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Telecom security trainer

P1 Security
Contract type
Freelance
Work mode
On-site
Experience
3 years

Job description

A freelance trainer role delivering multi-day onsite technical workshops on telecom security to mobile network operators, regulators and enterprise clients worldwide, on a per-mission basis.

At a glance

Employment
Freelance · Independent contractor
Work mode
On-site
Languages
English – fluent

What you'll do

  • 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 course content and delivery.
  • Respect client confidentiality, intellectual property, and agreed rules of engagement throughout each mission.

What we're looking for

  • Deep telecom security expertise in one or more of the following domains: SS7 / SIGTRAN (MAP/CAP signaling, common abuse scenarios, and signaling security controls), LTE / Diameter (S6a, Gx, and Gy interfaces, protocol vulnerabilities, and defensive measures), GTP-C (versions 1 and 2, control-plane procedures, security risks, and mitigation strategies), IMS / SIP (signaling fundamentals, protocol w
  • Proven experience delivering technical training, workshops, or hands-on instruction to engineering or SOC teams.
  • Ability to explain complex technical concepts, manage classroom discussion, and adapt to mixed levels of experience.
  • Practical experience analyzing telecom signaling traces and using packet-analysis tools such as Wireshark.
  • Confidence working with Linux-based lab environments and troubleshooting connectivity or exercise issues.
  • Professional preparation, reliable delivery, and clear communication with clients and the P1 Security team.
  • Willingness and ability to travel internationally for short-term onsite engagements: typically around five days per mission including travel, with some engagements requiring up to two weeks onsite.
  • Fluent professional English, with the ability to deliver technical instruction and facilitate discussions.

Nice to have

  • Experience in telecom security consulting, penetration testing, incident response, signaling monitoring, or mobile core network operations.
  • Familiarity with 3GPP security specifications and relevant GSMA signaling security guidance.
  • Experience with signaling firewalls, roaming and interconnect security, or telecom threat detection.
  • Experience adapting digital learning content into instructor-led courses and practical exercises.
  • Familiarity with virtualized or containerized lab environments and scripting for lab preparation.
  • Experience teaching international audiences or working across different cultural and organizational contexts.
  • Additional languages are a plus, including French.

How to get hired

  1. 1First contact call (10-20min)
  2. 2Direct manager call (30min)
  3. 3Capability assessment exercice (depending on position)
  4. 4C-level & Director call (30 min)

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About P1 Security

P1 Security provides services and technologies to identify, detect, and recover from critical threats and vulnerabilities in mobile networks. Its team includes telecom operators, security professionals, and researchers who regularly share cutting-edge work at international security conferences and GSMA working groups. P1 Labs, its R&D branch, also shares open-source initiatives with the telecom security community.

Mission

To secure critical and sovereign mobile networks by providing services and technologies to identify, detect, and recover from critical threats and vulnerabilities.

Key facts

  • 2011
  • Paris, France
  • Cybersecurity
  • Founded in 2011
  • P1 Labs is the R&D branch
  • Team includes telecom operators, security professionals, and researchers
  • Shares open-source initiatives with the telecom security community on GitHub