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
- SIP
- TCP/IP
- DNS
- 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, 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 $$ [email protected] $$ $$ $$ https://career5.successfactors.eu/career?company=gieseckede&career_job_req_id=25535&career_ns=job_application