[Hiring] Signalling Security Specialist @P1 Security

Role Description

As a Telecom Signalling Security Analyst, you will combine customer-facing delivery with hands-on technical execution in sensitive telecom environments.

• 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.

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).

Requirements

• 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).