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Signalling Security Specialist

P1 Security

Location
Remote (FR)
Workplace
Remote
Job type
Full-time
Posted
Yesterday
Source
Arbeitnow
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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

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