What You Will Do
As a Principal Solutions Architect, you'll become a trusted technical advisor to both customers and internal stakeholders, helping shape solution strategy from discovery through to successful handover.
You'll
Design end-to-end solution architectures that address customer business challenges.
Lead technical discovery workshops to understand customer environments, priorities and long-term goals.
Translate business requirements into practical, scalable solution designs.
Create high-quality infrastructure diagrams, technical documentation and solution artefacts to communicate architecture designs clearly to customers and internal teams.
Work closely with Sales, Product Management, Engineering and Professional Services to create winning customer outcomes.
Advise customers on cloud architecture, integrations, APIs, data flows and solution best practice.
Navigate complex existing technology landscapes, identifying opportunities to modernise and simplify.
Support technical responses for bids, tenders and customer presentations.
Stay current with emerging technologies and industry trends, bringing fresh ideas that strengthen our customer propositions.
Mentor colleagues and contribute to architectural best practice across the wider Solutions function.
What You Will Have
We're less interested in titles and more interested in your ability to solve complex technical problems.
You'll likely bring
Experience working as a Solutions Architect, Technical Architect or similar customer-facing architecture role.
A passion for designing scalable SaaS and cloud-based solutions.
Strong understanding of enterprise application architecture and system integration.
Experience working with REST APIs, JSON and modern integration patterns.
Confidence communicating technical concepts to both technical and non-technical audiences.
The ability to lead customer workshops and build credibility with senior stakeholders.
A collaborative approach and enjoyment of working across multiple teams.
It would be great if you also have experience with
AWS or other public cloud platforms.
Integration platforms and middleware technologies.
Financial, ERP, procurement or business management software.
Highly regulated sectors such as Healthcare, Public Sector or Education.
Most importantly, you'll be someone who enjoys learning, asks great questions, embraces new technology and wants to continue developing as an architect.
Please note, applicants must have the legal right to work in the UK at the time of application.
What We Do For You
Wellbeing that means something
26 days’ holiday + bank holidays (and the option to buy more) plus 1 paid volunteering day every year
Exceptional family leave, 26 weeks fully paid maternity/adoption, 4 weeks fully paid paternity, 22 weeks fully paid shared parental leave, plus 5 days paid bereavement leave
Robust sick pay of up to 13 weeks full pay + 13 weeks half pay
24/7 Employee Assistance Programme for confidential support
Private medical insurance for everyone, no medical-history exclusions
Financial benefits that have your back
Performance-based rewards tailored to your role, from company-wide bonuses to OTE and commission structures
Income protection: up to 75% salary for 5 years if you ever need it
Pension with 5% matched company contributions
Life assurance worth 4x your salary from day one
Free financial planning session with the option to engage in more tailored financial coaching.
Grow your career with us
SkillsHub learning platform with leadership pathways, future-manager training, and a huge online library
Access to external training and apprenticeships
Making a Difference
MatchIt! Fundraise for a cause close to your heart and OneAdvanced will match part of the funding
Pennies from Heaven donate the pennies from your pay check to help make a difference without lifting a finger
Plus plenty other flexible benefits to suit your lifestyle on our RewardHub, including:
ULEV car scheme with 1,000+ models
Dental insurance, Health Cash Plan, Critical Illness Cover, Partner Life Cover, Health Assessment, Gym Membership
Who We Are
At OneAdvanced, we are at the forefront of delivering sector-focused technology solutions that simplify complexity, drive meaningful progress, and help build a fairer, more inclusive society.
We’re much more than a software company. We deliver SaaS workflow applications and IT services that power organisations across Education, Government, Healthcare, Legal, Manufacturing, Housing, Retail, and more.
OneAdvanced is one of the UK’s largest business software and services companies. Based in Birmingham (The Mailbox), operating across the UK, Ireland, India, and Australia.
Our secure, scalable platform, including OneAdvanced AI, our private AI service for UK organisations, powers connectivity and innovation across critical sectors. Alongside our software are our IT services, including hosting, managed services, and application modernisation.
We strive to create an inclusive workplace that drives innovation and collaboration, championing diverse perspectives and ideas. Our Environmental, Social and Governance (ESG) strategy is embedded in everything we do, guiding us to create meaningful impact for our people, our customers and the planet.
Proud to be recognised in the Financial Times’ Best Employers 2026 list for the second-year running, an independent and data led ranking based on employee feedback. Join us and become part of a team that’s powering the world of work and making a real difference.
Join us and become part of a team that’s powering the world of work and making a real difference.
Learn more at www.oneadvanced.com
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