Signalling Security Specialist

About the Role As a Telecom Signalling Security Analyst , you will combine customer-facing delivery with hands-on technical execution in sensitive telecom environments. You will: • Support and operate P1 Security solutions in production contexts (notably PTM and VKB ). • Conduct signalling security audits using proprietary tooling (notably PTA ) and deliver rigorous, professional reports and presentations to customers. This is a profile-focused role: we are looking for someone who can cover both audit delivery and operational support. Our teams are remote-first, with a preference for candidates who can overlap working hours with Central European Time. Tasks Key Responsibilities • Customer delivery & communication • Act as a technical point of contact for customers: scoping, updates, and delivery. • Deliver presentations, training, and debrief sessions. • Signalling Security Audits (PTA) • Contribute to audit scoping (objectives, perimeter, constraints, timelines, deliverables). • Prepare safe execution plans and operational safeguards. • Execute signalling security audits using PTA and associated tooling in a controlled manner. • Analyze results, validate findings, and assess exploitability/root cause. • Draft professional technical reports in English and present findings to customers. • PTM operations & IT support (ticket management) • Provide IT support for the PTM IDS in the context of customer ticket workflows. • Troubleshoot and maintain PTM deployments, including Linux and virtualization layers. • Operate and improve day-to-day tooling/scripts used for investigations, maintenance, and deployments. • Collaboration & continuous improvement • Work closely with Engineering and R&D to improve tooling, detection quality, and operational processes. • Maintain clear internal documentation and handover notes. Requirements Required Skills & Qualifications • Technical writing (English) : ability to draft professional, structured technical reports and slide decks • Client communication : strong verbal communication skills for presenting and interacting directly with customers. • Telecom core & roaming security : solid understanding of telecom core architecture, roaming concepts, and where signalling security fits in real operator environments. • Signalling protocols & call flows (hands-on) : ability to read and reason about SS7/SIGTRAN, Diameter, LTE/IMS and GTP-C call flows, and connect traces/observations to concrete security findings. • Standards-driven audit mindset : familiarity with GSMA Fraud & Security standards (notably FS.11, FS.19, FS.20 ) and ability to translate requirements into test cases, evidence collection, and actionable remediation. • Roaming signalling security : mastery of roaming signalling attacks and call flows. • Linux / terminal : comfortable using a terminal and basic Linux commands. • Scripting • Python : Proficiency in "quick scripting" mode : Ability to develop one-off analysis or testing scripts. No expectations regarding software architecture or code maintainability • Bash / shell scripting : ability to write and maintain scripts for operational needs. • Virtualization / operations : experience with Linux + ESXi / VM operations (deployment, troubleshooting, maintenance) is a plus • Soft skills : customer centered, autonomy, high level of rigor, proactive mindset (ability to propose solutions). Hiring Process • Initial contact call (10–20 minutes) • Call with the hiring manager (30 minutes) • Capability assessment (role-specific exercise) • Final interview with C-Level and directors (30 minutes) Find Jobs in France on Arbeitnow