Security Architect – Design & Operations

Security Architect Design & Operations

In our world things change by the millisecond
We build the technology that creates amazing moments and better connects our customers. Ready to play your part Join us and Be Phenomenal. Working towards the same shared goal of better connectivity our tech teams enjoy a high degree of freedom. We love hearing ideas and seeing them come to life. With great resources youll get to be part of a team at the foundations of the transformation of our business. Who knows what the next innovation will be Thats what makes a career at Three so exciting.

Since we set foot in Ireland weve done things differently
Investing in infrastructure we built a network that now connects 2.2 million customers nationwide carrying more data than all alternative telecommunications providers combined. We take the script and rip it up were a big-hearted energetic bunch striving for a better connected life. We encourage our employees to face their weaknesses to really open themselves up to new tasks and projects in a super-charged and rich learning environment. We want you to become the best version of yourself.

Join us as a Security Architect Design & Operations

At ThreeIreland were looking for an experienced Security Architect to play a key rolewithin our wider security and technology teams helping to ensure security isembedded across the design and operation of our IT Network Cloud and Digitalservices.
This is akey role where youll help shape how security is architected embedded and runensuring our controls are not just well designed but measurable resilientand effective in practice and that they are in line with industry bestpractice regulatory obligations and the Three Ireland Security Policy.

What else it involves:

• Help shape enterprise security architecture across applications infrastructure networks mobile and cloud
• Embed secure-by-design principles across technology initiatives
• Oversee security operations including incident response monitoring and managed security services#
• Act as a senior escalation point during major security incidents
• Drive risk management resilience and regulatory compliance (ISO 27001 NIST NIST 2 GDPR PCI DSS)
• Partner with IT Network Cloud and external providers to deliver secure scalable solutions
• Influence senior stakeholders by translating technical risk into business impact

The skills were looking for:

• 5 years in senior cybersecurity roles across architecture risk and operations
• Strong hands-on expertise in security design and operational controls
• Experience with incident response SOCs and MSPs
• Broad technical knowledge across enterprise IT networks (WAN/LAN) and cloud
• Excellent communication and stakeholder engagement skills
• Threat modelling & risk assessment
• Security architecture (application infrastructure cloud)
• Incident response & forensic investigation
• Vulnerability management & remediation
• Third-party security governance
• Data protection & privacy

Desirable

• CISSP
• CISM
• CRISC
• ISO 27001
• Data Protection
• PCI certifications

Benefits of Working at Three

• Flexible working with our new Hybrid model our employees will enjoy more flexibility working from home and our office locations (3 days per week office based). Please see job description for the office location of this role.
• Competitive salary annual performance bonus & pension contribution
• 25 days holidays plus 2.5 company days
• Annual Leave buy or sell (buy or sell up to 5 days AL each year)
• Healthcare Insurance through our flexible benefits programme
• Life assurance phone & laptop subsidized canteen
• Access to learning & development tools such as Coursera
• Free on-site parking

Theres a lot more to us than meets the eye.
You may think you know us but were full of surprises. Intrigued Join us and Be Phenomenal.
Apply now at: #Jobs

At Three we are committed to equity diversity and inclusion. As Irelands largest mobile telecommunications provider we provide a better connected life for our diverse customer base and want our teams to reflect this. We welcome and celebrate all identities and strive to create a culture of belonging where employees can thrive as their authentic selves. If you do not tick every box in this job description you likely have other valuable skills that would make you a great fit for one of our teams. If you feel this role is for you then please apply! #Jobs


If you require reasonable adjustments for your interview please let us know when scheduling your interview or alternatively please email Apply now at Three a Phenomenal career awaits!

Required Experience:

Staff IC