IP Operations Engineer

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 freedom. We love hearing ideas and seeing them come to life. With great resources, you'll get to be part of a 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 alternative telecommunications providers 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 tasks and projects in a super-charged and rich learning environment. We want you to become the best version of yourself. Join us as a IP Operations Engineer Three Ireland is looking for a highly motivated and experienced IP engineer to join their IP Operations Back Office team. The IP Operations Back Office team integrates into a wider IP Network team comprised of IP Operations Front Office, IP Design, IP Performance, IP Service Delivery, and IP Change Management, to deliver best practice IP network solutions/changes at Three Ireland. The overall goal for the IP Network team is to achieve efficient, high quality and cost-effective delivery, while maintaining network stability and meeting growth and performance demands. We also continuously and proactively implement the necessary measures to maintain a secure and stable IP network to mitigate risks of service outage on our critical business services. The IP Operations Back Office team is made up of highly skilled IP engineers, IP technical leads and an IP Change Manager/Co-ordinator. The responsibilities of the team include implementing all IP network changes (low, medium, high risk) on the Three Ireland IP network whether derived from BAU, project or incident. Depending on the complexity and/or risk of service impact, changes are scheduled either within or outside of normal working hours. Preventative maintenance, lifecycle management, security and continuous service improvement measures are also very important activities for IP Operations to maintain IP network stability. IP Back Office Operations provide a 24/7 on-call service for P1/P2 incidents which are governed by a separate Incident Management team. IP Front Office Operations provide monitoring and level 1 support with IP Back Office Operations providing level 2 advanced troubleshooting and the ability to escalate to level 3 vendor support as required. Analyse/troubleshoot network faults and conduct effective and timely fault resolution, ensuring adherence to key SLAs. Provide on-call cover both within and outside of business hours to manage in the successful resolution of major incidents/faults on the IP Network and to participate as a stakeholder in other non-IP originated incidents/faults BAU and Problem ticket resolution Participate/lead deep dive investigations/priority escalations, e.g., latency, MTU, speed test performance, etc. Support continuous and proactive implementation of the necessary measures to maintain a secure and stable IP network to mitigate risks of service outage on Three Irelands critical business services. Perform regular failover/resilience testing and audit/clean-up activities, e.g., redundant/invalid firewall rules and disused network config. Plan/deploy routine preventive and corrective maintenance changes, e.g., software upgrades Prepare deployment plans and implement changes (incident, project or preventative maintenance) on the IP Network, ensuring adherence to Three Ireland's processes and guidelines, e.g., Change Management, Operational Readiness, Acceptance into Service. Work in close alignment with the IP Design team and IP Performance Consultant in providing Operational input for project and performance related HLD/LLD/MOP documentation. What else it involves FTR implementation through effective testing & peer reviewing Ensure effective monitoring through appropriate KPIs has been implemented Produce and maintain high quality reference documentation including topology diagrams Participate in decommissioning activities that will allow obsolete IP configs, firewall rules, switch interfaces and IP devices to be disabled/removed Contributing to operational readiness review (ORR) for acceptance into Operational service Engaging technical vendors for fault fixing to ensure cases are raised with the appropriate priority to ensure timely updates, root causes and resolutions in line with contracted SLAs Working closely with the InfoSec Team to ensure the IP Operations deliverables meet the Security Policy Ensuring that EOL (End of Life) risks are accurately represented and maintained in the IP Risk Register Remaining abreast of current and emerging industry trends and best practices; identifying opportunities for operational efficiencies and make recommendations for improvements Fostering a strong working relationship with IP Operations Front Office, IP Design, IP Performance, and other operational and design teams (IT, Core, RAN, Service Delivery, Data Centre) Acting as a role model and providing direction and leadership to other engineers within the IP Operations Back Office Team Drive technical workshops and knowledge transfer sessions to socialise IP changes, solutions, and innovations to the IP Networks Teams The skills we are looking for A Degree in Computer Science or Engineering and/or a minimum of 4 years of proven experience within a Telco or Service Provider environment CCNP or higher qualification Must have a strong Cisco and/or Juniper background with LAN/VXLAN/WAN/SDWAN/WIFI experience Proven experience with Security solutions such as Firewall, IDS/IPS, URL Filtering is preferrable Must have proven experience of L2/L3 protocols and technologies, such as MPLS, IoT, BGP, OSPF, RIP, IPSec, VoIP, VXLAN, QoS, 802.1Q/QinQ, MTU, Ethernet, xDSL, Wireless Leased lines, Cellular technologies 3G/4G/5G and Overlay solutions (SDWAN) Experience in load balancing technologies Experience in scripting, e.g., Python, API development and Git workflows, along with hands-on knowledge of Configuration Management and deployment tools such as Ansible Experience with Cloud solutions such as AWS and/or AZURE beneficial Strong operational awareness and understanding of the impact of network change on the Customer base Proven experience of delivering small/medium IP network solutions. Ability to work efficiently as a team player and contribute to team effectiveness Experience in presenting to both technical and non-technical audiences Outstanding relationship management skills with an ability and willingness to work with, spearhead and influence people at all levels across the organisation Highly motivated candidate who is willing to go the extra mile to achieve high quality outcomes High level of flexibility, willingness to learn and develop both alone and as part of a team 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 (2/3 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 tools such as LinkedIn Learning Free on-site parking You may think you know us, but we're full of surprises. Intrigued? Join us and Be Phenomena l. 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