Global Telecom Security Trainer - Onsite Freelance Missions

P1 Security; Paris; On-site; EUR 111,000 - 166,000; Part time

Job summary

P1 Security seeks an experienced Freelance Telecom Security Trainer to deliver high-impact, onsite technical training for mobile network operators, regulators, and enterprise clients worldwide. You will adapt established course content and practical labs, helping SOC teams understand protocol vulnerabilities and defenses.

You will travel internationally for short-term engagements, typically around five days per mission, and showcase strong facilitation and classroom skills.

Qualifications

• Deep telecom security expertise in SS7/SIGTRAN, LTE/Diameter, GTP-C, IMS/SIP and 5G SBA.
• Proven experience delivering technical training or hands-on instruction to engineering or SOC teams.
• Willingness to travel internationally for short-term onsite engagements (typically around five days).

Responsibilities

• Deliver multi-day onsite technical workshops worldwide, adapting your approach to participants' technical backgrounds and learning objectives.
• Prepare for each mission by reviewing the course scope, audience prerequisites, learning objectives, and practical lab requirements with the P1 Security team.
• Adapt existing online curriculum, presentations, exercises, and lab materials for engaging live classroom delivery.
• Explain signaling flows, trust boundaries, protocol vulnerabilities, attack scenarios, and defensive controls clearly and accurately.
• Facilitate hands‑on exercises in authorized, controlled lab environments and help participants troubleshoot technical issues.
• Answer participant questions on telecom security, including detection, mitigation, and operational defense strategies.
• Check participants' understanding through practical exercises, discussion, and knowledge checks.
• Coordinate classroom and lab readiness with P1 Security and the client before delivery.
• Gather participant feedback and share recommendations to improve content and delivery.
• Respect client confidentiality, intellectual property, and agreed rules of engagement throughout each mission.

Skills

Telecom security

SS7/SIGTRAN

LTE/Diameter

GTP-C

IMS/SIP

5G SBA

Public speaking

Wireshark

Linux

Tools

Wireshark

Linux

Job description

P1 Security seeks an experienced Freelance Telecom Security Trainer to deliver high-impact, onsite technical training for mobile network operators, regulators, and enterprise clients worldwide. You will adapt established course content and practical labs, helping SOC teams understand protocol vulnerabilities and defenses.

You will travel internationally for short-term engagements, typically around five days per mission, and showcase strong facilitation and classroom skills.