Senior Solution Architect

CACI Ltd; Corsham; On-site; GBP 150,000 - 200,000; Full time

Job summary

A leading technical consultancy is seeking a Senior Solution Architect to design and implement cloud-native applications. This role requires proven experience with the MOD and managing relationships with customers. Offers a flexible working environment and a competitive salary with a strong focus on professional development and inclusivity.

Benefits

Flexi-time

Training budget

Monthly social events

Matched pension and healthcare packages

Qualifications

• Proven experience designing and implementing solutions for MOD.
• Experience with high-level security clearance.
• Ability to lead enterprise architecture planning and strategy.

Responsibilities

• Define and assess technical architectures and solutions.
• Draft technical statements of requirements.
• Oversee project lifecycle from initiation to delivery.

Skills

Technical architecture design

Cloud-native applications

Consultancy

Relationship management

Security clearance

Tools

AWS

Azure

Open-source technologies

Job description

Posted Monday 21 July 2025 at 00:00 | Expires Tuesday 30 September 2025 at 23:59

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 visits on a weekly basis to our customer's site in Corsham.

The Opportunity:

As a Senior Level 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, 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.
• Producing 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 open-source libraries and components.
• Deploying software systems to environments including public (AWS and Azure) and private cloud.
• Managing relationships with our customers.
• Ensuring your knowledge and professional development keep pace with evolving technology landscapes.
• Providing leadership and support to delivery team members as required.

The Fit:

We are looking for an experienced Senior Architect with proven experience working with the MOD to design, assess, and implement large-scale, cloud-native applications and platform solutions. Additionally, experience in:

• Creating technical statements of requirements for cloud-native applications and platform solutions.
• Designing and implementing solutions to support digital transformation and modernisation of IT infrastructure and services.
• Leading enterprise architecture planning and strategy.
• Producing high- and 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 prefer applicants to currently hold high-level security clearance. To qualify, you must be a British citizen and have lived permanently in the UK for the last 5 years.

Why work for us?

IIG offers a culture and environment similar to a small business, combined with the benefits of being part of a larger organisation. The Solution Architect role offers an excellent opportunity, with competitive salary and benefits including:

• Flexi-time: 37.5-hour weeks to structure as you wish.
• L&D: Budget for conferences, training, and materials.
• Social: Monthly social events fostering a great culture.
• Future You: Matched pension and healthcare packages.

We provide extensive L&D including external training, career coaching, and guilds for sharing innovation and learning. We support self-directed career progression for success for both individuals and the organisation.

We pride ourselves on a dynamic, inclusive, and team-led environment where everyone can thrive.

CACI is an equal opportunities employer. We embrace diversity and are committed to building an inclusive work environment, actively preventing discrimination based on ethnicity, age, gender, veteran status, religion, sexual orientation, marital status, disability, or health condition.

As a Disability Confident employer, we will;

• Provide reasonable adjustments during recruitment (contact our recruitment team at 020 7602 6000).
• Offer interviews to candidates with health conditions and disabilities who meet role criteria.

We encourage and support our people to contribute confidently to our inclusion journey.