Solutions Architect (Defence)
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Jul 9, 2026. CACI scores B on the Alion truth index.
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 some exciting growth within our Defence business, we are interested in speaking with an experienced Solution / Technical Architect.
Role Location:
Due to the nature of the work, this role will require regular weekly visits to our customers sites in Bristol and/or Corsham.
The Opportunity:
As a Solutions Architect working on a range of Software, Infrastructure & Network Solutions, you will take a leading role in the delivery team, from defining/assessing high level technical architectures to managing relationships with our customers and taking accountability for delivering projects to agreed timelines. You will oversee the full project lifecycle including project concept formalisation; requirements analysis and specification; architecture design; Infrastructure / software implementation and delivery; training and support and maintenance. Key responsibilities include:
Drafting technical Statements of Requirements for networks, applications and platform solutions
Defining and assessing technical architectures, solutions & business requirements
Production of high- and low-level technical & operating model designs
Providing consultancy support to customers, assisting them with technology choices and solutions to complex problems
Using a wide range of technologies, specialising in the use of open-source libraries and components
Deploying software systems to a mixture of environments including public (AWS and Azure) and private cloud
Managing relationships with our customers
Ensuring your knowledge and professional development keeps pace with an everchanging technology landscape
Providing leadership and support to delivery team members as required
The Fit:
We are looking for an experienced Architect who has proven experience working with the MOD to design, assess and implement large-scale, cloud native applications and platform solutions. Additionally we are looking for experience of:
Creating technical statements of requirements for cloud native applications and platform solutions.
Design and Implementation of solutions to support digital transformation and the modernisation of IT Infrastructure and services
Leading enterprise architecture planning and strategy.
Production of high & low level technical designs.
Taking accountability for key project deliverables.
Leading technical engagement with senior users / customers.
Due to the industries we work in, we would prefer applicants to currently hold 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?
IIG has the culture and feel of a small business, paired with the benefits of our position in a much larger organisation. The Solution Architect role is an excellent opportunity, and CACI reward their staff well with a competitive salary and impressive benefits package which includes:
Flexi-time: 37.5 hour weeks to structure how you want.
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.
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.
We take great pride in taking care of our talent, providing a highly dynamic, inclusive and team-led environment where everyone can thrive.
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 pre vent 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.