CELFINET is a global provider of unique cellular networks’ management solutions. With a fast pace growing business, we are reinforcing our CORE team!

Responsibilities:

· Mobile Packet Core network (5 GC/EPC/PS) 3-year experienced engineer;

· Understanding of Telecom & IT Network Technologies;

· Familiar with 3 GPP documentation and 3 G/4 G/5 G message flows;

· Familiar with EPC/PS network architecture and connectivity to other elements;

· Knowledgeable of Packet Core protocols (e.g.: S1 AP/NAS, DNS, GTP, Diameter, Radius,

HTTP);

· Knowledgeable of the Vo LTE solution;

· Hands on experience working with AMF/MME/SGSN and UPF/S-GW/P-GW/GGSN;

· Understanding of 5 G NSA core solution;

· Knowledgeable of virtualization concepts and environments (NFV/v EPC, Hypervisor,

VMware, Openstack, VIM);

· KPI analysis, Optimization and troubleshooting experience;

· Preferable knowledge in DNS, AAA and PCRF;

· Preferable knowledge in OSS and tracing tools (e.g.: U2000, Net Act, Wireshark);

· Preferable vendors experience: Mavenir / Huawei / Ericsson / Nokia;

Qualifications:

· Electronics/Telecommunications/Computer Engineering BSc or MSc degree;

· Certifications from Ericsson, Huawei, Nokia, or Cisco are a plus;

· Location: Portugal, Lisbon

· Customer experience in Telecom operators

· Excellent verbal and written communication skills (Portuguese and English)

· Ability to plan, organize and prioritize the responsibilities.

· Good team player and with highly proactive skills

What we have to offer:

• Unique opportunity to work in an international company;

• Be part of a highly skilled technology-driven team, eager to lead through creativity and innovation;

• The opportunity to work in challenging projects with the most demanding and technologically advanced telecom operators in the world;

• Access to the most recent technologies and methodologies;

• Knowledge-sharing corporate culture;

CELFINET offers the opportunity to work in a uniquely challenging environment within a highly motivated team. Submit today your application to Join Us@celfinet.com if you are the candidate we are looking for!