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)
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