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
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Act as a technical point of contact for customers: scoping, updates, and delivery.
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Deliver presentations, training, and debrief sessions.
- Signalling Security Audits (PTA)
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Contribute to audit scoping (objectives, perimeter, constraints, timelines, deliverables).
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Prepare safe execution plans and operational safeguards.
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Execute signalling security audits using PTA and associated tooling in a controlled manner.
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Analyze results, validate findings, and assess exploitability/root cause.
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Draft professional technical reports in English and present findings to customers.
- PTM operations & IT support (ticket management)
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Provide IT support for the PTM IDS in the context of customer ticket workflows.
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Troubleshoot and maintain PTM deployments, including Linux and virtualization layers.
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Operate and improve day-to-day tooling/scripts used for investigations, maintenance, and deployments.
- Collaboration & continuous improvement
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Work closely with Engineering and R&D to improve tooling, detection quality, and operational processes.
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Maintain clear internal documentation and handover notes.
Requirements
Required Skills & Qualifications
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Technical writing (English) : ability to draft professional, structured technical reports and slide decks
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Client communication : strong verbal communication skills for presenting and interacting directly with customers.
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Telecom core & roaming security : solid understanding of telecom core architecture, roaming concepts, and where signalling security fits in real operator environments.
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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.
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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.
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Roaming signalling security : mastery of roaming signalling attacks and call flows.
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Linux / terminal : comfortable using a terminal and basic Linux commands.
- Scripting
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Python : Proficiency in "quick scripting" mode : Ability to develop one-off analysis or testing scripts. No expectations regarding software architecture or code maintainability
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Bash / shell scripting : ability to write and maintain scripts for operational needs.
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Virtualization / operations : experience with Linux + ESXi / VM operations (deployment, troubleshooting, maintenance) is a plus
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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)
Originally posted on Himalayas