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. Three Ireland is looking for a highly motivated and experienced IP engineer to join their IP Operations Back Office team.

Join us, as an IP Operations Engineer 

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 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.

What else it involves

• Investigate and 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 support 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/direct 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.
• 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 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're 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, lead and influence people at all levels across the organisation
• Highly motivated person who is willing to go the extra mile to achieve high quality outcomes
• High level of flexibility, willingness to learn and develop themselves, and develop 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 (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 Coursera 
• Free on-site parking 

There’s a lot more to us than meets the eye.
You may think you know us, but we’re full of surprises. Intrigued? Join us and Be Phenomenal. 
Apply now at: https://www.three.ie/careers #Jobs 

At Three, we are committed to diversity and inclusion. As Ireland’s largest mobile telecommunications provider, we provide a better connected life for our diverse customer base, and want our teams to reflect this. We welcome and celebrate all identities and strive to create a culture of belonging where employees can thrive as their authentic selves. If you do not ‘tick every box’ in this job description, you likely have other valuable skills that would make you a great fit for one of our teams. If you feel this role is for you, then please apply! #Jobs

If you require reasonable adjustments for your interview, please let us know when scheduling your interview, or alternatively, please email aoife.omeara@three.ie Apply now at Three, a Phenomenal career awaits!