Senior Telco Security Technical Delivery Lead (m/f/d)

About the Position

The unique aspect of our business is the mindset of our employees: curious, adventurous, and innovative. P3 consultants take on early responsibilities with clients in management consulting, diverse technology topics, and scalable IT solutions.

Make a project your project. Openness for new, innovative, and unconventional approaches; short decision paths; respectful cooperation; and fruitful synergies make us a diverse, unbeatable team and successful company – worldwide.

Responsibilities

• You lead the technical delivery of complex telecommunications security projects across mobile, fixed, core, IMS, signaling, interconnection, eSIM, APN, and radio access networks.
• You manage end-to-end security assessments covering Air Interface Security, Interconnection Security, VoLTE/VoNR Security, eSIM Security, APN Security Assessments, and security benchmarking engagements.
• You act as the technical lead for customer engagements, defining scope, planning activities, overseeing execution, ensuring quality, and presenting results to technical and executive stakeholders.
• You guide and mentor project teams throughout assessments, ensuring technical consistency, delivery excellence, and adherence to timelines.
• You answer complex customer questions in workshops, project reviews, steering committees, and executive presentations as a recognized telco security expert.
• You design and improve security benchmarking methodologies, assessment frameworks, scoring models, technical runbooks, and testing procedures.
• You develop scripts, tools, and automation capabilities that increase the efficiency, repeatability, and scalability of telecom security services.
• You contribute to product development initiatives, including automated security benchmarking platforms, AI-supported assessment workflows, and reporting automation.
• You perform and oversee protocol-level analysis, vulnerability validation, attack simulations, configuration reviews, and risk assessments across 2G, 3G, 4G, and 5G environments.
• You translate complex technical findings into clear, actionable recommendations for engineers, architects, management teams, and customer decision makers.
• You help shape the future of telecom security services by driving innovation, technical excellence, and the evolution of our security portfolio.

Requirements

• Several years of hands-on experience in telecommunications security, mobile network security, core network security, radio access security, interconnection security, or related technical security domains.
• Strong end-to-end understanding of mobile technologies from 2G to 5G, including radio access, core network, IMS, roaming, interconnect, APN, eSIM, and service-layer architectures.
• Deep knowledge of telecom network architecture across both radio access networks (2G, 3G, 4G, and 5G) and core network domains (voice, data, IMS, and 5G Standalone).
• Proficiency in telecom signaling and core network protocols such as SS7, Diameter, GTP, SIP/IMS, 5G SBI, NAS, RRC, PDCP, and Layer 3 radio messaging.
• Practical experience with VoLTE, VoNR, IMS security, APN security assessments, eSIM security, air interface testing, interconnection security testing, and protocol-level vulnerability analysis.
• Familiarity with relevant industry standards, specifications, and regulatory frameworks, including 3GPP, GSMA, ETSI, NIS2, and DORA.
• Experience with security benchmarking, scoring methodologies, maturity assessments, technical KPIs, and structured risk evaluations in telecommunications environments.
• Ability to develop scripts, testing tools, automation frameworks, data processing utilities, technical dashboards, or productized assessment capabilities to improve delivery quality and efficiency.
• Experience with AI security, AI-supported security testing, AI-assisted automation, or the secure design and validation of AI-based security solutions is a strong advantage.
• Excellent English communication skills; German language skills are a plus.

We Offer

• Highly technical and strategic security projects with leading telecommunications customers.
• The opportunity to shape and further develop P3’s telco security and automated benchmarking portfolio.
• A role with strong technical ownership, customer visibility, and project leadership responsibility.
• Flexible working models and a modern, international project environment.
• Individual training and development opportunities.
• Attractive compensation and benefits.

Your Move

Think this role is for you? Then let’s talk. Apply now and tell us what drives you - we care more about how you think than about ticking every box.

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