Core Network Specialist (Mobile/IMS/4G &5G)

TEKTONIQ Birmingham, England, United Kingdom

Working for our client, a Tier 1 telco, you’ll be at the forefront of ensuring compliance with lawful interception requirements, supporting customers and maintaining the security and integrity of their network.

As part of a small, dedicated team, you’ll provide operational support for lawful interception capabilities, manage fault investigations, and oversee routine maintenance in collaboration with external agencies and vendors.

You’ll also play a key role in integration testing, driving fault resolution, and contributing to exciting new projects that shape the future of services.

Bringing your technical expertise to the table, you’ll work across our IP, broadband, and mobile services, including cutting-edge technologies like 5GSA, 5G, 4G, VoLTE, VoWiFi, WiFi, and SIP.

Role Requirements

• Ability to conduct verification testing for Lawful Intercept for Voice, Packet, IMS, & Broadband services, and new telecommunications technology.
• Perform complex fault analysis and resolution.
• High-level knowledge of GPRS, UMTS, and LTE packet core sessions and signalling, and be proficient in packet capture analysis.
• Must hold or be willing and able to obtain and maintain a security clearance of at least SC level.
• Provide out-of-hours on-call support as part of a structured rota.
• Be an effective communicator with the ability to collaborate across teams, including engaging with senior leadership as required.
• Have exposure to operational monitoring and troubleshooting tools (e.g., Zabbix).
• Knowledge of VMware or related infrastructure.

Seniority level

• Entry level

Employment type

• Full-time

Job function

• Information Technology