Sector: Public Sector / Government
Job Title: Head of Service Architecture
Type: Contractor
Location: London
Duration: 6 months initial with potential extension
Vetting: SC / DV security clearance or eligibility would suffice
Our government client is recruiting for a High level Service Architect to join their expanding team within an exciting secure government programme
.
The programme must establish not only the technical platform, but the enduring service model that allows it to operate safely, efficiently and at scale across government and partner organisation
s.We need a Senior Service Architect to lead service architecture design across the service workstream, with particular focus on operational readiness, service acceptance, transition into live service, support model design and supplier/service integratio
n.
Essential Ski
lls
Lead service architec
tureLead Service Architect or equivalent on a major digital, cloud, secure, defence, national security, regulated or large enterprise transformat
ion.Operational readiness and accept
anceDesigned readiness gates, operational acceptance criteria, runbooks, handover models and go/no-go evidence for products moving into live serv
ice.Service transition and dual
-runExperience transitioning from legacy to new services, including phased migration, pilots, early adopters, staged onboarding or dual-run operati
ons.Applied ITIL service manage
mentPractical ITIL-aligned process design across incident, problem, change, release, request, configuration, knowledge and service level managem
ent.Multi-tier/federated sup
portDesigned support tiers, escalation paths, service boundaries, RACIs and OLAs across internal teams, suppliers and partner/user organisati
ons.Secure/high-assurance con
textWorked in secure, regulated, defence, national security, critical infrastructure, public sector or similarly complex enterprise environments. UK SECRET experience is highly desirable, but not the only route
in.Supplier and SIAM integra
tionUnderstands multi-supplier models, retained organisation responsibilities, supplier handoffs, performance measures and operational governa
nce.Commercial/service proposition aware
nessUnderstands how service architecture connects to catalogue, service tiers, standard versus custom requests, supplier obligations, SLAs and cost-to-se
rve.Stakeholder leadership and deli
* veryCan work across senior, technical, operational, commercial, security, supplier and partner stakeholders, turning ambiguity into usable artefacts at p
ace.