Senior Solutions Architect
Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Nov 9, 2026. CACI scores B on the Alion truth index.
We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing bespoke solutions to solve complex operational problems. Due to growth within our Defence and Central Government businesses, we are looking for a Solutions Architect to join our growing team.
The Opportunity:
You will be leading on one or more of our fast-paced, Agile projects; using Agile and architecture methodologies to enable the transformation of systems for customers. As a Solutions Architect working on a range of customer facing Technical Solutions, you will take a leading role in the delivery team, from scoping, managing and delivering projects to agreed cost and time via our Agile framework, through to defining/assessing high level technical architectures and managing relationships with our customers. Through working closely with your counterparts within customers, we would expect you to grow the IIG influence and generally broaden the IIG footprint.
Typical responsibilities include:
Scoping, managing and delivering the full Agile project lifecycle including project deliveries, concept formalisation and requirements analysis
Measuring and Reporting against delivery for projects you own.
Drafting technical Statements of Requirements and User Stories for bespoke applications and platform solutions (may include infrastructure and networks)
Defining and assessing technical architectures, solutions & business requirements
Production of high- and low-level architectural models (process, technology, data)
Providing consultancy support to customers, assisting them with technology choices and solutions to complex problems
Applying knowledge of software systems deployed to a mixture of environments including public (AWS and Azure) and private cloud
Providing leadership and support to delivery team members as required
The Fit:
The successful candidate will have previous Architecture experience with a strong understanding of complex technical systems and the various services & tools available to ensure technical delivery. You will have experience of:
Defining and assessing technical architectures, requirements and solutions.
Strong working knowledge of AWS
Agile project delivery and reporting.
Creation of technical statements of requirements for cloud native applications and platform solutions.
Design and Implementation of end to end solutions to support digital transformation and the modernisation of IT Infrastructure and services
Production of high- & low-level technical designs.
Architecture principles including TOGAF or similar frameworks
Due to the industries we work in, we require the successful candidate to be able to obtain high level security clearance. To qualify for this, you must be a British citizen and have lived permanently in the UK for the last 5 years.
Why work for us?
The AWS Solutions Architect role is an excellent opportunity, and CACI reward their staff well with a competitive salary and impressive benefits package which includes:
Hybrid working: Work from one of our offices or from home - you choose
L&D: Budget for conferences, training courses and other materials.
Social: Fantastic culture with monthly social events.
Future You: Matched pension and health care package.
25 days holiday + bank holidays
We offer a great L&D package including 5 days external training, a career coach and guilds to share innovation and learning. We also offer self-directed career progression, that fosters opportunities for success for us and our business.
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, gender, 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.