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Senior Service Designer SC​/DV Cleared

Job in Milton Keynes, Buckinghamshire, MK1, England, UK
Listing for: Costello & Reyes Group Limited
Full Time position
Listed on 2026-01-06
Job specializations:
  • IT/Tech
    Systems Engineer, IT Consultant
Job Description & How to Apply Below

Costello & Reyes Group Ltd has been engaged by its client, an international consulting firm, to identify a Senior Service Designer for a 3 month initial period based in Milton Keynes. This engagement, if performed well, WILL extend past this point.

YOU MUST HOLD DV OR SC CLEARANCE!

Responsibilities
  • Design and deliver high-quality service designs:
  • Create end-to-end service designs that meet both user and business needs across the full service life cycle.
  • Produce clear, detailed, and reusable design artefacts, including service blueprints, customer journeys, and design specifications.
  • Contribute to defining service models, SLAs, OLAs, and underpinning contracts, ensuring alignment with technical, operational, and security requirements.
  • Ensure service designs are secure, scalable, resilient, and cost-effective, aligning with enterprise architecture and ITIL best practices.
  • Support service architecture and standards:
  • Develop and maintain service design packs (SDPs) and supporting documentation to enable smooth transition and operational readiness.
  • Apply agreed design standards, templates, and processes to ensure consistency and quality across services.
  • Support the development and continuous improvement of shared design artefacts and tools within the Service Design function.
  • Collaborate and contribute to delivery:
  • Work closely with Service Owners, Product Owners, Architects, and delivery teams to capture requirements and translate them into practical, supportable service designs.
  • Participate in design reviews and assurance activities, presenting designs and incorporating feedback to achieve desired business outcomes.
  • Engage with suppliers and partners to validate service components, dependencies, and integration points.
  • Manage risk, compliance, and change:
  • Identify and document design risks, recommending mitigation actions and ensuring traceability throughout the service life cycle.
  • Apply security and compliance standards in line with government and organisational policies.
  • Support change and transition activities to ensure new or updated services are ready for live operation.

This is an immediate need, so if you are interested, please submit your profile. Costello & Reyes Group Ltd operates as a recruitment partner for its clients.

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Position Requirements
10+ Years work experience
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