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Network Solution Architect




Three Ireland

Date added




Job Description:

Network Solution Architect

Here at Three, we've done things differently since day one.

We take the script and rip it up, we're a big-hearted energetic bunch, striving for a better connected life. The energy of our people, the pace at which we operate, and the thrill of making bold moves is exhilarating and addictive. Magic happens when we power the connections that millions value, and you can feel it... When these things combine, phenomenal things happen.

We encourage our employees to face their weaknesses, to really open themselves up to new challenges and projects in a super-charged and rich learning environment. We want you to become the best version of yourself.

Join us as a Network Solution Architect

This position is responsible for the strategy, architecture, and evolution of Core Network Architecture & services in the Three Core Network.

Three is currently evolving to a fully virtualised core network, expanding our ICT portfolio, and strengthening our offerings across Voice, Data & IoT. With the introduction of 5G, customisation of the core network (slicing) will become much more central to our product offerings in Commercial, Business and Wholesale.

A key success factor will be strategic direction provided by the Network Solutions team, in terms of overall network architecture and feature roadmap, along with ensuring fast time to market and an efficient operating model for the introduction of Next Generation Voice & Data Services, in addition to the onboarding of new IoT customers and the delivery of new technologies & solution in line with customer & market expectations (e.g. Nb-IoT, LPWAN, MTC, etc.)

The Network Solution Architect will be responsible for the strategy, architecture & design in the Voice/Data/IoT domain, working in a cross functional team across the Core & IP estate, driving agile and effective ways of working with the ability to interface with the rest of the organisation in simple and efficient manner. This will be coupled with innovative ways to automate and scale our network as we expand.

What else it involves

Building, maintaining, and communicating a roadmap detailing the strategic view for the development of Three Ireland's Network covering Voice, Data & IoT.

Work very closely with the IP and Core Networks Design teams to build this consolidated roadmap, alongside the Business team responsible for the products being brought to market.

The role encompasses all aspects of the technical delivery of solutions from requirements capture and support of vendor selection, to producing the E2E High Level Solution Design.

Working closely with the vendors, you will be a key point of contact for governance in ensuring the deliveries are fit for purpose and meeting requirements, and in ensuring not only the delivery, but the operational running of the solution is of the levels expected.

Governance of the design and implementation of all changes within the Networks area, which will involve working in a cross functional virtual team.

Setting the strategy for how we will evolve the Networks estate as we deliver new Voice, Data & IoT services

Driving initiatives regarding improvements to existing tools & processes

Working with the Technology Security team to ensure our Network is built securely

Responsible for oversight on the Optimisation, Capacity and Performance Management across all applicable new services

Lifecycle & Risk Management as applicable across new products and services

Provide input into the Networks Capex and Opex budget as part of roadmap management for purposes of portfolio planning

Working closely with other teams within the Technology Directorate to ensure a coherent delivery of network and services within the company

Strong ability to communicate technologies and their relevance to other parts of the business.

Strong ability to understand business needs and translate these into technology deliverables.

Management and oversight of technology strategy, encompassing roadmap planning & budgeting

Remain abreast of current and emerging industry and technology trends and best practices

Identify opportunities for operational efficiencies and implement improvements

Management of outsourced service partners in the IoT space, ensuring efficient project solutions & delivery regarding time quality and cost.

Provide solution design support for all Enterprise solutions (IoT, Core, IP) & leverage all opportunities to support our customers and drive service differentiation across Core, VAS & Service Layer.

Solve end-to-end design challenges that have significant interaction between multiple systems or domains through leadership & collaboration.

Ensure Service designs consider the solution end-to-end , including: Handset, Radio, Core Network, VAS, Service Layer, IT systems, Capacity Planning and Service Assurance

Ensure Architecture designs are of a high quality by applying best design practices; ensuring solutions are simple, cost effectiveness, performance and scalable

Produce functional specifications to support new service requirements, Champion re-use of existing capabilities where appropriate

Provide active involvement, and drive vendor selection processes for Networks requirements where applicable via RFI/RFQ/FRP

Provide on-going technical management of 3rd party vendors to ensure technical solutions are in alignment with the end-to-end architecture and roadmap

Provide technical consultancy to the business, contributing innovation to the technical and marketing roadmap and strategy

Support the business in assessing the technical feasibility and end-to-end impact of new revenue or cost saving opportunities

Keep abreast of new technical developments. Generate new ideas and concepts for mobile services which may be appropriate to the business

The skills we are looking for

Ability to implement organisational and operational change in an effective manner.

Previous experience as a solution architect or designer in Core Networks

Track record in driving through design deliveries in a complex and ever-changing environment

Experience with specification and design of Core & IP technology - exposure of deploying solutions and delivering features.

Experience of delivering customer facing services and solutions.

Comprehensive experience in a telecoms/IT design role.

Excellent leadership and influencing skills

Excellent working knowledge of EPC/IMS/LTE architecture, interfaces and technologies

Good working knowledge of 3GPP, IETF and GSMA standards and architectures

Experience of working in adherence with TOGAF/AGILE/ITIL frameworks & principals.

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 in Dublin or Limerick (2/3 days per week office based)

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

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:

Three Ireland is proud to be an equal opportunities employer. We are committed to equal employment and growing a diverse workforce. We embrace those of any race, colour, gender identity, age, ancestry, religion, disability, sex, marital status, national origin, citizenship, or sexual orientation; and we want our teams to reflect this!


Permanent / Full-time

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