Service Architect - DV Cleared

Onyx-Conseil; United Kingdom; On-site; GBP 90,000 - 120,000; Full time

Job summary

Onyx-Conseil is seeking a seasoned Service Architect with active DV clearance to design end-to-end service solutions for complex IT environments and lead live service transitions. You will develop operating models, governance frameworks, and support strategies while ensuring service stability and resilience across multiple projects.

The role requires deep expertise in service management practices, service transition, and ability to produce concise technical documentation.

Qualifications

• Minimum 5 years' experience in Service Architecture or Service Management.
• Strong understanding of service management principles, methodologies, and best practice.
• Experience designing service operating models for large-scale IT environments.
• Strong knowledge of service supply chains and operational support models.
• Experience delivering service transition, operational readiness, and live service acceptance.
• Ability to produce clear, concise, and high-quality technical documentation.
• Experience managing service risks, governance, and operational dependencies.
• Strong stakeholder management with the ability to influence technical and business leaders.
• Experience leading virtual and co-located teams within fast-paced delivery environments.
• ITIL, ISO20000, IT4IT, or equivalent Service Management qualifications desirable.

Responsibilities

• Design end-to-end service solutions for low, medium, and high-complexity projects transitioning into live service.
• Develop service operating models, governance frameworks, and support strategies.
• Produce service acceptance criteria, operational support requirements, and transition plans.
• Define and contribute to SLA, KPI, service catalogue, and underpinning contract requirements.
• Conduct impact assessments of current operating models and design future service models.
• Define early life support requirements and facilitate service readiness activities.
• Identify and manage service-related RAID items, constraints, exclusions, and single points of failure.
• Design service processes, tooling integration, and supporting operational artefacts.
• Produce technical service documentation, build guides, work instructions, and operational procedures.
• Work closely with solution owners to ensure service stability, resilience, and operational efficiency.

Skills

Service Architecture

Service Management

Stakeholder Management

Technical Documentation

Governance

ITIL/ISO20000 knowledge

Job description

Service Architect Must have an Active DV Clearance

You will work closely with solution architects, project teams, operational stakeholders, and customers to develop service designs that meet both business and contractual objectives.

The position is ideal for an experienced Service Architect with a strong background in service design, operating model development, governance, and live service transition.

Service Architect Responsibilities

• Design end-to-end service solutions for low, medium, and high-complexity projects transitioning into live service.
• Develop service operating models, governance frameworks, and support strategies.
• Produce service acceptance criteria, operational support requirements, and transition plans.
• Define and contribute to SLA, KPI, service catalogue, and underpinning contract requirements.
• Conduct impact assessments of current operating models and design future service models.
• Define early life support requirements and facilitate service readiness activities.
• Identify and manage service-related RAID items, constraints, exclusions, and single points of failure.
• Design service processes, tooling integration, and supporting operational artefacts.
• Produce technical service documentation, build guides, work instructions, and operational procedures.
• Work closely with solution owners to ensure service stability, resilience, and operational efficiency.

Service Architect Skills and Experience

• Minimum 5 years' experience in Service Architecture or Service Management.
• Strong understanding of service management principles, methodologies, and best practice.
• Experience designing service operating models for large-scale IT environments.
• Strong knowledge of service supply chains and operational support models.
• Experience delivering service transition, operational readiness, and live service acceptance.
• Ability to produce clear, concise, and high-quality technical documentation.
• Experience managing service risks, governance, and operational dependencies.
• Strong stakeholder management with the ability to influence technical and business leaders.
• Experience leading virtual and co-located teams within fast-paced delivery environments.
• ITIL, ISO20000, IT4IT, or equivalent Service Management qualifications desirable.

Due to high volume of applications, only shortlisted CVs will be contacted.

Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks.

We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.