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 Level 3 Network Engineer to play a key role in setting up, fixing, and maintaining the company's network which supports over 135 sites. This role is based in our Head Office in Dublin city centre. The Role: The Level 3 Network Engineer will resolve issues to keep everything running smoothly by ensuring stability across older systems, cloud connections, and upcoming technology upgrades. They'll also handle tasks like organising cables, patching, and labelling to keep everything neat and efficient. This role is critical to ensuring a resilient and efficient network that supports the company's operations and growth plans. Primary Responsibilities: Diagnose and resolve network problems, stepping in to handle critical incidents when needed. Manage and carry out network upgrades and configurations, including Cisco systems, carrier links, and firewalls. Support the integration of older systems with cloud-based solutions like Azure and external Hosted Applications. Help manage wireless network solutions for both corporate and guest Wi-Fi, including IoT devices. Oversee cable management tasks, including patching, organising cables neatly, and maintaining patching schedules. Monitoring and maintenance of network monitoring tools. Qualifications and Experience: At least 5 years of experience in network engineering, with a focus on large-scale environments. Strong knowledge of Cisco technologies, including Nexus switches, SDWAN, and wireless solutions. Proven expertise in troubleshooting and maintaining complex network systems. Experience with hybrid cloud integration and carrier link management. Relevant Cisco certifications (e.g., CCNP, CCIE) are advantageous. Desirable Skills: Familiarity with Cisco 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.