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Salary
≈ $48k – $97k per year (Estimated)
Location
Hybrid (Lisbon, Portugal)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Aug 11, 2026. Vodafone Group scores C on the Alion truth index.

Overview
Company
Impact
Profile match
Vodafone is a British telecommunications group whose mobile business was launched in 1985 and demerged as an independent company in 1991, growing through the 1990s into one of the largest mobile operators in the world. After years of retrenchment it now concentrates on Germany, the United Kingdom following its merger with Three, and a set of other European markets, alongside a substantial African business built around M-Pesa mobile money and a business division selling connectivity and internet of things services to corporate customers. Headquartered in Newbury and listed in London, it operates the world's largest managed internet of things connectivity platform.

Join Us

At Vodafone, we’re not just shaping the future of connectivity for our customers - we’re shaping the future for everyone who joins our team. When you work with us, you’re part of a global mission to connect people, solve complex challenges, and create a sustainable and more inclusive world. If you want to grow your career whilst finding the perfect balance between work and life, Vodafone offers the opportunities to help you belong and make a real impact.

Global Cyber Security’s role is to inspire trust and confidence in our customers by enabling secure connectivity. Our purpose is to proactively protect Vodafone & its customers by reducing the risks posed by security threats to Vodafone’s global technology infrastructure and the sensitive data it holds.

The purpose of the role is to provide Solution Engineering for the Network Detection and Response capability being developed as part of the VOLT acceleration plan. This will involve providing Architecture and Design expertise for the use network-based flow and traffic data to detect, investigate and respond to cyber incidents.

The role requires significant innovation to deliver and strong networks-based knowledge to understand the critical inflexion points that can be used to monitor traffic. The role holder will also need to be able to support the Cyber Defence teams as the develop the skills ton know how to use network-based detection.. This requires strong communication skills and an absolute attention to detail.

This role will be required to operate effectively in a complex, dynamic, and constantly changing environment. Active & compelling engagement of teams and stakeholders will be crucial in creating the momentum required. This role requires a leader who is technically competent, an effective communicator and collaborator to deliver the consistency & risk reduction outcomes required.

What you’ll do

  • Own the design and delivery of network flow/traffic onboarding to our Centralised Security Analytics toolsets;
  • Review strategy and blueprint for network flow/traffic;
  • Produce High-level and Low-level Designs Security Analytic toolset platforms and flow/traffic ingestion patterns;
  • Implement configuration;
  • Produce firewall rule requirements for platform inter-component communications;
  • Perform tuning to mitigate false positives security alarms/events as part of initial deployments;
  • Work with the BAU operational teams for platform handover, health monitoring and authentication system onboarding;
  • Work with Logging and Monitoring teams to ensure security alarms/events are successfully parsed to the Vodafone SIEM solutions;
  • Collaborate with vendors and 3rd parties for product and platform enhancements.

Who you are

  • Degree educated (or equivalent) in a relevant subject;
  • Agile delivery using Scrum or Kanban methodologies;
  • 5+ years experience of Netflow and Full Packet Capture technologies;
  • 5+ years experience in reviewing network flow data to identify normal and abnormal/malicious traffic trends;
  • Experience communicating technical information to all key stakeholder levels;
  • Self-motivated and ability to work alone and as part of a team;
  • Experience working across multiple Geographical security team domains;
  • Communicating & reporting concise summaries of complex scenarios & information across diverse and senior stakeholder groups;
  • Fluency in English.

Not a perfect fit?

Worried that you don’t meet all the desired criteria exactly? At Vodafone we are passionate about empowering people and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to still apply as you may be the right candidate for this role or another opportunity.

What's in it for you

  • Hybrid Work Model - Flexible hybrid work model with 8-10 in-office days per month, managed by team leaders;
  • Vodafone Products and Services - Employees get a mobile phone, free communication plan, data card, and various discounts on services and products;
  • Recognition - Recognition programs for innovative, creative, high-potential employees and exemplary behaviors;
  • Health and Well-being - Well-being Program offers nutrition and psychological consultations, webinars, workshops, and discounts on various services and products;
  • Learning - Access to Communities of Practice and a customizable digital training platform with high-quality content (namely Harvard Business Publishing, Skillsoft and Speexx);
  • Local and International Mobility - Internal recruitment with local and international rotation opportunities across departments and roles.

Who we are

We are a leading international Telco, serving millions of customers. At Vodafone, we believe that connectivity is a force for good. If we use it for the things that really matter, it can improve people's lives and the world around us. Through our technology we empower people, connecting everyone regardless of who they are or where they live and we protect the planet, whilst helping our customers do the same.

Belonging at Vodafone isn't a concept; it's lived, breathed, and cultivated through everything we do. You'll be part of a global and diverse community, with many different minds, abilities, backgrounds and cultures. ;We're committed to increase diversity, ensure equal representation, and make Vodafone a place everyone feels safe, valued and included.

If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, please refer to https://careers.vodafone.com/application-adjustments/ for guidance.

Together we can.

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