Job Description

Role Introduction:
At OneAdvanced, we provide the software and services that help UK organisations operate with efficiency, resilience, and confidence. Our products enable customers across sectors to focus on what they do best -- from delivering frontline care to running essential public and commercial services.
To ensure our customers succeed, we are committed to delivering consistently excellent implementations and service experiences. As we continue to scale our SaaS offerings, robust, repeatable service architecture is central to our strategy.
We are seeking a highly experienced Principal Services Architect to lead the governance of implementation design standards across OneAdvanced's product portfolio. This is a strategic, high-impact role focused on ensuring our delivery models are scalable, efficient, and aligned with best practices.
As the Principal Service Architect, you will be responsible for a subset of products, aligned to our go forward operating categories (Health & Care, Education, Workforce Management, Legal and Finance, Spend and Governance, with responsibility to define and maintain our "Gold" and "Silver" Build standards, guide implementation approaches in line with packaged, prescriptive deployment methods, and work closely with Product, Engineering, Delivery, and Value Creation teams to ensure implementation design decisions directly support successful customer outcomes. You will also support our Sales team as appropriate with complex sales proposals. What You Will Do:
Working with our packages team, you will own and evolve service design frameworks and delivery standards across OneAdvanced's portfolio, ensuring they support repeatable, scalable, and customer-centric implementation.
Develop and maintain Gold and Silver Build models for each product category, setting clear standards for configuration, integration, and deployment.
Serve as the subject matter expert and strategic advisor on service and implementation design during customer implementations and product launches.
Collaborate closely with cross-functional stakeholders -- including Product, Engineering, Professional Services, and Customer Success -- to align implementation approaches, with platform, security, architecture, and with business objectives and client needs.
Identify opportunities for standardisation and efficiency improvements across delivery teams.
Support the enablement of delivery teams through documentation, coaching, and design review processes.
Stay current with SaaS trends, technologies, and delivery methodologies to ensure architectural decisions reflect industry best practice. What You Will Have:
Significant experience in service design, solution architecture, or a similar lead role within SaaS or technology services.
Deep expertise in cloud-based implementation models and service operations.
Deep Domain knowledge, with expertise in products within our priority product categories
Strong experience defining and implementing scalable delivery frameworks across complex product portfolios.
Ability to balance standardisation with flexibility to meet varying customer and product needs.
Strategic thinking combined with practical execution skills.
Strong influencing and collaboration abilities, particularly in cross-functional environments.
Excellent documentation, presentation, and communication skills.
Ability to learn and upskill across a range of products to ensure you have suitable knowledge to advise and support cross functional teams
Desirable Qualifications
Experience in multi-product SaaS organisations with varied implementation models.
Experience with one or more OneAdvanced products and/or of one of our key target sectors.
Familiarity with frameworks such as ITIL, TOGAF, or similar.
Minimum 10 years experience in consulting or professional services delivery.
Degree in Computer Science, Engineering, or a related discipline. What We Do For You:
Wellbeing focused - Our people are our greatest assets, and ensuring everyone feels their best self to come to work is integral

• Annual Leave - 26 days of annual leave, plus public holidays and the ability to buy additional days
• Employee Assistance Programme - Free advice, support, and confidential counselling available 24/7 through Care First
• Endometriosis Friendly Employer - We are proud to confirm our commitment to developing an environment and culture that allows those with endometriosis to thrive in the workplace

Personal Growth - Regardless of where you are at in your career, we're committed to enabling your growth personally and professionally

• Development Programmes - From Future Managers to Leadership Training, our development programmes help you get where you need to go
• Performance Bonus - Our Group-wide bonus scheme enables you to reap the rewards of your success

Financial wellbeing - We understand as well as your mental wellbeing, your financial wellbeing is really important

• Pension Scheme - Our plan with Scottish Widows offers 5% matched contribution by the company
• Income protection insurance - Providing you with support and assistance when you need it most

Recognition - Highlighting and rewarding the great work our people do

• Performance & Talent - Our own technology platform that allows you to get real-time feedback, conversations and goals to help you become your best self

Making a Difference - we provide opportunities to help our people make a difference to the causes they care about

• MatchIt! - Fundraise for a cause close to your heart and OneAdvanced will match part of the funding
• Volunteering Time - Our volunteering leave scheme allows you to use your time to help those who need it
• Pennies from Heaven - donate the pennies from your pay check to help make a difference without lifting a finger