Senior Enterprise Solution Architect in London

Who are we? At Ensono, our purpose is to be a relentless ally to our clients — disrupting the status quo and enabling them to Do Great Things. As a trusted technology adviser and managed services provider, we partner with organisations to navigate continuous change and unlock value through modernisation and innovation. Our services span private and public cloud, infrastructure and datacentre transformation, data, identity & access management, mainframe, Power systems, application modernisation and cloud‑native platforms. Headquartered in the US and backed by private equity, Ensono continues to grow year‑on‑year, with a strong and expanding presence across the UK and Europe. We work with some of the most complex and demanding organisations, helping them deliver meaningful, large‑scale transformation.

About the role We are looking for a high‑impact Senior Enterprise Solution Architect to play a pivotal role in Ensono’s continued growth and success. Working closely with our New Client Engagement Directors, Consulting Leaders, and Sales teams, you will support the shaping and securing of strategic, enterprise‑scale technology transformation engagements. This role sits at the intersection of business strategy, technology architecture, and complex deal shaping, supporting our largest and most strategic opportunities. You will work with our clients’ senior business and IT stakeholders to shape enterprise transformation propositions, ensuring alignment to business objectives, operating models, and long‑term value creation. Success in this role comes from building trusted relationships, influencing senior decision‑makers, and helping close complex, high‑value transformation programmes within multi‑stakeholder environments.

What you’ll be doing:

• Engage with clients to understand business strategy, operating models, capabilities, and value drivers.
• Gain clients’ confidence as a trusted advisor by offering consultation and recommendations drawn from insights, technology know‑how and past experiences.
• Lead strategic pursuits as the Enterprise Solution Architect covering full scope of services and solutions.
• Create win‑win solutions for both client and Ensono as part of the deal qualification, pursuit, and execution process.
• Lead and shape bids, RFIs, RFPs, and strategic proposals, bringing enterprise‑level architectural insight and credibility.
• Partner with sales, consulting, engineering and delivery to define and execute pursuit, solution, sales and delivery strategies for enterprise clients.
• Develop and document solutions that meet client’s (technical and business) requirements and allow them to adapt to changing industry needs with a focus on transformation efforts.
• Present technical solutions and business cases to a wide variety of internal and external audience.
• Drive stability and innovation within the client’s current and future state and create solutions based on client requirements and Ensono’s service portfolio.
• Help build the commercial construct and pricing for large infrastructure managed services, cloud transformation and applications modernisation deals.
• Work with Finance, Sales, Product, Operations, Legal, and other internal stakeholders to deliver client proposals, commercial constructs, and contract materials.
• Lead and support client negotiations, ensuring T&Cs alignment and solution risk mitigation.
• Advise Ensono senior leadership on technical, commercial and competitive considerations to support decision making at deal review checkpoints.
• Represent Ensono at external industry conferences and events, strengthening market presence, thought leadership and client credibility.

What you’ll bring to Ensono:

• Significant experience working as an Enterprise Solution Architect, Lead Architect, or equivalent senior solutioning role.
• Proven ability to align technology strategy with business outcomes, transformation goals, and operating models.
• Experience designing and governing solutions across: Cloud, infrastructure, datacentre and hybrid platforms; Applications, data, and integration; Security, risk, compliance, and non‑functional requirements.
• Broad knowledge of managed services, infrastructure, datacentre and transformation solutions without dependency on a single vendor.
• Experience leading and supporting large‑scale transformation, modernisation, or migration programmes.
• Strong understanding of security, resilience, availability, and regulatory requirements.
• Confidence operating in complex, ambiguous, and multi‑stakeholder environments.

Additional Experience That Will Set You Apart:

• Experience working in consulting or client‑facing environments.
• Familiarity with ITIL service management concepts.
• Understanding of modern engineering and delivery practices (e.g. DevOps, automation, CI/CD).
• Knowledge of data platforms, analytics, and emerging technologies (e.g. AI) at an architectural level.
• Experience in regulated or complex enterprise environments.

Skills & Attributes for Success:

• Excellent stakeholder management and communication skills, including engagement at senior and executive levels.
• Strong analytical and problem‑solving capability.
• Ability to balance strategic thinking with practical, deliverable solutions.
• Confident facilitator and presenter, able to challenge thinking constructively.
• Strong empathy, self‑awareness, highly collaborative, with the ability to influence without authority.
• Business and customer‑oriented player with strong team orientation.
• Organised, adaptable, and able to operate across multiple workstreams.

What we offer you:

This role offers the opportunity to operate at the highest levels of enterprise architectural influence, shaping strategy‑led transformation for complex organisations across the UK and Europe. As an Enterprise Solution Architect at Ensono, you will work upstream of delivery — partnering with senior business and technology leaders to define solutions, and pragmatic transformation roadmaps. You’ll be trusted to challenge constructively, bring architectural clarity to ambiguity, and steer commercial outcomes that balance long‑term strategic intent with real‑world execution. We actively support your professional growth — whether that’s deepening your portfolio of knowledge, expanding your influence in complex client environments, or contributing to our wider community through mentoring, thought leadership, and shared learning. Above all, Ensono offers a place where experienced Enterprise Solution Architects can do their best work, build long‑term credibility, and leave a meaningful legacy.

Our benefits:

Our rewards and benefits are designed to reflect the seniority, accountability, and professional standing of Enterprise Solution Architects, aligned with leading UK firms. They support not just performance today, but sustained success and wellbeing over the long term:

• Highly competitive salary, aligned to enterprise‑level responsibility.
• Company equity participation, enabling you to share in Ensono’s long‑term growth.
• Annual President’s Club and recognition programmes that reward impact and contribution.
• 27 days annual leave plus bank holidays, increasing to 30 days with length of service.
• Half‑day leave for your birthday.
• Dedicated study leave and active investment in certifications, professional development, and architectural learning.
• Sabbatical opportunities at 5 and 10 years’ service.
• 1 paid charity day each year.
• Competitive pension scheme.
• Private healthcare for you and your family.
• Enhanced parental leave and flexible, family‑friendly policies.
• Life assurance and income protection.
• Coaching and mentoring, including access to senior architectural and consulting leaders.
• A wide range of wellbeing and lifestyle benefits, including gym discounts, cycle‑to‑work scheme, Employee Assistance Programme (EAP), and more.