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TBM Service Designer

Job in City of Westminster, Central London, Greater London, England, UK
Listing for: Onyx-Conseil
Contract position
Listed on 2026-03-11
Job specializations:
  • IT/Tech
    Data Analyst
Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Location: City of Westminster

TBM Service Designer

6 Month contract initially + Extensions. Based:
London/Hybrid - 2-3 days p/w onsite. Rate: £Market rates p/d (via Umbrella company).

We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a TBM Service Designer to join the team. The Service Designer will play a critical role in advancing the organisation's TBM (Technology Business Management) maturity by designing, refining and embedding the service, process, data and operating model components that enable transparent, reliable and actionable technology cost insights.

Key Responsibilities
  • 1. TBM Foundations & Strategic Alignment
    • 1.1 TBM Maturity Assessment & Survey
      • Lead the design and execution of maturity assessments at programme start and end.
      • Map findings into actionable design recommendations for scope, priorities and investment.
    • 1.2 TBO Vision & Strategy
      • Translate leadership goals into a clear narrative of how TBM enables decision making.
      • Produce strategic artefacts that define TBM's intended value, role and long term purpose.
    • 1.3 TBO Target Operating Model (TOM)
      • Design and document the TBM Target Operating Model, including roles, processes, accountabilities and handoffs.
      • Ensure the TOM supports BAU and future maturity growth.
    • 1.4 Operating Rhythm & Engagement Model
      • Define and formalise the cadence for TBM reporting, insights, actions and governance.
      • Create service blueprints that describe end to end TBM interactions across teams.
    • 1.5 Team Design & Capability Model
      • Identify the capabilities required to run TBM effectively.
      • Design initial team structures, role profiles and skill progression pathways.
    • 1.6 TBM Maturity Model & Value Framework
      • Develop a measurable TBM maturity model with criteria, scoring and progress markers.
      • Define the value framework to explain how TBM improvements translate into business benefit.
    • 1.7 Cost Recovery & Chargeback Enablement
      • Support early design of fair charging principles and service based attribution logic.
      • Document current and future state requirements for cost recovery and customer transparency.
    • 1.8 TBM Adoption & Engagement Enablement
      • Create materials, guides and artefacts to help teams start using TBM outputs in decision making.
      • Improve understanding of services, allocations and financial insights.
  • 2. TBM Process, Data & Model Improvement
    • 2.1 BAU Stabilisation & Automation
      • Support the design of stable TBM BAU processes.
      • Produce workflow maps and documentation for TBM run processes.
    • 2.2 Data Contracts & Integration Improvements
      • Facilitate agreements on critical data ownership.
      • Document data flows, integration points and required improvements.
    • 2.3 Data Quality Uplift
      • Map out data quality pain points and design improvements.
      • Work with data owners to define responsibilities, dashboards and remediation plans.
    • 2.4 Allocation Review
      • Help define defensible allocation methodologies.
      • Translate complex financial logic into clear narratives and diagrams used for explanation and governance.
    • 2.5 Modelling Enhancements
      • Identify model improvements based on user feedback and design service oriented enhancements.
      • Work closely with TBM analysts to ensure changes support clarity and decision making.
    • 2.6 Adoption & Training
      • Create intuitive guides, playbooks and training materials for TBM users.
      • Support onboarding and continuous education across the organisation.
Key Skills & Experience
  • Experience in TBM, ITFM, cost transparency modelling or service financial modelling (or willingness to rapidly skill up with learning in this area)
  • Strong background in service design, business design or operating model design.
  • Ability to translate complex financial and technical concepts into simple visual designs.
  • Experience facilitating cross functional workshops.
  • Strong analytical, process mapping and documentation skills.
  • Ability to work across Finance, Technology, Business Change and Architecture functions.
Desirable
  • Knowledge of Apptio, Service Now, CSDM or CMDB data modelling.
  • Experience designing capability frameworks or operating models.
  • Understanding of IT allocations, chargeback or service costing.
  • Experience in a large or regulated organisation.

This is an excellent opportunity on a great project of work. If you are looking for your next exciting opportunity, apply now for your CV to reach me directly; we will respond as soon as possible.

LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies. LA International welcomes applications from all sections of the community and from people with diverse experience and backgrounds.

Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector…

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