Location: London
Salary: Up to £100,000

We are seeking an experienced Business Solutions Architect to join a high-performing team responsible for shaping and designing large-scale public sector managed services opportunities.

This role sits within a specialist solutioning and bid function, focused on developing compelling, deliverable service solutions for complex public sector programmes. The position plays a key role in opportunity shaping, service design, and bid leadership, ensuring solutions are commercially viable, operationally robust, and aligned with public sector procurement frameworks.

This is a business-led solution architecture role, centred on operating model design, service transformation, procurement alignment, and the development of high-quality bid responses.

Key ResponsibilitiesPublic Sector Opportunity Shaping

• Lead the qualification and shaping of public sector managed service opportunities, ensuring alignment with client objectives, procurement context, and organisational risk frameworks.
• Produce qualification papers, solution options, and strategic recommendations for internal governance forums.
• Interpret procurement documentation such as ITTs, SQs, DPS frameworks, and call-off mechanisms to inform solution strategy and bid approach.

Bid Strategy & Written Response Leadership

• Define and own bid strategy and win themes for public sector opportunities.

• Act as lead author and content owner for core solution sections of competitive bids, including:

  • Service delivery approach
  • Operating model design
  • Transition and mobilisation strategy
  • Transformation roadmaps
  • Social value and risk management

• Ensure responses are compelling, compliant, and aligned with evaluation criteria used within public sector procurements.

• Review and quality-assure content authored by contributors across the bid team.

Solution & Service Design

• Design end-to-end managed service solutions including:

  • Operating and governance models
  • Front, middle, and back-office service delivery models
  • Demand, workforce, and capacity planning
  • Transition, mobilisation, and service stabilisation
  • Transformation programmes aligned to policy and regulatory outcomes

• Ensure solutions are scalable, commercially viable, and compliant with public sector requirements such as transparency, auditability, and value for money.

• Clearly document solution assumptions, dependencies, risks, and mitigations.

Social Value & Public Policy Alignment

• Integrate social value propositions into service design and delivery models.

• Align solutions with public sector priorities such as:

  • Employment and skills development
  • Sustainability and environmental outcomes
  • Community and economic impact

• Ensure commitments are measurable, credible, and operationally deliverable.

Commercial & Contractual Contribution

• Work closely with commercial and finance teams to develop pricing models and cost narratives that support the solution.
• Contribute to the design of commercial constructs including fixed-price contracts, outcome-based models, gainshare arrangements, and service credit mechanisms.
• Provide solution-level insight into contractual risks, performance frameworks, and change mechanisms.

Leadership & Orchestration

• Coordinate subject matter experts across delivery teams and partner organisations to build integrated service solutions.
• Act as a senior leader within bid teams, setting direction, pace, and quality standards.
• Mentor colleagues in solution design, bid writing, and public sector procurement disciplines.

Governance & Delivery Handover

• Lead solution sign-off through internal governance processes.
• Ensure clear handover from bid to delivery, enabling successful mobilisation and service transition.

Skills & Experience Required

• Extensive experience designing public sector managed services or outsourced service solutions, ideally within complex or regulated environments.
• Proven track record leading solution design and bid writing for major public sector procurements.
• Strong understanding of public sector procurement frameworks, evaluation methodologies, and commercial models.
• Experience embedding social value and transformation outcomes into service design.
• Ability to translate complex service models into clear, persuasive written narratives for evaluation.
• Strong stakeholder management skills with the ability to influence senior leadership, partners, and governance boards.
• Experience mentoring and developing colleagues in solutioning and bid disciplines.