Giesecke+Devrient

is a global 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 elevate 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 knowledgeProtocols:

Diameter LTE Signalling (S6a, S5, S8)

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:

MySQL and Postgres databases

Virtualisation & Containerisation technologies, including Cloud (AWS, Azure),VMware, Docker

DRA/STP, HSS/HLR, P-GW, OCS and PCRF platforms

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.

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.

Integral Collaboration:

Work collaboratively with stakeholders around the globe.

Career Development:

Benefit from continuous training, coaching, and talent development programs.

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).

Privacy Notice The personal data you provide will be processed to manage your application in accordance with the GDPR and our Privacy Policy, available at Data Privacy | G+D.

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📌 NetOps Engineer (Madrid)
🏢 Giesecke+Devrient
📍 Madrid