Roaming Operations Engineer L2

Capgemini Engineering; Lisboa; Hybrid; EUR 40,000 - 64,000; Full time

Benefits offered by this job

Hybrid work

Training and certifications

Health and life insurance

Referral program with bonuses

Great office locations

Job summary

Capgemini Engineering in Lisbon is seeking a Roaming Operations Engineer L2 to join the Core & Roaming Operations team. You will take responsibility for advanced analysis, diagnosis, and resolution of complex incidents affecting International Roaming services.

You will act as the technical escalation point for the L1 team, coordinate with operators, vendors, and engineering groups, and contribute to ongoing process improvements and automation initiatives.

Qualifications

• Bachelor’s degree in Telecommunications, Networking, CS, or related field.
• Experience in operations, support, or engineering of Mobile Core and Roaming networks.
• Strong troubleshooting skills in telecom environments.
• Effective communication in Spanish and English.
• Strong analytical and problem-solving abilities.
• Excellent ownership and responsibility.
• Technical leadership capabilities.
• Cross-functional coordination and clear communication.
• Decision-making in critical environments.
• Service quality and customer experience oriented.

Responsibilities

• Analyze and resolve complex incidents escalated by the L1 team.
• Perform advanced troubleshooting of roaming platforms and services.
• Conduct RCA and define corrective actions.
• Coordinate incident resolution with international operators, suppliers, and equipment vendors.
• Provide technical leadership during high-impact incidents.
• Support change implementations and maintenance activities.
• Produce post-incident reports and procedures.
• Train and mentor L1 teams.
• Identify automation opportunities and process improvements.
• Participate in technology evolution and transformation projects.

Skills

Roaming Operations

Mobile Core

Troubleshooting

Technical Leadership

Cross-functional Coordination

Multilingual Communication

Problem Solving

Ownership

Incident Management

Automation & Improvement

Education

Bachelor's degree in Telecommunications, Networking, CS, or related field

Tools

ITSM platforms

Observability tools

Job description

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life‑saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

Your Role

We are looking for a Roaming Operations Engineer L2 to join the Core & Roaming Operations team, taking responsibility for the advanced analysis, diagnosis, and resolution of complex incidents related to International Roaming services.

This role plays a key part in ensuring service stability, acting as the technical escalation point for the L1 team, coordinating activities with vendors, international operators, and engineering teams, while contributing to the continuous improvement of operational processes.

Key Responsibilities

• Analyze and resolve complex incidents escalated by the L1 team.
• Perform advanced troubleshooting of international roaming platforms and services.
• Conduct Root Cause Analysis (RCA) and define corrective and preventive actions.
• Coordinate incident resolution with international operators, suppliers, and equipment vendors.
• Provide technical leadership during high‑impact situations and critical incidents.
• Support and validate change implementations, planned works, and maintenance activities.
• Produce technical documentation, operational procedures, and post‑incident reports.
• Support the training and technical development of L1 teams.
• Identify automation and operational optimisation opportunities.
• Participate in technology evolution and operational transformation projects.

Your Profile

• Bachelor's degree in Telecommunications, Networking, Computer Science, or a related field
• Experience in operations, support, or engineering of Mobile Core and Roaming networks
• Strong troubleshooting skills within telecommunications environments
• Ability to communicate effectively in Spanish and English in a technical environment
• Strong analytical and problem‑solving skills
• Strong sense of responsibility and ownership
• Technical leadership capabilities
• Excellent communication and cross‑functional coordination skills
• Decision‑making ability in critical environments
• Service quality and customer experience orientation
• Proactive mindset and commitment to continuous improvement
• Ability to work both independently and collaboratively
• Preferred Knowledge:
  • Roaming & Mobile Core
  • LTE Roaming
  • VoLTE Roaming
  • VoWiFi Roaming
  • 5G Roaming
  • IMS
  • IPX
  • Interworking and interoperability between international operators
  • Signaling Protocols
  • SS7
  • SIGTRAN
  • Diameter
  • SIP
  • Subscriber & Authentication Platforms
  • HLR
  • HSS
  • UDM
  • UDR
  • EIR
  • DNS
  • AAA
  • LDAP
  • Interconnection Platforms
  • STP
  • DRA / DRS
  • SBC
  • Roaming Hub
  • SS7 Firewall
  • Diameter Firewall
  • SeGW (Security Gateway)
  • Operations & Service Assurance
  • Critical incident management
  • Root Cause Analysis (RCA)
  • Problem management and continuous improvement
  • Change management
  • Monitoring of KPIs and operational SLAs
  • ITSM platforms and observability tools

What You’ll Love About Working Here

• Join a multicultural and inclusive team environment.
• Enjoy a supportive atmosphere promoting work‑life balance.
• Engage in exciting national and international projects.
• Hybrid work.
• Your career growth is central to our mission. Our array of career growth programs and diverse professionals are crafted to support you in exploring a world of opportunities.
• Training and certifications programs.
• Health and life insurance.
• Referral program with bonuses for talent recommendations.
• Great office locations.