Giesecke+Devrient is a general company that offers security technologies, both in the physical and digital world. Every day, billions of people benefit from G+D innovations in their personal and business lives. We develop, manufacture, and distribute products and solutions for the safeguarding of payment processes, identities, connectivity, and data.

At G+D Mobile Security, a world leader in secure telecommunications systems, we are looking for a NetOps Engineer to join our Network Operations team. You’ll deploy and support mobile core and IP network services, ensuring availability and performance across critical infrastructures. You will be responsible for the day to day running of G+D's network, and to support the company with new customer projects, network deployments and network troubleshooting.

Responsibilities:

• 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.

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.

Technical knowledge

Protocols:

• 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

📌 NetOps Engineer (Sant Joan Despí)
🏢 Giesecke+Devrient
📍 Sant Joan Despí