Senior Roaming Ops Engineer – Hybrid Lisbon

iTRTech Group; Lisboa; Hybrid; EUR 22.320 - 25.668; Vollzeit

Zusammenfassung

iTRTech Group in Portugal is seeking a Roaming Operations Engineer L2 for a hybrid role in Lisbon. You will act as the technical escalation point for international roaming, ensuring service stability across global networks.

The role requires 6+ years of Mobile Core/Roaming experience, strong incident management, and fluent Spanish and English (B2). Hybrid: 2 days on-site in Lisbon, with occasional out-of-hours support.

Qualifikationen

• Bachelor's degree in Telecommunications, Computer Science, Networking, or a related field.
• Minimum 6 years of experience in Mobile Core, Roaming Operations, Network Support, or Telecommunications Engineering.
• Strong experience troubleshooting complex telecommunications environments.
• Professional communication skills in Spanish and English (minimum B2).
• Excellent analytical thinking and problem-solving abilities.

Aufgaben

• Analyze and resolve complex incidents escalated from the L1 support team.
• Perform advanced troubleshooting across Mobile Core and International Roaming platforms.
• Conduct detailed Root Cause Analysis (RCA) and implement corrective and preventive actions.
• Coordinate incident resolution with international operators, equipment vendors, and technology partners.
• Lead technical activities during major incidents and high-impact service disruptions.
• Support change implementations, maintenance windows, and operational validations.
• Produce technical documentation, operational procedures, and post-incident reports.
• Mentor and support the technical development of L1 teams.
• Identify automation opportunities and operational improvements.
• Participate in network evolution and operational transformation initiatives.

Kenntnisse

Spanish & English (B2) communication

Analytical thinking

Problem solving

Technical leadership

Incident leadership

Ausbildung

Bachelor's degree in Telecommunications/CS/Networking

Tools

LTE Roaming

VoLTE Roaming

VoWiFi Roaming

5G Roaming

IMS

IPX

SS7

SIGTRAN

Diameter

SIP

HLR

HSS

UDM

UDR

EIR

DNS

AAA

LDAP

STP

DRA/DRS

SBC

Roaming Hub

SS7 Firewall

Diameter Firewall

SeGW

Jobbeschreibung

iTRTech Group in Portugal is seeking a Roaming Operations Engineer L2 for a hybrid role in Lisbon. You will act as the technical escalation point for international roaming, ensuring service stability across global networks.

The role requires 6+ years of Mobile Core/Roaming experience, strong incident management, and fluent Spanish and English (B2). Hybrid: 2 days on-site in Lisbon, with occasional out-of-hours support.