Security Architect - Cyber Security

Aggregate function:  Technology
Business Area:  GT Global Cyber Security
Posting Country:  Ireland
Date Posted:  12 Dec 2025
Full Time / Part Time:  Full Time
Contract Type:  Permanent

At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this. 

We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together.

With us, you can be truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.

Role Purpose:

The Security Architect within the Vodafone Ireland Cyber Security team plays a cross-functional role, supporting development by defining security-related requirements and providing security guidance to the project teams. The Security Architect collaborates with stakeholders to implement Secure by Design processes, reviews documentation, advises local projects from a security perspective, and manages associated Cyber Security risks. Acting as a Subject Matter Expert, the Security Architect provides guidance across the organisation and to Vodafone Group projects, while also supporting local Secure by Design initiatives.

Essence of Role – Key Accountabilities:

Build productive working relationships and collaborate with the wider Technology team and relevant business units to document and maintain the Security Architecture. Support business units in understanding, applying, and enforcing security controls for both new and existing solutions, products, and modules.
Participate in early-stage project planning to ensure that appropriate security controls are implemented, in line with local legislation, regulations and with Group Cyber Security Policies and Standards
Assess the impact of new and updated Group Cyber Security Policies and Standards on the local organisation
Represent Technology Security during project sizing sessions and gate reviews. Provide high-level estimates of effort (time and cost), and ensure that estimates, security testing, and acceptance criteria are agreed upon, documented, and met.
Act as an internal security consultant by advising and influencing business and technical stakeholders. Provide security assurance, guidance, and support for projects at both the requirements and architecture levels.
Influence solution design by defining security requirements and ensuring implementations meet established security standards.
Design solution architectures for security-related initiatives and broader projects across the organisation.
Provide architectural guidance for secure software development, integration, and testing activities.
Conduct risk assessments based on identified vulnerabilities and issues across the organisation or as part of the Secure by Design process.
Guide local technology teams through compliance processes related to standards and frameworks such as NIST, ISO 27000, PCI-DSS, etc.
Ensure a consistent approach to managing security interdependencies across multiple projects and workstreams.
Lead by example within the Vodafone Ireland Cyber Security Secure by Design team, supporting team members and external contractors.
Be available for 24/7 on-call support as an escalation point for security incidents, when required.
Promote a culture of continuous improvement to reduce inefficiencies and enhance security practices.

We Are Looking For You, If You Have:

Bachelor/Master of Science degree in Computer Science, Engineering, Telecommunications or another related technical degree (relevant professional certificates are an advantage, e.g. TOGAF, ITIL, ISO27000 LA/LI, (ISC)2 CISSP, CCSP, ISACA CISM/CISA/CRISC).
8+ years IT Security Engineering/Architecture/Consultancy experience
Excellent knowledge of IT Security technologies 
In-depth knowledge of system development life cycle, security standards (ISO27000, OWASP, NIST etc.), system hardening, network security
Solid knowledge of telecom systems, networks, protocols and processes (e.g. billing, mediation, provisioning, signalling, VoIP etc.) 
Solid vendor management experience, proven experience managing complex integration issues across multiple vendors with very good analytical and reporting skills
Aptitude for assessing Security related issues and requirements from both a business and Information Security perspective with the ability to effectively address both technical and non-technical audiences
Leading a team of experts and providing guidance to team members 
Familiar with the laws, regulations, industry standards and guidance pertaining to Data Protection, Information Security and the Telecommunication industry.
Excellent communication skills with the ability to articulate complex technical issues in simple terms, and to provide accurate and user-friendly reports and documentation
A team player with diplomacy and advocacy skills and the ability to quickly adapt to ongoing environment changes (infrastructure, organisation, priorities)

When choosing us……….

When you join the Vodafone Team, you will have the chance to grow your career while also experiencing some serious benefits! 

Some of the benefits that you will receive along the way are:
Competitive Salary
Flexible working (times and location) is part of our culture where your hours can facilitate your personal work-life balance
Generous Employer Pension contribution
Free Phone Bill – When you join the team, your phone bill is on us! You will also receive mobile phone purchasing discounts
Learning and Development – We provide extensive training to all of our employees so they can progress in their careers! There is also the Vodafone University where our employees can gain incredible skills!
Exclusive Family and Friends Discounts – Receive additional discounts for you, your Family and Friends on Vodafone Products!
23 days annual leave and 3 charity days off – PLUS  a dedicated day off for your birthday
Free Parking 
Access to our Wellness centre including free access to our Gym, health and wellness centre and external practitioners

We are passionate about our employees! Here at Vodafone we want you to bring your whole self to work and we enable this with our progressive workplace policies. We are proud supporters of the LGBTQ+ community and Vodafone is committed to support all of their employees at work. We are an equal opportunities employers where our people can be at their best.

When you combine Technology and the human spirit, anything is possible. And when you join Vodafone, we’ll help you shape a rewarding career that gives back in more ways than one. Its starts here. It starts with you. 

#LI-JB1   #LI-Hybrid

Vodafone is committed to attracting, developing and retaining the very best people by offering a motivating and inclusive workplace in which talent is truly recognised and rewarded. We are committed to promoting Inclusion for All with the belief that diversity plays an important role in the success of our business. We actively encourage everyone to consider becoming a part of our journey.