CareerPlanSign in

Telco Security Expert (f/m/d) @ A1 Competence Delivery Center

София, бул. Черни връх 51 Б, BG🌐 Remote💼 Full-time🗓 2026-09-24 → 2026-09-26

Core

Lead Telco Security architecture for the Group by defining frameworks, assessing complex network technologies, and reducing telecom-specific risks.

Role type

Senior Security Architect (Telecommunications)

Builds

Security frameworks, standards, baselines, guidelines, and architecture principles for 5G, mobile core, fixed networks, and cloud-native Telco platforms.

Domain

Telecommunications / Network Security

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Telco security architecture, 5G/mobile core/FTTH/IP/MPLS/transport networks, secure design principles, technical risk assessment, vulnerability management, threat intelligence analysis, vendor security requirements, regulatory compliance (3GPP, GSMA, ISO 27001, NIS2)

Preferred skills

Penetration testing coordination, security maturity assessment, knowledge sharing across teams

Technologies

5G, mobile core, FTTH, IP/MPLS, transport networks, OSS/BSS, virtualization, cloud-native Telco platforms

Responsibilities

Develop and maintain Group Telco Security framework and standards; Perform security architecture reviews and technical assessments for strategic projects; Identify and assess Telco-specific security risks and vulnerabilities; Define vulnerability management requirements and support remediation planning; Analyze telecom-specific threat intelligence and translate into actionable recommendations; Coordinate specialized Telco penetration testing; Ensure alignment with industry standards and regulatory frameworks; Provide specialist advisory support during security incidents.

Seniority

Senior, hands-on IC with strategic advisory

Sourced via workday · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.