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1GLOBAL is a technology-driven global mobile communications provider dedicated to empowering enterprises worldwide to unlock the full growth potential of mobile connectivity. With a best-in-class telecom technology platform, a comprehensive suite of globally viable regulatory licenses, and privileged access to the telecom wholesale market, 1GLOBAL is uniquely positioned to deliver seamless compliance and connectivity solutions. Serving the world's leading banks, corporations, and digital-first businesses—including neo-banks, travel companies, and payment service providers—1GLOBAL connects over 43 million devices globally.
With 2024 full-year revenue exceeding US$100 million, 1GLOBAL is a profitable business generating significant cash flows to fund its ongoing investments in infrastructure, transformation, and growth. 2024 saw major client wins and marked 1GLOBAL's evolution from a multi-market telecommunication provider to a global technology-driven mobile connectivity powerhouse.
Established in 2022 by experienced tech founders and entrepreneurs Hakan Koç and Pyrros Koussios, 1GLOBAL is a European technology leader driving digital transformation in the global telecommunications market. It operates as a fully regulated Mobile Virtual Network Operator ("MVNO") in nine countries and as a regulated telecommunications operator in an additional 31 countries. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 400 experts across 13 countries.
Position Overview
We are seeking an experienced Senior Cyber Security Engineer to join our team. You will play a pivotal role in securing our infrastructure, services, and data against evolving threats. This role requires a blend of hands-on technical expertise, strong analytical skills, and the ability to work collaboratively across teams to improve our security posture.
Key Responsibilities
Security Monitoring
* Configure and integrate infrastructure and software components with the enterprise SIEM platform
* Create and maintain custom dashboards and alerting functions
* Desirable: Experience with Elastic Cloud SIEM
Incident Response
* Identify, categorise, and investigate security events
* Lead the response to security incidents and analyse them to drive improvements
Vulnerability Management
* Maintain and operate tools for vulnerability scanning
* Collaborate with service owners and technical teams to remediate identified vulnerabilities within agreed timeframes
Threat Management & Penetration Testing
* Perform regular scans and assessments to identify vulnerabilities
* Assess emerging threats and techniques to evaluate their potential impact
* Manage the external penetration testing programme
Security Design and Architecture
* Contribute to the design and architecture of new internal services and third-party integrations
* Ensure robust security measures are in place to protect system and data confidentiality, availability, and integrity
Third-Party Security Evaluation
* Conduct technical evaluations of third-party products, services, and suppliers to ensure compliance with security standards and compatibility
Security Improvements
* Analyse the threat landscape and potential risks to implement continuous security enhancements
Certifications Support
* Provide technical assistance to support compliance with ISO and GSMA certifications
On-Call Support
This role includes on-call duties as part of the job. Employees will be expected to provide support outside regular working hours when needed. Additional compensation will be provided for on-call work.
Requirements
Qualifications
Technical Skills
* Expertise with SIEM platforms, host vulnerability scanners, network scanners, firewalls, encryption, IDS, and scripting
* Experience with Elastic Cloud SIEM, Tenable, and Jira (preferred but not essential)
Communication Skills
* Excellent verbal and written communication skills in English
* Ability to convey technical risks and issues to non-technical audiences
Professional Skills
* Highly organised with the ability to define, plan, prioritise, and execute multiple projects simultaneously
* Strong attention to detail and the ability to analyse complex security challenges to recommend effective solutions
On-Call Requirement
The role includes participation in an on-call rota for the escalation of potential security issues.
Benefits
Why 1GLOBAL?
* Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 40% year-on-year under the leadership of successful tech entrepreneurs
* Major Transaction Exposure: Be in the driver's seat for transactions that will have an impact on the future telco industry
* Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with capable and renowned external advisors, and constantly be exposed to talented and driven individuals
* Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts
* Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field
* International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company
* Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment
* Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry
1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.
Seniority level
* Associate
Employment type
* Full-time
Job function
* Information Technology
Industries
* Non-profit Organizations and Primary and Secondary Education
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