Lead Technical Architect

TN United Kingdom; Cheltenham; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading technical consultancy is seeking a skilled Lead Technical Architect with cloud expertise to design and oversee cloud infrastructure solutions. This role involves technical leadership, cloud security, and collaboration with various teams to ensure the delivery of mission-critical systems. The ideal candidate will have experience with AWS, Kubernetes, and microservices, and will play a crucial role in driving efficiency and compliance within the architecture.

Benefits

Flexible hours

Hybrid working

Training budgets

Social events

Pension

Health care

Qualifications

• Experience in large-scale cloud systems, especially AWS.
• Must be British citizens, have lived in the UK for the past 5 years.

Responsibilities

• Lead design of cloud systems using AWS, microservices, and serverless computing.
• Develop secure architectures ensuring data protection and compliance.
• Architect Kubernetes environments for high availability and scalability.

Skills

Cloud security architecture

Containerisation

Event-driven architectures

Java-based microservices

CI/CD pipelines

Monitoring tools

Serverless architectures

TOGAF architectural standards

Education

AWS certifications

Tools

Terraform

CloudFormation

Prometheus

Grafana

ELK Stack

Docker

Job description

Lead Technical Architect

Locations: Bristol, UK ● Bromley, UK ● Cheltenham, UK ● Croydon, UK

Req #: 1104 | Date: 09 May 2025

About us:

We are the Information Intelligence Group (IIG) of CACI UK, a specialist technical consultancy providing bespoke solutions to solve complex operational problems. Due to growth within our Central Government business, we are seeking an experienced Technical Architect.

Role Location:

You may work from any of our UK offices or from home, with regular visits to London.

About the Role:

We seek a skilled Lead Technical Architect with cloud expertise to design, implement, and oversee cloud infrastructure solutions for mission-critical systems, focusing on security and scalability using AWS, Kubernetes, Kafka, microservices, Java, and event-driven design.

Key Responsibilities:

1. Cloud Architecture Design: Lead design of cloud systems using AWS, microservices, event-driven architectures, and serverless computing.
2. Cloud Security: Develop secure architectures ensuring data protection and compliance (AWS IAM, encryption, VPC, monitoring).
3. Containerisation & Orchestration: Architect Kubernetes environments for high availability and scalability.
4. Event-Driven Systems: Lead Kafka-based messaging frameworks for real-time data processing.
5. Microservices Architecture: Design and oversee microservices development, focusing on Java backend systems.
6. Technical Leadership: Mentor teams and guide complex technical decisions.
7. Security & Compliance: Ensure architectures meet GDPR, HIPAA, and security policies.
8. CI/CD & Automation: Promote pipelines, infrastructure as code (Terraform, CloudFormation), and automation.
9. Collaboration: Work with DevOps, engineering, product management, and stakeholders.
10. Performance & Cost Optimization: Drive efficiency and cloud spend reduction strategies.
11. Risk Management: Identify and mitigate technical risks.
12. Documentation & Standards: Maintain architectural documentation and best practices.

The Fit:

Ideal candidates will have experience in large-scale cloud systems, especially AWS, with skills in:

• Cloud security architecture (IAM, encryption)
• Containerisation (Docker, Kubernetes)
• Event-driven architectures (Kafka)
• Java-based microservices
• CI/CD pipelines and infrastructure as code (Terraform, CloudFormation)
• Monitoring tools (Prometheus, Grafana, ELK Stack)
• Serverless architectures (AWS Lambda)
• Relevant AWS certifications (Solutions Architect, Security – Specialty)
• Understanding of TOGAF architectural standards

Applicants must be British citizens, have lived in the UK for the past 5 years, and be eligible for high-level security clearance.

Why work for us?

We offer a dynamic, inclusive environment with benefits including flexible hours, hybrid working, training budgets, social events, pension, and health care. We foster career growth through L&D, coaching, and internal opportunities.

Equal Opportunities:

We are committed to diversity and inclusion, providing reasonable adjustments and supporting all employees.

Other details:

• Pay Type: Salary
• Locations: Bristol, Bromley, Cheltenham, Croydon