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Senior Cyber Security Engineer

Welcome to 1GLOBAL, a dynamic and innovative force in the intersection of telecommunications and technology. Founded by two visionary technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL is a privately owned company with a clear mission to connect the world, seamlessly. With over 100 million dollars in revenue and being both profitable and cash generative, 1GLOBAL has the ability to fund its massive growth without relying on external funding.


As a global specialty telecommunications provider, 1GLOBAL serves financial institutions, enterprises, mobile network operators, and consumers across 42 countries, offering fully regulated voice, data, and SMS services. As pioneers in the eSIM revolution, we’ve built a complete ecosystem that drives our growth with partners such as Apple, Palo Alto Networks and Google, while attracting customers like Goldman Sachs, JP Morgan, Revolut, Netflix and Tesla.


Join us at 1GLOBAL and be part of that journey of massive growth, while forming the future of the global communication industry!

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.

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.

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 the most capable and renowned external advisors, and constantly being 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.

Average salary estimate

$120000 / YEARLY (est.)
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$100000K
$140000K

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What You Should Know About Senior Cyber Security Engineer, 1GLOBAL

At 1GLOBAL, we're on the lookout for a passionate and experienced Senior Cyber Security Engineer to join our vibrant team. As a key player in this dynamic specialty telecommunications provider, you’ll be integral in securing our infrastructure, services, and data in an ever-evolving threat landscape. Your role goes beyond just technical know-how; you'll need to leverage your analytical skills while collaborating with multiple teams to enhance our overall security posture. Your responsibilities will include monitoring security systems, leading incident response efforts, and managing vulnerability assessments. You’ll even get to engage in penetration testing and contribute to the design of secure architectures for new services. With a focus on continuous improvement, you'll have the opportunity to analyze threats and implement cutting-edge security measures. At 1GLOBAL, you’ll work alongside industry leaders, gain international experience, and thrive in a culture that values open communication and innovative thinking. If you're excited about making an impact in the global communication industry, join us, and let's connect the world, seamlessly!

Frequently Asked Questions (FAQs) for Senior Cyber Security Engineer Role at 1GLOBAL
What are the key responsibilities of a Senior Cyber Security Engineer at 1GLOBAL?

As a Senior Cyber Security Engineer at 1GLOBAL, your responsibilities will include configuring and integrating security systems with our enterprise SIEM platform, leading incident response efforts, and performing vulnerability management. You'll analyze the threat landscape and engage in continuous security improvements, ensuring our infrastructure remains resilient against evolving threats.

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What qualifications are required for the Senior Cyber Security Engineer position at 1GLOBAL?

To qualify for the Senior Cyber Security Engineer role at 1GLOBAL, you should have expertise in SIEM platforms, vulnerability scanners, and security architecture. Strong communication skills are essential to convey technical risks to non-technical teams, and being highly organized will help you manage multiple projects efficiently.

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How does the Senior Cyber Security Engineer role contribute to security improvements at 1GLOBAL?

In the Senior Cyber Security Engineer role at 1GLOBAL, you will be pivotal in analyzing the security ecosystem and identifying vulnerabilities. By leading incident responses and implementing improvements, you'll directly enhance the effectiveness of our security measures, ensuring the integrity of our operations.

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What opportunities for professional development exist for Senior Cyber Security Engineers at 1GLOBAL?

At 1GLOBAL, Senior Cyber Security Engineers are provided with numerous opportunities for professional development. You’ll have the chance to work alongside industry experts, gain hands-on experience with advanced security technologies, and contribute to international projects that enhance your skills in a cutting-edge field.

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What is the work environment like for a Senior Cyber Security Engineer at 1GLOBAL?

The work environment for a Senior Cyber Security Engineer at 1GLOBAL is dynamic and collaborative. With an open communication culture, your ideas will be valued, and you will thrive in a fast-paced atmosphere that encourages innovation and creativity, enabling you to make a tangible impact.

Join Rise to see the full answer
Common Interview Questions for Senior Cyber Security Engineer
Can you describe your experience with SIEM platforms as a Senior Cyber Security Engineer?

When answering this question, showcase specific SIEM platforms you've worked with. Discuss how you configured and integrated these tools into existing infrastructure and any custom dashboards or alerting systems you set up, emphasizing your analytical and technical competencies.

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How do you approach incident response in a cybersecurity role?

Discuss your methodical approach to incident response, detailing the steps taken from identification to categorization and analysis of events. Highlight your ability to lead investigations and implement improvements that enhance security practices.

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What strategies do you use for vulnerability management?

When discussing strategies, cover how you perform vulnerability scanning, prioritize identified vulnerabilities, and collaborate with technical teams to ensure remediation. Emphasize your commitment to maintaining high security standards.

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Can you give an example of a complex security challenge you faced and how you solved it?

Share a specific example of a complex security issue you encountered, focusing on your problem-solving skills. Explain the steps you took to analyze the problem, engage relevant stakeholders, and implement effective solutions.

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What role do you see penetration testing playing in cybersecurity?

Explain the importance of penetration testing as a proactive security measure. Detail how regular assessments help identify vulnerabilities, evaluate risk, and guide improvements in security architecture.

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How do you stay updated with emerging cybersecurity threats?

Discuss the methods you use to keep current, including following industry blogs, attending conferences, and participating in professional forums. Highlight how this knowledge informs your security strategies at work.

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How would you communicate technical risks to a non-technical audience?

Explain your approach to simplifying complex security concepts for a non-technical audience. Use analogies and clear language to ensure stakeholders understand the implications of various risks and the importance of mitigation strategies.

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What is your experience with third-party security evaluations?

Share any experiences you have with conducting security evaluations on third-party products or services. Discuss the criteria you use to assess compliance with security standards and how you communicate findings to relevant stakeholders.

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What security tools are you most proficient in, and how have you used them?

Identify the security tools with which you have considerable experience, such as firewalls, IDS, and vulnerability scanners. Talk about how you implemented these tools to monitor and fortify security measures in your previous roles.

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Why do you want to work at 1GLOBAL as a Senior Cyber Security Engineer?

When answering this, convey your enthusiasm for 1GLOBAL's mission and growth. Discuss how the company's commitment to innovation and a collaborative work culture aligns with your career goals and values, and how you believe you can contribute to their success.

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we’re on a mission to connect the world seamlessly that’s why we aim to enable more connections than anyone else and why we’ve been pioneering the esim revolution from the very beginning. from international enterprises and consumers to iot devic...

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Full-time, remote
DATE POSTED
January 8, 2025

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