• Operate and maintain IP and mobile packet core networks.
• Manage incidents, service requests, changes and problems.
• Support customer projects, deployments, and network integration.
• Conduct troubleshooting and escalate to R&D when required.
• Maintain accurate documentation and ensure SLA compliance.
• Collaborate with NOC and cross-functional teams globally.
• Support reporting, monitoring, and service improvement efforts.

Desirable

• Understanding of mobile roaming architecture including the role of serving networks, signalling interconnect and GRX / IPX providers
• Knowledge of 2G / 3G networking, 4G LTE and 5G technologies
• Experience of working with a range of telecoms technologies
• Understanding / experience of GRX and IPX networks
• Technical knowledge of maintaining on-premises equipment and cloud services in areas such as virtual machines, storage, network and security.
• Experience in deploying and maintaining production infrastructure to achieve high levels of uptime and reliability.

Technical knowledgeProtocols:

• Diameter LTE Signalling (S6a, S5, S8)
• RADIUS
• Diameter Gy/Gx
• GTP v1/v2
• SIGTRAN
• SCCP
• SIP

Technology area:

• IP Routing and switching (Layer 2 & 3)
• BGP routing protocol
• IPSEC VPN
• Wireshark traces

Platforms:

• Linux O/S: Centos especially.
• MySQL and Postgres databases
• Virtualisation & Containerisation technologies, including Cloud (AWS, Azure),VMware, Docker
• DRA/STP, HSS/HLR, P-GW, OCS and PCRF platforms

Your profile

• Formal telecoms/electronic or IP Network qualifications or equivalent experience gained through previous roles.
• Solid understanding with practical hands on experience of IP networks, VLANs and routing fundamentals.
• High level of English is mandatory.

What’s great about working with us:

• Culture and diversity: Join a people oriented environment with different nationalities and a great team spirit, flat hierarchies (everyone speaks to everyone). Equal Opportunity Employer and LGBT+ friendly.
• Global Collaboration: Work collaboratively with stakeholders around the globe.
• Career Development: Benefit from continuous training, coaching, and talent development programs.
• Social Benefits: flexible compensation (transport tickets, training, private insurance), etc.
• Work-Life Balance: Flexible working hours with the option for remote work (M-Th 8.30 – 17.30 and Fri 8.30 – 15.30; 3 days of remote work).
• Location: Sant Joan Despí (Barcelona), easy communication by public transport.