Deputy CISO - Operational Delivery
1GLOBALLisbon, Portugal
Posted March 17, 2026
Full Time
About the Company
1GLOBAL connects the world through a pioneering eSIM platform for seamless global network solutions.
Job Description
1GLOBAL is a technology-driven global mobile communications provider seeking a Deputy CISO - Operational Delivery to lead the CyberDefense team, own daily operational security performance, and serve as Incident Commander for significant security incidents.
Requirements
- 10+ years in cybersecurity
- 5+ years in operational leadership (SecOps, Cyber Defense, Security Architecture)
- Proven incident commander in a production environment, ideally in global telecoms or other distributed, high-availability infrastructure
- Deep familiarity with telco-specific security: network core protection, SS7/Diameter signalling, 4G/5G mobile network security, OSS/BSS, and cloud-native telecom environments
Benefits
- Growth Opportunities
- Major Transaction Exposure
- Work with a Talented Team
- Dynamic Work Environment
- Professional Development
- International Experience
- Open Communication Culture
- Get Things Done Attitude