resolution of issues.
• Developed comprehensive training materials to improve new hire onboarding and ongoing professional development.
• Delivered exceptional customer service by promptly addressing client concerns and providing accurate solutions.
• Reduced downtime for clients by swiftly identifying and resolving network problems.