Cyber Defence Analyst - VOIS

Who we are

VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation.
As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed in partnership with customers across Vodafone Group, local markets, and partner markets to simplify and drive growth. With our strategic partner Accenture, we work alongside our Vodafone customers, other Telco and tech companies to drive transformation, meet the challenges of our industry and ensure we stay relevant and resilient. This partnership is a unique, industry-first model which brings together the best of in-house and 3rd party capability.
We work with customers across 28 countries from 10 VOIS locations: Albania, Egypt, Hungary, India, Romania, Spain, Turkey, UK, Germany, Ireland, and with a network of teams in Czech Republic, Italy, Greece, and Portugal.
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About this role

We are seeking a skilled and proactive Cyber Defence Analyst to join our Security Operations Centre (CSOC) team. This role is pivotal in identifying and validating cyber threats using a wide range of security tools and data sources. The individual will work closely with senior analysts and incident managers to deliver actionable insights and recommendations for mitigating risks. Operating in a 24/7 environment, the role requires flexibility to work in rotating shifts and a strong commitment to maintaining security across Vodafone’s digital infrastructure.

What you’ll do

• Investigate, analyse, and triage security alerts using CSOC tools.


• Document event and case analysis in the incident management system and manage cases through closure.


• Perform historical analysis of detected events and support incident managers.


• Participate in daily stand-up calls and contribute to knowledge base development.


• Collaborate with local market CSIRT teams and ensure effective communication across global teams.


• Proactively reduce alert volumes through fine-tuning and process stabilisation.


• Communicate emerging threats and malware behaviours clearly to stakeholders.


• Ensure mitigation measures are in place to reduce spam and phishing alerts.


• Maintain composure under pressure and respond effectively during emergencies.

Who you are

• Minimum 3 years of experience in Cyber Security, SOC operations, SIEM, and incident management.


• Strong understanding of network and security concepts and SIEM technologies (e.g., ArcSight, Splunk, QRadar, LogRhythm).


• Holds industry-recognised certifications such as CEH, CCNA Cyber Ops, Security+.


• Excellent analytical and communication skills.


• Degree in Computer Science, Information Technology, Engineering, or a related field.


• Experience in global customer handling and event analysis.


• Demonstrates integrity, self-motivation, and cultural sensitivity.

Not a perfect fit?

What's in it for you

• Opportunity to work in a global 24/7 cyber defence environment.


• Exposure to advanced security tools and technologies.


• Collaboration with international teams and senior security experts.


• Contribution to Vodafone’s mission to protect digital assets and infrastructure.


• A dynamic and inclusive workplace that values continuous learning and innovation.

What skills you will learn

• Advanced threat detection and incident response techniques.


• Real-time monitoring and analysis of security events across multiple platforms.


• Effective communication of technical risks to business stakeholders.


• Process optimisation and alert fine-tuning strategies.


• Cross-functional collaboration in a global security operations setting.

VOIS Equal Opportunity Employer Commitment

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