Dimitri Economou

Drive on-premises to cloud migrations and multi-cloud network operations, implementing IaC and CI/CD pipelines to automate provisioning and improve deployment reliability across OCI/GCP/AWS/Azure.

Managed data center network operations and projects including Arista spine/leaf deployments, load balancer migrations, firewall and border router administration, and certificate management to maintain high availability.

Executed data center server migration network projects and firewall/load balancer changes, coordinating migrations from bare metal to Cisco ACI and ensuring secure, validated network transitions.

Analyzed application and network performance (RTT, jitter, packet loss, throughput) using Wireshark and OPNET to identify bottlenecks and recommend optimizations that improved service performance.

Performed connectivity troubleshooting, monitoring alarm investigations, IOS upgrades and wireless controller management while implementing ITILv3 change processes to improve team throughput and reliability.

Investigated and resolved RAN issues (GSM/3G/LTE), SS7 routing and voice/data quality incidents, using ticketing and SQL queries to manage large-scale network events and improve mobile service stability.

Handled mobile network fault resolution, coverage and dropped-call investigations, and supported mobile data services and microcell deployments to maintain network performance.

Provided desktop and mobile device support, standardized IT procedures, managed backups and vendor coordination to ensure reliable workstation and warehouse systems operations.

Studied Electronics Engineering with specialisation in Telecommunications and Data Networks; dissertation on computer networks and systems security and practical semester on SONET/SDH optical transmission protocols.