Senior Cyber Solution Architect - Telco

Role overview

Responsibilities

• Design end-to-end security architectures across cloud and telecom domains, including SIM/eSIM, RAN, transport, EPC and 5G Core, IMS, MCx, OSS, and BSS.
• Develop security frameworks aligned with standards such as 3GPP, GSMA, ETSI, NIST, and ISO 27001, applying Zero Trust, Defense in Depth, and Adaptive Security.
• Conduct risk assessments and threat modeling; advise on risks, vulnerabilities, and incidents.
• Assess, recommend, and validate firewalls, IDS/IPS, PKI, HSM, PAM, EDR, SIEM, and SOAR solutions.
• Maintain architecture documents, HLDs, LLDs, diagrams, guidelines, and training materials.
• Lead collaboration with solution architects and integration teams to ensure secure deployments.
• Present and lead customer and executive workshops as a telecom cybersecurity technical authority.

Requirements

• At least 12 years of cybersecurity experience, including at least 5 years focused on telecom environments.
• Experience covering 4G/5G security, RAN infrastructure, transport networks, and cloud or virtualization platforms.
• Deep knowledge of GSMA, ENISA, TS33.x, ETSI, and NIST frameworks, plus hands-on experience with security solutions such as PKI, HSM, PAM, SIEM, and EDR.
• Relevant certification such as TOGAF, ISSAP, CISSP, or CCSP, or equivalent.
• Master's degree in Computer Science, Information Security, or Telecommunications.
• Strong English communication and presentation skills for technical and executive audiences.
• French proficiency is an advantage; flexibility to travel internationally to customer locations is expected.

Security practices and technologies

• Security practices include Zero Trust, Defense in Depth, and Adaptive Security architectures.
• Security technologies include firewalls, IDS/IPS, PKI, HSM, PAM, EDR, SIEM, and SOAR.