Cyber Defence Senior Analyst
First seen by Alion on Oct 9, 2026.
Job Description
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Dunnes Stores is Ireland’s leading retailer positioned at the cutting edge of food, fashion and home retailing. We are known for offering a wide range of high-quality products to our customers.
We are a customer focused business and constantly exploring new ways to improve the experience for our customers. This includes embracing changes in technology to drive new innovation including IoT technologies such as Scan & Go/Queue Busting checkout options, intelligent Digital Displays, Smart Shelves, and Smart Trolleys, along with mobile device integration, are enabling such experiences.
Modern IT infrastructures are allowing for the rapid on-boarding of new stores, product lines, and technologies to allow us quickly to adapt to market changes while ensuring security and compliance. This provides a challenging environment for people to drive change and ensure we embrace cyber and security challenges to protect and grow our business.
We are hiring for a Cyber Defence Senior Analyst who will be responsible for SOC escalations, cyber engineering, threat vulnerability management and incident response investigations. This role involves both operational cyber defence activities and independent working to deliver on cybersecurity initiatives. The successful candidate will also be expected to mentor junior analysts and on occasion provide additional cover.
The ability to collaborate with IT peers and the wider business is essential.
The role is based in our Head Office in Dublin city centre, and reports to our Senior Manager Cyber Defence.
Key Responsibilities:
- Point of escalation for SIEM incident investigation and root cause analysis in support of Dunnes Stores SOC.
- Plan, execute and report on cyber threat hunting leveraging threat intelligence scoped to the retail sector.
- Oversee and maintain our management solution to provide accurate identification, classification and reporting on vulnerabilities across the Dunnes Stores estate.
- Coordinate comprehensive external attack surface management and associated remediation of Dunnes Stores infrastructure.
- Design, deploy and verify new detection use cases based on the latest cybersecurity threats targeting the retail sector.
- Maintain a working knowledge of new offensive tactics, techniques and procedures to perform controls testing and verify our detection capabilities.
- Plan and execute cybersecurity engineering tasks as directed with minimal oversight to support the wider IT organisation.
- Stay abreast of the latest cybersecurity trends, threats, and technologies specific to the retail sector.
- Regularly perform cloud security posture management reviews and action priority remediations.
- Provide leadership cover for Cyber Defence and act as team point of contact when required.
Qualifications & Experience:
- 8+ years of experience in a Cybersecurity role, preferably with a mix of MSP and internal SOC experience.
- Bachelor's or Master's degree in Information Security, Cybersecurity, Computer Science, or a related field.
- Strong experience in cybersecurity SOC operations and incident response, preferably in the retail sector.
- Strong knowledge of Windows, Linux, Active Directory, Cloud and networking technologies.
- Experience with management and deployment of threat vulnerability management, endpoint detection and response, security information and event management, security orchestration automation & response, cross detection & response and cloud technologies.
- Experience configuring and maintaining an enterprise vulnerability management solution.
- Experience of incident response, including log analysis, forensic investigation and report writing.
- Professional certifications such as CISSP, CEH, CRTO, GIAC or OSCP.
- Strong understanding of cybersecurity frameworks (e.g., NIST, MITRE) and regulatory requirements (e.g. PCI DSS).
- Excellent communication, written and organisational skills.
- Ability to translate complex cybersecurity concepts into business terms and influence decision-making processes.
- Working knowledge of the cyber threat intelligence for use case development and reporting.
Dunnes Stores Competency Profile:
- Technical/professional knowledge
- Building Relationships
- Results Orientation
- Change Advocate
Benefits:
- Competitive salary
- Comprehensive benefits package including our employee discount
- Opportunities for professional development and career progression
- A dynamic and collaborative work environment focused on innovation and growth
If this sounds like the job for you, please apply now!
Dunnes Stores is an equal opportunities employer
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