NetOps Engineer

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.

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.

Knowledge and skills

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.

Understanding of Networking Concepts and Network Architectures using Routers, Switches, Firewalls and load balancer.

Technical knowledge

Protocols :

Diameter LTE Signalling (S6a, S5, S8)

RADIUS

Diameter Gy / Gx

GTP v1 / v2

SIGTRAN

SCCP

TCP / IP

DHCP

Technology area :

IP Routing and switching (Layer 2 & 3)

BGP routing protocol

IPSEC VPN

Wireshark traces

Firewall

Platforms :

Linux O / S

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

Degree in Computer Science, Telecommunications or related field.

Experience in telecom network operations (IP, LTE / 5G, roaming).

Hands-on knowledge of IP networking, routing (BGP), VLANs, VPNs.

Familiar with protocols : Diameter, GTP, RADIUS, SIGTRAN, TCP / IP.

Skilled with Linux, MySQL / Postgres, Docker, VMware, AWS / Azure.

Strong analytical and documentation skills.

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 o private transport, or Sevilla Center.

We are an equal opportunity employer! We promote diversity in all its forms and create an inclusive work environment, free from prejudice, discrimination and harassment, in which all employees feel a sense of belonging. We warmly welcome all applications regardless of gender, age, race or ethnic origin, social and cultural background, religion, disability and sexual orientation.

HR Team Spain $$ $$ $$$$

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