Telecom Core Security Engineer

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).

About Accenture

Accenture is a leading global professional services company that helps the world’s leading businesses, governments and other organizations build their digital core, optimize their operations, accelerate revenue growth and enhance citizen services—creating tangible value at speed and scale. We are a talent- and innovation-led company with approximately 791,000 people serving clients in more than 120 countries. Technology is at the core of change today, and we are one of the world’s leaders in helping drive that change, with strong ecosystem relationships. We combine our strength in technology and leadership in cloud, data and AI with unmatched industry experience, functional expertise and global delivery capability. Our broad range of services, solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Song, together with our culture of shared success and commitment to creating 360° value, enable us to help our clients reinvent and build trusted, lasting relationships. We measure our success by the 360° value we create for our clients, each other, our shareholders, partners and communities.Visit us at www.accenture.com 

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