Technical Architect

Rullion; City Of London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Rullion are seeking an experienced Technical Architect to lead the design and assurance of complex IT solutions within a large-scale, regulated environment. The role ensures security, resilience and alignment with enterprise architecture standards, working with internal stakeholders and multiple suppliers to maintain technical quality and delivery excellence.

You will provide architectural oversight across cloud platforms, infrastructure, networks and integration services, translating

Qualifications

• Experience designing enterprise-scale IT architectures across cloud, networks and integration.
• Proven ability to deliver secure, scalable and resilient technical solutions.
• Strong communication to influence both technical and non-technical stakeholders.
• Knowledge of cyber security principles in regulated environments.
• Experience working across multi-supplier delivery environments.
• Track record in architectural assurance and oversight of supplier-delivered solutions.
• Experience ensuring designs meet enterprise standards and security requirements.
• Current SC clearance or willingness to undergo vetting.

Responsibilities

• Lead the design and assurance of technical solutions, aligning with enterprise standards.
• Provide architectural oversight throughout the project lifecycle from design to handover.
• Design and review architectures across cloud, infrastructure, networks and apps.
• Collaborate with business and IT stakeholders to translate requirements into robust solutions.
• Provide technical leadership to project teams and third-party suppliers.
• Support architectural governance and ARB participation where required.
• Evaluate emerging technologies and recommend solutions to meet objectives.
• Ensure effective integration across multi-supplier delivery environments.
• Embed cyber security requirements into technical designs and controls.
• Identify and manage technical risks, escalating as needed for delivery success.

Skills

Enterprise architecture

Cloud architecture

Infrastructure

Networking

Integration

Security

Stakeholder management

Regulated environments

Architectural governance

Supplier governance

Job description

Working Hours: 40 hours per week

Contract Duration: 6-12 months

Contract Type: Inside IR35

Role Overview

Our client is seeking an experienced Technical Architect to lead the design and assurance of complex IT solutions within a large-scale, regulated environment. The role will ensure solutions are secure, scalable, resilient and aligned with enterprise architecture standards, working closely with internal stakeholders and multiple suppliers to maintain technical quality and delivery excellence.

Key Responsibilities

• Lead the design and assurance of technical solutions, ensuring alignment with enterprise architecture standards and regulatory requirements.
• Provide architectural oversight throughout the project lifecycle, from initial design through to operational handover.
• Design and review architectures across cloud platforms, infrastructure, networks, integration services and applications.
• Collaborate with business and IT stakeholders to translate requirements into robust, scalable and sustainable technical solutions.
• Provide technical leadership and subject matter expertise to project teams and third-party suppliers.
• Support architectural governance, including participation in Architecture Review Boards (ARBs) where required.
• Evaluate emerging technologies and recommend solutions that support business objectives and technology strategy.
• Ensure effective integration and interoperability across complex, multi-supplier delivery environments.
• Embed cyber security requirements into technical designs, ensuring compliance with relevant security frameworks.
• Identify and manage technical risks, escalating issues where necessary to support successful delivery.

Knowledge, Skills and Experience

• Strong expertise in enterprise-scale technical architecture, including cloud, infrastructure, networking and integration.
• Proven ability to design and assure secure, scalable, resilient and cost-effective technical solutions.
• Excellent communication and stakeholder management skills, with the ability to influence both technical and non-technical audiences.
• Understanding of cyber security principles and requirements within regulated environments.
• Experience working across complex, large-scale, multi-supplier delivery environments.
• Extensive experience in Technical Architecture roles within large-scale, complex or regulated organisations.
• A proven track record of providing architectural assurance and technical oversight for supplier-delivered solutions.
• Experience ensuring technical designs meet enterprise standards, security requirements and operational expectations.
• Current Security Check (SC) clearance or willingness to undergo the required security vetting.

Desirable Skills and Experience

• Experience in the nuclear, energy or another highly regulated sector.
• Knowledge of enterprise architecture frameworks and digital transformation best practices.
• Familiarity with large-scale infrastructure and digital programmes within complex organisations.
• Professional certifications such as TOGAF, ITIL or cloud certifications across AWS, Microsoft Azure or Google Cloud Platform.

What We're Looking For

We are looking for a technically strong and commercially aware Technical Architect who can provide clear architectural direction, challenge supplier designs where necessary, and ensure solutions meet high standards of security, resilience and quality. The successful candidate will be comfortable operating in a complex delivery environment and influencing stakeholders at all levels.

INDCF-RE

Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.