Security Engineer – Telecommunications

This role focuses on protecting the technology behind telecom services, from network infrastructure to cloud-based platforms. You’ll investigate threats, assess vulnerabilities and work with technical teams to reduce exposure across the environment. You’ll also contribute to security reviews, helping ensure that planned changes are delivered with appropriate safeguards.

What you’ll do

• Design, implement and maintain security controls across network and IT environments.
• Monitor security alerts, investigate incidents and coordinate response and recovery.
• Assess vulnerabilities and misconfigurations, then work with technical teams to remediate them.
• Secure network infrastructure, cloud platforms and virtualised or containerised workloads.
• Support security reviews for network changes, new technologies and third-party integrations.
• Maintain clear security documentation and contribute to ongoing improvement of controls.

What you’ll bring

• Professional experience in cybersecurity, network security or infrastructure security.
• Strong understanding of network protocols, segmentation, firewalls, VPNs and IDS/IPS.
• Experience with SIEM tools and security incident investigation.
• Familiarity with Linux systems, identity and access management, and vulnerability management.
• Understanding of telecom network environments, including 4G or 5G architecture.
• Scripting skills in Python, Bash or a similar language.
• Ability to communicate security risks clearly and work effectively with engineering and operations teams.

Useful additions

• Experience with 5G Core, RAN security, NFV or SDN environments.
• Familiarity with cloud security, Kubernetes and container security.
• Experience with SOAR, threat intelligence or penetration testing.
• Certifications such as CISSP, CCSP, Security+, or vendor-specific network security qualifications.