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 RAN Performance & Capacity Manager
The RAN Performance & Capacity Manager will be a key member of the RAN leadership team and will be responsible for the integrity and quality of the Three Ireland Radio Access Network. The objective is to protect customer experience on the network and to ensure that robust processes are in place to monitor, analyse and optimise voice and data services.
The role is a hands‑on technical role requiring a thorough understanding of RAN performance, capacity and load management, optimisation methodologies and data analytics. It also requires outstanding technical aptitude, customer focus and a mindset of ownership and accountability.
The RAN Performance & Capacity Manager will closely work with teams across the wider technology group to ensure class‑leading performance for Three Ireland customers.
What else it involves:
* Working as part of the RAN Management Team to shape and lead the development of a best‑in‑class Radio Access Network
* Manage, lead, and develop a team of RAN subject matter experts in the areas of RAN Performance, Capacity and Optimisation
* Ownership of all RAN KPI reporting processes, KPI management, and delivery of clear performance reporting through a range of channels and reporting systems
* Management of all daily, weekly, monthly, and quarterly KPI analysis, from daily Top N / worst offending cell analysis to broader long‑term network trending
* Development and management of an online performance management framework to provide clear reporting on network traffic, load, integrity, and mobility at multiple levels of granularity
* Lead investigations into degraded KPIs and develop action plans to address issues encountered on the network
* Ownership of all drive test data collection & analysis campaigns
* Management of all network benchmarking projects with a focus on ensuring Three Ireland achieves and maintains higher levels of performance over competitors in the market
* Lead the movement towards use of Self Optimising Networks and manage the implementation of SON policies on the network, including use of AI / ML models and correlation of network data with customer insights, including crowd sourced data
* Deliver a structured methodology for regional & local optimisation projects through a blend of parameter optimisation and physical site optimisation
* Management of capacity and congestion at all levels of radio access network
* Identification of sites requiring upgrades based on customer impact and business impact metrics such as user congestion hours, AMPU & Churn per site
* Work closely with RAN Equipment & Software Suppliers to ensure best practices and latest capabilities are implemented on network
* Maintain a thorough understanding of industry trends and the evolution of network architecture as defined by 3GPP
The Skills we are looking for:
* Outstanding technical ability and extensive experience in RAN engineering, performance, capacity & optimisation across GSM, UMTS, LTE and 5G NR networks
* Strong people management skills, ability to mentor and develop team members and the drive to set high standards and develop a culture of achievement and high performance
* Outstanding relationship management skills with an ability and willingness to work with, lead and influence people at all levels across the organisation
* Excellent communication skills, confident and assured in communicating network plans and strategy at functional and management level
* Solution‑orientated approach – focused on solutions and not on problems
* Strong operational awareness and understanding of the impact of network change on the customer base
* Adaptability and flexibility – effective in dealing with changing technology priorities and targets
* Highly analytical – excellent problem‑solving capabilities
* Energetic, enthusiastic and the ability to motivate and engage team members
* Effective in working with different corporate cultures and can modify approach and style to obtain cooperation and commitment and resolve potential conflict
* Experience in managing multiple technology vendors
* Strong commercial acumen and ability to negotiate with suppliers
* Strong understanding of Enterprise Agile ways of working
The Individual
* Takes personal accountability & is willing to go the extra mile to achieve high quality outcomes.
* Organised and process orientated
* Ability to mentor and lead
* Highly analytical with good problem‑solving skills
* Energetic and motivated.
* Outstanding customer focus
* Focuses on quality and accuracy
Benefits of Working at Three
* Flexible working with our new Hybrid model – employees can work from home and from 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, subsidised 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 Phenomenal. 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 or civil status. We want our teams to reflect this variety.
If you require reasonable adjustments at interview, please let us know when scheduling your interview, or alternatively please email
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