Impress employers and recruiters.
Choose from hundreds of resume examples.
Impress employers and recruiters.
Choose from hundreds of resume examples.
Target Resume Now
Tailor your resume to this Deputy CISO - Operational Delivery role.
Rezi rewrites your resume against 1GLOBAL's job description. Free.
Tailor your resume to this Deputy CISO - Operational Delivery role.
Rezi rewrites your resume against 1GLOBAL's job description. Free.
Don't guess if your resume is good enough.
See how it scores against the Deputy CISO - Operational Delivery posting at 1GLOBAL — free, in seconds.
Don't guess if your resume is good enough.
See how it scores against the Deputy CISO - Operational Delivery posting at 1GLOBAL — free, in seconds.
About the Role
The Deputy CISO is an operational leadership role, serving as the day-to-day head of security. This position reports directly to the CISO with a dotted line to the CIO, leading the Cyber Defense organization and owning delivery of security functions.
Responsibilities
- Lead the Cyber Defense team, overseeing daily operational security performance in a distributed, high-availability telecoms environment.
- Serve as Incident Commander for significant security incidents and maintain/improve global incident response playbooks and readiness programs.
- Oversee the design, deployment, and lifecycle management of critical security technologies (SIEM, SOAR, EDR/XDR, IAM/PAM, network security, cloud security platforms).
- Maintain technical standards, reference architectures, and hardening guidelines globally.
- Own telco-specific security domains including network core protection, signalling security, mobile network security, OSS/BSS security, and cloud-native telecom environments.
- Manage the security risk register, leading technical risk identification, quantification, and mitigation.
- Oversee penetration tests and red-team exercises, ensuring prompt remediation of findings.
- Oversee Security Engineering, including the architecture review process, SDLC security, and GSMA SGP compliance in product delivery.
- Ensure security is embedded in designs across Network Engineering, Cloud, IT, and Product.
- Approve operational security platform changes and represent Security in the Engineering change process.
Requirements
- 10+ years in cybersecurity with 5+ years in operational leadership (SecOps, Cyber Defense, Security Architecture).
- Proven incident commander experience in a production environment, ideally in global telecoms or similar distributed, high-availability infrastructure.
- Deep familiarity with telco-specific security domains.
- Strong background implementing and managing enterprise security platforms at scale.
- Direct operational experience with at least two of: GSMA SAS-SM, NIS2, GDPR, MiFID II, DORA.
- Experience leading hybrid internal/MSSP SOC models, including MDR partner relationships.
- Familiarity with Zero Trust, Secure-by-Design, and automation-centric security approaches.
- Ability to build trust with Engineering and represent Security credibly at board and regulator levels.
- Demonstrated ability to remain calm under pressure and deliver bad news early.
Skills
- SIEM
- SOAR
- EDR/XDR
- IAM/PAM
- Network Security
- Cloud Security
- Network Core Protection
- Signalling Security (SS7/Diameter)
- Mobile Network Security (4G/5G)
- OSS/BSS Security
- Cloud-Native Telecom Environments
- GSMA SGP compliance
- Zero Trust
- Secure-by-Design
- Automation-centric security
Location
- Netherlands
Work Type
- Full-time
Experience Level
- 10+ years in cybersecurity
- 5+ years in operational leadership
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
About the Company
- 1GLOBAL is a technology-driven global mobile communications provider delivering global connectivity solutions.
- The company operates a best-in-class telecom platform with its own owned and operated global mobile core network in 15 countries, in-house developed eSIM technology, and an extensive portfolio of telecom licenses.
- 1GLOBAL is a fully regulated telecommunications provider across 43 countries worldwide.
- The company serves leading banks, multinational enterprises, global retailers, and digital-first businesses.
- 1GLOBAL connects over 80 million people and devices globally.
- 1GLOBAL is a profitable, fast-growing business with revenues exceeding US$200 million and profits over US$25 million in 2025.
- The parent of the Lidl Group acquired a 10% interest in 1GLOBAL in 2026.
- Founded in 2022, 1GLOBAL operates as a fully regulated MVNO in 15 countries and a regulated telecom operator in 28 additional markets.
- Headquartered in the Netherlands, with R&D hubs in Lisbon, Berlin, and São Paulo, the company has a team of nearly 550 experts across 16 countries.
- The company's ambition is to redefine global mobile connectivity through technology, scale, and execution excellence.
Equal Opportunity
- 1GLOBAL is an equal opportunity employer, valuing character as much as talent.
- Diversity drives innovation.
- The company offers a collaborative, dynamic, and international work environment.
- The company is excited for new hires to join its mission to revolutionize connectivity globally.