Technical Architect

Gattaca; Farnborough; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Competitive salary

Career development

Ongoing professional growth

Job summary

Gattaca is seeking a Technical ServiceNow Architect in Farnborough to lead the technical architecture for a large ServiceNow migration in a highly secure environment. You will own the architecture roadmap, define strategy, oversee migrations, and ensure scalable, secure solutions aligned to business goals.

Ideal candidates will have hands-on experience delivering enterprise ServiceNow transformations within regulated sectors, plus DV/SC clearance familiarity.

Qualifications

• Proven experience delivering large-scale ServiceNow migrations.
• Experience in secure, regulated environments (Defence, government, aerospace or similar).
• Hands-on technical architecture leadership across complex platforms.

Responsibilities

• Lead end-to-end technical architecture for major ServiceNow migration programme.
• Define and maintain ServiceNow technical strategy, roadmap and governance.
• Design scalable, secure, resilient platform solutions aligned to best practices.
• Provide architectural oversight across configuration, integrations, infrastructure and data migration.
• Lead discovery workshops with business and technology stakeholders.
• Produce high/low level designs, solution architectures and technical specs.
• Define migration strategies from on-prem environments with minimal disruption.
• Ensure security, regulatory and governance compliance within a secure environment.
• Review designs from development teams and act as senior technical authority.
• Collaborate with programme managers, infrastructure teams and external suppliers.

Skills

ServiceNow architecture

ITSM

ITOM

CMDB

Workflows

Platform integrations

Stakeholder engagement

Governance

Security compliant

Defence sector

Job description

Farnborough, Hampshire | 5 Days Onsite | SC/DV Cleared Environment

An exciting opportunity has arisen for an experienced Technical ServiceNow Architect to join a high-profile digital transformation programme operating within a highly secure environment.

This role will be pivotal in shaping and delivering the technical architecture for a large-scale ServiceNow migration programme. You will provide architectural leadership across the platform, defining technical strategy, guiding complex migrations, and ensuring solutions are scalable, secure, and aligned to business objectives.

This position is ideally suited to a hands-on architect with experience delivering complex ServiceNow implementations and migration programmes within enterprise-scale or highly regulated environments.

Security Requirements

Due to the nature of the programme:

• Active Developed Vetting (DV) clearance is highly desirable.
• Candidates currently holding Security Check (SC) clearance who are willing and eligible to undergo DV clearance will also be considered.

The Role

As the Technical ServiceNow Architect, you will take ownership of the overall technical architecture and roadmap, ensuring the successful design, migration, and delivery of critical ServiceNow capabilities.

Key responsibilities include:

• Leading the end-to-end technical architecture for a major ServiceNow migration programme.
• Defining and maintaining the ServiceNow technical strategy, architecture roadmap, and governance framework.
• Designing scalable, secure, resilient, and supportable platform solutions aligned to industry best practice.
• Providing architectural oversight across platform configuration, integrations, infrastructure, and data migration activities.
• Leading technical discovery workshops with business and technology stakeholders.
• Producing high-level and low-level designs, solution architectures, and technical documentation.
• Defining migration strategies from existing on-premise environments while minimising operational disruption.
• Ensuring compliance with security, regulatory, and governance requirements within a secure environment.
• Reviewing and approving technical designs produced by development and engineering teams.
• Acting as the senior technical authority for architecture decisions and platform standards.
• Collaborating with programme managers, technical leads, infrastructure teams, and external suppliers to ensure successful project delivery.
• Identifying technical risks and implementing mitigation strategies throughout the programme lifecycle.
• Supporting testing, deployment, transition, and operational readiness activities.
• Proven experience operating as a Technical Architect, Solution Architect, or Lead Architect within ServiceNow environments.
• Demonstrable experience leading large-scale ServiceNow migration programmes.
• Strong knowledge of ServiceNow architecture, including:
• ITSM
• ITOM
• CMDB
• Workflows
• Platform integrations
• Experience designing and delivering enterprise-scale ServiceNow solutions.
• Strong understanding of infrastructure, networking, cloud, hybrid, and on-premise technology environments.
• Experience producing architecture artefacts including:
• High Level Designs (HLDs)
• Low Level Designs (LLDs)
• Solution Designs
• Technical Specifications
• Strong stakeholder engagement skills with the ability to communicate effectively at both technical and executive levels.
• Experience establishing architectural governance and ensuring adherence to best practice frameworks.
• Ability to lead technical teams and influence architectural direction across major programmes.
• Previous experience within Defence, National Security, Government, Aerospace, or other highly regulated sectors.
• Experience delivering complex transformation programmes within secure environments.
• Knowledge of secure platform migration and transition strategies.
• Familiarity with enterprise architecture frameworks and governance models.

Certifications

Applicants should hold one or more of the following certifications:

• ServiceNow Certified Technical Architect (CTA) - Highly Desirable
• ServiceNow Certified Master Architect (CMA)
• ServiceNow Certified System Administrator (CSA)
• ServiceNow Certified Application Developer (CAD)
• ServiceNow Certified Implementation Specialist (CIS)
• TOGAF or equivalent Enterprise Architecture certification

What's on Offer

• Opportunity to architect and deliver a major ServiceNow transformation programme.
• Technical leadership within a complex, mission-critical environment.
• Exposure to large-scale migration and modernisation initiatives.
• Collaboration with senior stakeholders and highly skilled technical teams.
• Excellent career development opportunities and ongoing investment in professional growth.
• Competitive salary and comprehensive benefits package.

If you're a ServiceNow Architect looking to shape the technical direction of a business-critical transformation programme while working within one of the UK's most secure environments, we'd be keen to hear from you.