Hamza Kheroubi

Led a 20-engineer telecom unit with approximately EUR 3M in annual revenue, aligning staffing, delivery quality and client priorities. Managed technical service agreements and vendor relationships, and guided strategic accounts through delivery and operational improvement.

Managed and coached eight engineers through regular feedback, mentoring, training, assignment reviews and escalation support. Led investigations into complex service failures, reviewed QoS and operational KPIs, and produced HLD, LLD and run procedures.

Audited and stabilized a messaging platform, analysed signaling flows and incidents, and developed scripts for operational statistics. Coordinated client and supplier actions, documented recommendations and automated gateway configuration activities.

Resolved complex production issues across PGW, GGSN, Radius, DNS, proxy and VPN gateway services; monitored performance and KPIs. Authored architecture, troubleshooting and operating documentation for Run and support teams.

Investigated critical incidents, coordinated roaming validation and managed production changes across core-network platforms.

Delivered GSM, UMTS and LTE core-network upgrades, assessed operational risks and integrated monitoring platforms.

Forecast capacity needs, created internal automation tools and improved voice and data network architecture.

Monitored network nodes and traffic, diagnosed anomalies, coordinated escalations and produced detailed operational reports.

Engineering degree in Operations Research from USTHB, Algiers, from 2003 to 2009.