Junior Solution Architect in London

Location: Mainly work from home/London

Department: Technology / Architecture

For this role you must have or at least be eligible for UK security clearance. To be eligible you must have been living in the UK for a minimum of the last 5 years and hold a British Passport only.

About The Role

We are seeking a motivated Junior Solution Architect to join our growing technology team. This role is ideal for someone with a foundation in AWS cloud technologies and solution architecture who is eager to build on their skills while contributing to the design and delivery of modern, scalable systems. As a Junior Solution Architect, you will work closely with senior architects and engineering teams to translate business requirements into technical solutions. You’ll gain exposure to architectural best practices, cloud-native design, and enterprise integration, while helping shape solutions that are secure, efficient, and aligned with business goals.

Key Responsibilities

• Support the design and documentation of solution architectures across applications, data, and infrastructure.
• Collaborate with senior architects to evaluate technical requirements and recommend appropriate AWS services and cloud‑native patterns.
• Assist in creating technical diagrams, architecture decision records, and design documentation.
• Contribute to proof‑of‑concepts (POCs), pilots, and technical evaluations for new technologies and tools.
• Ensure alignment with architectural standards, security policies, and compliance requirements.
• Participate in project delivery, working with engineers, developers, and stakeholders to ensure solutions are implemented as designed.
• Stay up to date with AWS advancements and emerging architecture practices.

Required Skills & Experience

• Hands‑on experience with some AWS services (e.g., EC2, S3, RDS, Lambda, VPC, IAM).
• Exposure to solution architecture — designing systems, integrations, or cloud‑based applications.
• Understanding of software development lifecycle (SDLC) and agile delivery methods.
• Strong problem‑solving skills and the ability to analyse technical challenges.
• Good communication skills to explain complex ideas clearly to technical and non‑technical stakeholders.

Preferred / Nice To Have

• AWS certification (e.g., AWS Certified Solutions Architect – Associate or higher).
• Knowledge of containerisation (Docker, ECS, or Kubernetes).
• Familiarity with infrastructure as code (IaC) tools (e.g., Terraform, CloudFormation).
• Exposure to security and compliance considerations in cloud environments.

Why Apply?

• 25 days holiday + bank holidays
• Up to 5% employer pension contribution
• Educational allowance, training programmes, certifications, conference attendance, and other activities to help employees stay current with new technologies and industry trends.
• Flexible Working Arrangements

Equal Opportunities

CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, sex, gender identity, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination. As a Disability Confident employer, we will;

• Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on 020 7602 6000 to discuss individual requirements further).
• Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview.

Our people are unique and we encourage, and support them, to be confident in contributing to our inclusion journey.