Principal Cloud Architect

Webhosting; Greater London; Hybrid; GBP 110,000 - 150,000; Full time

Job summary

Telefónica Tech UK&I is seeking a Senior Cloud Architect to lead complex cloud transformations and strategic bids. You will act as a design authority, shaping enterprise cloud solutions and advising senior customers on strategy and risk across Azure and AWS.

The role spans presales and delivery, with responsibilities for governance, reference architectures and mentoring the team, aiming to deliver secure, scalable, and commercially viable outcomes.

Qualifications

• Proven experience in leading cloud architecture initiatives.
• Strong ability to translate business needs into secure, scalable cloud designs.
• Experience advising senior stakeholders on cloud strategy and roadmaps.

Responsibilities

• Lead the cloud architecture strategy for strategic accounts, major bids and RFPs.
• Act as delegated design authority for high‑value cloud engagements.
• Shape enterprise cloud solutions across Azure, AWS, landing zones, migration, modernisation, security and governance.
• Translate complex business requirements into secure, scalable architecture recommendations.
• Provide programme‑level architecture direction across multiple projects and dependencies.
• Assure designs align with presales, programme architecture and delivery outcomes.
• Advise senior stakeholders on cloud strategy, transformation roadmaps and risk.
• Collaborate with commercial, portfolio, engineering and delivery teams to improve solution viability.
• Support Architecture Review Board activities for strategic engagements.
• Develop reusable reference architectures, design patterns and accelerators.
• Mentor Cloud Solution Architects to improve design quality.

Skills

Cloud architecture

Leadership

Presales support

Governance

Tools

Azure

AWS

Job description

Not specified Full-time Senior Operations

Job Description

Principal Cloud Architect
UK

Why This Role?

This is a senior technical leadership opportunity for an experienced cloud architect who wants to shape major cloud transformations, strategic bids and complex customer solutions.

You will act as a delegated design authority across high-value and high-risk engagements, ensuring cloud solutions are secure, scalable, commercially viable and deliverable.

Working across presales and delivery, you will influence architecture strategy at engagement level, advise senior customers and improve architecture capability across the wider team.

What You’ll Be Doing

• Lead the cloud architecture strategy for strategic accounts, major bids, RFPs and complex transformation programmes.
• Act as a delegated design authority for high-value, high-risk or technically ambiguous cloud engagements.
• Shape enterprise cloud solutions across Azure, AWS, landing zones, migration, modernisation, security, resilience, governance and FinOps.
• Translate complex business requirements into secure, scalable, supportable and commercially viable architecture recommendations.
• Provide programme-level architecture direction across multiple projects, workstreams and technical dependencies.
• Assure complex solution designs and ensure alignment between presales commitments, programme architecture and delivery outcomes.
• Advise senior customer stakeholders on cloud strategy, transformation roadmaps, architecture options and technical risk.
• Work with commercial, portfolio, engineering and delivery teams to challenge assumptions and improve solution viability.
• Support architecture governance, design reviews and Architecture Review Board activity for strategic engagements.
• Develop reusable reference architectures, design patterns, accelerators and architecture guidance.
• Mentor Cloud Solutions Architects and Senior Cloud Solutions Architects, improving design quality and consistency across the team.
• Identify opportunities to use automation and AI to improve architecture productivity, assurance and reusable solution development.

Why This Opportunity Stands Out

Telefónica Tech(part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities.

We serve more than 5.5m customers everyday in over 175 countries, with a global ecosystem of market-leading partners. Global strategic hubs: Spain, Brazil, the UK, Germany.

The Telefónica Tech UK&I hub has an end- to-end portfolio of market leading services and develops integrated technology solutions to accelerate digital transformation through: Cloud, Data & AI, Enterprise Applications, Workplace Services and Cyber Security & Networking.

Values:Open, Trusted and Bold

• HPE:Platinum Partner – FY23 UK&I Solution Provider of the Year
• Fortinet:Elite VIP Program – one of only 2 in the UK
• Palo Alto & Crowdstrike:part of our NextDefense Cyber Security Portfolio