Network Architect

Job Description 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. With a strong brand presence and a loyal customer base, we pride ourselves on creating memorable experiences that resonate with our customers. We are seeking a Network Architect to drive the design and optimisation of the organisation's network to support current operations and future business objectives. This role is based in our Head Office in Dublin city centre. The Role : The Network Architect is tasked with designing and evolving the organisation's network infrastructure to support seamless operations across 135+ retail sites. This strategic role focuses on ensuring a robust, secure, and scalable network that meets current operational needs while enabling future innovation. Key responsibilities include developing and implementing hybrid cloud solutions, optimising wireless connectivity, and ensuring seamless integration of on-premises and cloud systems. The Network Architect also drives network security enhancements and continuous performance optimisation to align with enterprise goals and retail industry demands. This position plays a vital role in delivering a resilient and innovative network foundation that supports operational efficiency, business growth, and a competitive edge in the retail sector. Primary Responsibilities : Network Design and Architecture Develop high-level network plans and detailed designs tailored to meet client needs and objectives. Design scalable, multi-site network configurations, leveraging Cisco Nexus switches to ensure flexibility and future growth. Implementation and Integration Oversee the deployment and integration of Cisco networking solutions, ensuring the design is effectively implemented and challenges are addressed proactively. Ensure seamless configuration and management of Cisco SDWAN cloud controllers, focusing on smooth integration with existing network architecture (DNA). Cloud and On-Premises Networking Provide strategic input on designing datacentre networking solutions for hybrid environments, combining Azure cloud and on-premises systems. Design solutions that ensure seamless integration between cloud and on-premises networks, aligning with enterprise-level standards. Wireless and Security Design and manage wireless network solutions using Cisco controllers in N+1 configurations to enhance reliability and coverage. Incorporate robust security measures in network design, including Cisco enterprise firewalls and Access Control Lists (ACLs), to protect network infrastructure. Monitoring and Optimisation Design network monitoring strategies using tools like SolarWinds and Cisco ACI to ensure continuous performance tracking. Proactively address performance and security issues through strategic design adjustments and ongoing optimisation. Qualifications and Experience : 10+ years' experience in networking including data centres with a focus on Cisco solutions. Hands-on experience with multi-site configurations using Cisco Nexus switches. Demonstrable expertise in designing and implementing enterprise-grade networking solutions. Cisco Certified with relevant accreditations Proficiency in drafting high-level and low-level network designs. Deep understanding of Cisco SDWAN, DNA, and wireless solutions in resilient configurations. Strong experience with enterprise network security, including firewalls and ACLs. Desirable Skills : Familiarity with Cisco Nexus data centre architectures including ACI. Experience using monitoring tools such as SolarWinds. 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 Dunnes Stores is an equal opportunity employer.