Lead Cyber Security Consultant

3 days ago

Dublin, Dublin City, Ireland Three Ireland (Hutchison) Limited Full time

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 autonomy.
We love hearing ideas and seeing them come to life.
With great resources, you'll get to be part of the leading team at the foundations of the transformation of our business.
Who knows what the next innovation will be?
That's what makes a career at Three so exciting.

Since we set foot in Ireland, we've done things differently.

Investing in infrastructure, we built a network that now connects 2.2 million customers nationwide, carrying more data than all of our competitors combined.
We take the script and rip it up, we're 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 challenges and projects in a super-charged and rich learning environment.
We want you to become the best version of yourself.

Join us as a Lead Cyber Security Consultant: Reporting to the Technology Security Manager, the Cyber Security Consultant provides Cyber Security input to Three technology projects from feasibility, through design, implementation, verification, and operational stages.
This role requires a detailed understanding of the technology and appropriate Security required within a mobile network environment across all business sectors.
This person will assist, monitor, and advise on the implementation of Three's IT and Network systems and services to ensure it is delivered to the highest security standards consistent with best industry practice and applicable legislation.

What else it involves… Define Security requirements and provide Security guidance and support for Technology and Network projects through all project delivery stages.
Facilitate Security Testing of projects at implementation stages.
Review, and Risk Assess Security Operational Readiness prior to implementation.
Identify and present options for treating and mitigating Cyber Security Risks alongside supporting Risk and Issue management processes.
Support the delivery, onboarding, troubleshooting, and fine-tuning of the Operational Security toolsets to improve their effectiveness.
Build strong relationships with the management and personnel of the other functions within the Technology and Network areas as well as key stakeholders across the business.
Establish and maintain strong relationships with our Partners, holding them to account for their Security deliverables, monitoring and advising on their compliance with Three's Security Policies and Standards.
Support Incident Response, Disaster Recovery, and Business Continuity planning activities.
Support the Security team in reporting, roadmap, and resource planning.
Perform research activities around Security threats and incidents.
Maintain an in-depth knowledge of industry standards and have an evolving level of technical expertise relevant to the role.
Provide expert advice and mentorship to team members in need of advanced cybersecurity guidance, ensuring the team collectively upholds high standards.
The skills we are looking for: The candidate should have at least 3 years' experience in an Information Security role within a technology organisation.
Knowledge of the following or equivalent would be desired: Security consulting, architecture/design, or professional services experience.
Excellent communication skills – both verbal and written to all levels within an organisation from technical design to senior management.
Works well under pressure within time/budget constraints to solve problems, adjusts quickly to shifting priorities, and makes decisions with limited information.
Proficient in threat response and responding to Security incidents.
Understanding of cyber security standards and frameworks (ISO27001, NIST, SANS, OWASP etc).
Technical knowledge of large-scale Information Systems, WAN and LAN Networks.
Mobile Network Technologies including Mobile CORE, RAN and Transmission networks (or specialization in a particular field).
Demonstrated teamwork, and collaboration skills.
Business Continuity best practices and implementation in a large and complex environment with multiple vendor partners.
Data Protection and Personal Data Governance.
One or more of the following certifications would be desirable: ISO-27001 Certified Implementer and/or Auditor, ISACA Certified Information Security Manager (CISM), Comptia Security+, ISACA Certified in Risk and Information Control (CRISC), ISC2 Certified Information Systems Security Professional (CISSP), EC-Council Certified Ethical Hacker (CEH), Offensive Security Certified Penetration Tester (OSCP).
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.
Free on-site parking.
You may think you know us, but we're full of surprises.
Intrigued?
Join us and Be Phenomenal.
#Jobs Apply now at: Three Ireland is proud to be an equal opportunities employer.
If you do not 'tick every box' in the job description above, there are likely other valuable attributes and skills you have that would make you a great fit for the team.
If you feel this role is for you, then please apply
We are committed to equal employment and growing a diverse workforce.

We embrace those of any race, gender identity, sexual orientation, age, religion, disability, marital status, family status, civil status or membership of the traveler community, and we want our teams to reflect this

If you require reasonable adjustments at interview, please let us know when scheduling your interview, or alternatively please email
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