Mobile Packet Core Engineer

Giesecke & Devrient GmbH; Sant Joan Despí; Hybrid; EUR 60,000 - 80,000; Full time

Benefits offered by this job

Culture & diversity

Global collaboration

Career development

Work-life balance

Job summary

Giesecke+Devrient Mobile Security TCD Iberia S.L. in Sant Joan Despí, Spain, seeks a NetOps Engineer to join the Network Operations team. You’ll deploy and support mobile core and IP network services to ensure high availability and performance across critical infrastructures.

You’ll work with NOC and cross‑functional teams, handle incidents, deploy new projects, and contribute to continuous improvement. English proficiency is mandatory, with a hybrid work option available.

Qualifications

• 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.

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.

Skills

IP networks

VLANs

Routing fundamentals

English

Education

Telecoms/electronic or IP Network qualifications

Tools

Docker

VMware

Cloud (AWS, Azure)

Wireshark

Job description

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My team is shaping the future of IoT security.

Mobile Packet Core Engineer

Location: Sant Joan Despí (BCN), ES

G+D makes the lives of billions of people around the world more secure. We create trust in the digital age with integrated security technologies in three business areas: Digital Security, Financial Platforms and Currency Technology. We have been a reliable partner for our customers for over 170 years with our innovative solutions for SecurityTech! We are an international technology group and traditional family business with over 14,000 employees in 40 countries. Creating Confidence is our path to success. Trust is the basis of our co-operation within G+D.

We are the reliable partner for all challenges resulting from the Internet of Things. We offer a complete connectivity portfolio for mobile network operators, automotive manufacturers, technology companies such as chip and module manufacturers as well as transport and logistics providers. Our portfolio includes highly secure solutions in the area of connectivity & IoT, from classic SIM, eSIM and iSIM, to the associated embedded operating systems and life cycle management, through to services for global connectivity and IoT solutions. Do you want to actively shape the digital transformation with us?

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.

AtG+D Mobile Security, a world leader in secure telecommunications systems, we are looking for aNetOps 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 knowledge

Protocols:

• 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.
• Global 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 .

$$ 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.

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.

Giesecke + Devrient Mobile Security TCD Iberia S.L.