Cyber Security Architect (E2025092 - E2025093)

We are the people behind Ireland’s electricity grid. We operate the power system with world leading levels of variable asynchronous renewable generation, ensuring that everyone has power when they need it. But that’s not all, we are now transforming the power system for future generations.

EirGrid Group has a unique role to play in leading this radical transformation of our power system in support of the transition to renewable energy. This will require pioneering engineering effort together with highly secure IT capability to respond successfully to the scale of disruption. This offers a unique opportunity to further your career in cybersecurity while playing a significant role in protecting critical national infrastructure.

We’re an IT intensive business, and we operate a state-of-the-art, specialised business-critical systems, 24/7. Our future has never looked more exciting. And this is an incredible opportunity to be part of it. The world is ready for change. If you are too, join us.

The Opportunity

We are seeking a Cyber Security Architect to join our Security Architecture and Engineering team. You will play a pivotal role in a dynamic environment partnering with various business units, and implementation partner teams to ensure secure technology deployment, aligning with Information Security and enterprise strategies. You will also mentor security engineers, oversee projects, and contribute to the development of proactive approaches for the support, deployment, and optimization of security toolsets.

Key Responsibilities

• Conduct security consulting engagements across the company, focusing on improvements in threat modelling and risk assessment.
• Develop and maintain technical specifications, design patterns, standards as code, and security guidance, with a particular emphasis on cloud security.
• Perform threat analysis and modelling to enable business and technical partners to deliver secure solutions integrated with the SecOps lifecycle.
• Apply threat modelling and analysis frameworks such as MITRE ATT&CK and STRIDE (or STRIDE-LM) in security practices.
• Use security controls (Cloud Security Matrix, NIST CSF, CIS Critical Security Controls, etc.) and architecture frameworks (TOGAF, SABSA, etc.) to develop and document technical architecture references, security guidelines, and standards.
• Ensure the cloud environment is secure and compliant with industry standards and regulations.
• Work closely with partners, including leadership inside and outside of Enterprise Security, to identify opportunities to use technology to solve information security and business problems.
• Maintain and expand technical knowledge across security concepts and technologies, driving knowledge growth across security domains.
• Identify technical solutions and drive implementation to support strategic direction, focusing on value, impact, risk mitigation, security controls, privacy controls, detection, response, and quality.
• Prioritize mitigations in relation to technology upgrades, enhancements, and process improvements within the respective domains of accountability.
• Mentor and supervise security engineers, fostering their professional growth and overseeing their threat modelling projects.

About You
The successful candidate will have:

• Bachelor’s degree in cyber security, computer science, information technology, or related field.
• 5-10 Years of demonstrated experience in architecture and security across cloud computing technologies, including Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). Experience with Azure Cloud platform is preferred.
• Certifications such as Certified Cloud Security Professional (CCSP), Certified Information Systems Security Professional (CISSP), or Certified Cloud Architect (CCA) are preferred.
• Proficiency in common services used in cloud-based architectures, with expertise in Azure and Microsoft 365 services.
• Strong understanding of secure application development, threat mitigation tools, and techniques.
• Experience in addressing consumer data regulations and integrating regulatory and industry standards (ISO/IEC, GDPR) into cybersecurity designs.
• Knowledge in cybersecurity aspects of integrations and experience with enterprise-level IT applications and infrastructure.
• Proven ability to define and influence security strategy and vision, while also providing guidance on tactical security initiatives.
• Experience in developing and documenting architecture references, security guidelines, standards, and in applying security controls (Cloud Control Matrix (CCM), ISO, NIST CSF, CIS Critical Security Controls).
• Ability to develop and maintain effective strategic partnerships with key stakeholders internally and externally.

Closing date for applications
14/10/2025

We're dedicated to diversity and inclusion at Eirgrid. We recognise the strength that comes from having a diverse workforce and the importance of a supportive culture for all our people to achieve their potential. Our diversity and inclusion networks have been designed to create an inclusive culture that enables our people to feel a sense of belonging at work.

As an equal opportunities’ employer, we welcome applications from people of all backgrounds. Reasonable accommodations are offered at every stage of our recruitment process