Telecom Core Security Engineer

Accenture Portugal; Lisboa; Presencial; EUR 55 000 - 85 000; Tempo integral

Resumo da oferta

Accenture Portugal is seeking a Telecom Core Security Engineer to support cybersecurity and transformation initiatives for mobile network operators. The role requires expertise in core network architectures, 2G-5G, and security-focused design and risk mitigation.

You will analyze network designs, perform security assessments, and collaborate with SOC teams and clients to secure 4G/5G deployments and interconnects while traveling as needed.

Qualificações

• Minimum 3 years of experience in telecom core engineering.
• Experience with 2G/3G/4G/5G core networks and signaling flows.
• Knowledge of SS7, Diameter, GTP, SIP/IMS, 5G SBI.
• Understanding roaming and interconnect concepts.
• Familiarity with telecom security principles and countermeasures.
• Willingness to travel and work with operators or vendors.
• Exposure to Signalling Firewalls, SEPP, Fraud Management, and Lawful Interception.
• Knowledge of GSMA security standards and NIS2/TSA implications.
• Fluent in Portuguese and English (written and spoken).

Responsabilidades

• Provide technical expertise on mobile core network architectures.
• Support security assessments of telecom networks and services.
• Analyze network designs and identify security risks affecting telecom infrastructures.
• Support troubleshooting and investigations involving mobile network protocols.
• Participate in transformation and modernization initiatives for 4G/5G.
• Collaborate with security consultants, SOC teams, and client stakeholders.
• Contribute to telecom security reviews and recommendations.

Conhecimentos

Telecom Core

Security Assessments

5G Core

Signalling Protocols

Roaming Interconnect

Security Architecture

Mobility Travel

GSMA Standards

Signalling Firewalls

Lawful Interception

Descrição da oferta de emprego

Job Description

We are seeking a Telecom Core Security Engineer to support cybersecurity and transformation initiatives for mobile network operators. The ideal candidate will bring strong expertise in telecom core network architectures, protocols, and operational environments from legacy mobile networks through to 5G Standalone deployments. This role will support cybersecurity engagements focused on securing modern telecommunications infrastructures.

Key Responsibilities

• Provide technical expertise on mobile core network architectures.
• Support security assessments of telecom networks and services.
• Analyze network designs and identify security risks affecting telecom infrastructures.
• Support troubleshooting and technical investigations involving mobile network protocols.
• Participate in transformation and modernization initiatives involving 4G and 5G networks.
• Collaborate with security consultants, SOC teams, and client stakeholders.
• Contribute to telecom security architecture reviews and recommendations.

Job Qualifications

• Minimum 3 years of experience in telecom core engineering.
• Understanding of telecom architecture on radio (2G, 3G, 4G and 5G) and core (voice, data, IMS, 5G SA). Experience in voice and/or data core networks and communication flows.
• Knowledge of telecom signaling and core protocols including: SS7, Diameter, GTP, SIP/IMS, 5G SBI
• Understanding of roaming and interconnect concepts.
• Understanding of telecommunications security principles and solutions applied to prevent and detect risks.
• Mobility and willingness to travel.
• Experience with mobile operators or telecom vendors.
• Exposure to telecom security technologies such as: Signalling Firewalls; SEPP; Fraud Management; Telecom Threat Detection & Lawful Interception
• Knowledge of GSMA security standards and security requirements applied to telcos (eg, NIS2, TSA)
• Experience supporting security audits or risk assessments.
• Fluent in Portuguese and English (written and spoken).