Signalling Security Specialist

P1 Security; United States; À distance; USD 120 000 - 180 000; Plein temps

Résumé du poste

P1 Security is seeking a Telecom Signalling Security Analyst to blend customer-facing delivery with hands-on technical work in sensitive telecom environments. You will support and operate P1 Security solutions in production contexts and conduct signalling security audits using PTA tooling.

The role is profile-focused, combining audit delivery with operational support; we value candidates who can collaborate with Engineering and R&D, produce clear reports in English, and overlap working hours

Qualifications

• Ability to draft professional, structured technical reports and slide decks.
• Strong verbal communication skills for presenting to customers.
• Solid understanding of telecom core roaming security.
• Ability to read and reason about SS7/SIGTRAN, Diameter, LTE/IMS and GTP-C call flows.
• Familiarity with GSMA Fraud Security standards (FS.11, FS.19, FS.20).
• Mastery of roaming signalling attacks and call flows.
• Comfortable using a Linux terminal and basic commands.
• Proficiency in scripting for quick analysis or testing.
• Python proficiency for rapid one-off analyses.

Responsabilités

• Act as a technical point of contact for customers: scoping, updates, and delivery.
• Deliver presentations, training, and debrief sessions with customers.
• Contribute to audit scoping, objectives, timelines, and deliverables (PTA).
• Prepare safe execution plans and operational safeguards.
• Execute signalling security audits using PTA and tooling in a controlled manner.
• Draft professional technical reports in English and present findings to customers.
• Provide IT support for PTM IDS in ticket workflows and resolve deployments.

Connaissances

Technical writing

Client communication

Signalling core roaming security

Signalling protocols understanding

Standards-driven audit mindset

Roaming signalling security

Linux / terminal

Scripting

Python

Outils

PTA tooling

PTM IDS

Linux shell

Virtualization

Trace analysis tooling

Description du poste

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 maint