Network Test Engineer IP

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 youll get to be part of a team at the foundations of the transformation of our business. Who knows what the next innovation will be Thats what makes a career at Three so exciting.

Since we set foot in Ireland weve 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 were 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 Test Engineer (IP)
This position resides in the Three Ireland Networks Test Team; a team which is accountable for ensuring the delivery of all Mobile Core Network (MCN) testing (Voice Messaging & Data Services RAN IP Service Control and VAS). The primary focus of this role is managing the Test Lab IP and Tooling environment ensuring stability and availability to support testing across the MCN.

As a Network Test Engineer you will work alongside a team of experienced engineers tasked with the continued evolution of the Three Ireland mobile network. Collaboration with multi-disciplinary experts across network design solutions & operations with the goal of delivering first class customer experience on voice data & messaging services.

The Network Test Engineer position reports to the Networks Test Manager and offers the successful candidate a fantastic opportunity to learn and develop rapidly within a fast paced dynamic environment with exposure to a full end-to-end mobile network.

The suitable candidate will have a strong background in IP Networks combined with a solid understanding of testing frameworks and principles.

As a Test Engineer you will be hands-on across a wide range of Network equipment and technology contributing to a wide array of solution introductions and existing mobile network validations:

• Support deployment and integration of telecom network elements servers and virtualized environments within lab and datacentre infrastructures.
• Manage and maintain network test tools and traffic generation platforms used for validation performance and interoperability testing activities.

• Perform configuration troubleshooting and optimization of Layer 2 and Layer 3 networking protocols including VLANs OSPF BGP MPLS VRRP and QoS.
• Monitor and troubleshoot network connectivity latency packet loss routing issues and service availability across test and production-like environments.
• Maintain the physical datacentre and lab network environment including rack installation structured cabling patching power management and hardware inventory tracking.
• Coordinate physical setup and connectivity for testbeds traffic simulators packet capture systems and telecom validation platforms.
• Collaborate with RAN Core Security and Systems Engineering teams to support end-to-end testing and network integration activities.
• Develop automation scripts and tools for configuration backup monitoring and test environment management.
• Produce technical documentation network diagrams operational procedures and test environment reports to support engineering and operational activities.

The skills were looking for

• The successful candidate should be competent in all aspects of networking across both physical and virtualised platforms. They must be motivated and driven with a proven ability to work in both a team environment and autonomously.
  Educated to degree level in an Engineering / Telecommunications discipline or equivalent experience
• Strong knowledge of IP networking concepts and protocols including TCP/IP VLANs OSPF BGP MPLS NAT VPNs and QoS. (Minimum CCNA or equivalent)
• Hands-on experience configuring and troubleshooting enterprise or telecom-grade routers switches and firewalls from vendors such as Cisco Juniper or Fortinet.
• Experience managing network test tools traffic generators packet capture solutions and lab validation platforms.
• Familiarity with datacentre infrastructure including structured cabling rack layouts power distribution hardware installation and environmental considerations.
• Ability to troubleshoot complex network performance and connectivity issues using tools such as Wireshark iPerf tcpdump and network monitoring platforms.
• Experience with Linux systems virtualization technologies and containerized environments used in telecom or cloud-native deployments.
• Strong analytical organizational and communication skills with the ability to manage both logical network operations and physical lab/datacentre environments.

Nice to Have:

• Knowledge of Mobile Core and RAN Network architectures
• Knowledge of network automation and scripting using Python Bash or Ansible for configuration and operational efficiency.
• Linux System Admin experience
• Project and Design lifecycle understanding
• Applicable security qualification (CompTIA Security or equivalent)

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
  
  

Theres a lot more to us than meets the eye.
You may think you know us but were full of surprises. Intrigued Join us andBe Phenomenal.
Apply now at: #Jobs

At Three we are committed to equity diversity and inclusion. As Irelands 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 Apply now at Three a Phenomenal career awaits!

Required Experience:

IC