Bastion Talent is retained by a specialist telecom and mobile-network security firm to fill this role. Our client works with mobile operators, governments and large enterprises to secure critical network infrastructure. The client’s identity is shared with shortlisted candidates under NDA.
The role
Conduct security assessments and penetration testing across telecom network infrastructure, and help design and deploy secure telecom systems.
Key responsibilities
- Deep, hands-on work across SS7, SIGTRAN, Diameter, LTE, IMS and GTP-C and their security weaknesses.
- Run security assessments and penetration tests on telecom network infrastructure.
- Develop and implement defensive solutions against network attacks and intrusions.
- Collaborate across teams to design and deploy secure telecom systems.
- Stay current with telecom security research, tooling and techniques.
What we’re looking for
- Strong understanding of telecom network architecture and protocols.
- Demonstrated mastery of SS7, Diameter, LTE and IMS.
- Experience running security assessments and penetration tests.
- Knowledge of telecom security best practice and standards.
- Excellent analytical and communication skills.
- Fluent English (mandatory); French optional.
Environment & specialisations
VoLTE, VoWiFi, GTP, NFV(i), S1AP, X2AP, NGAP, PFCP, 5GC SBI and fuzzing; OpenStack / Kubernetes / Linux server exposure a plus.
Hiring process
- Intro call (10–20 min)
- Manager call (30 min)
- Capability exercise
- Leadership call (30 min)