Senior Software Engineer - National Security
2 weeks ago Be among the first 25 applicants
About Us
We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers complex operational problems. As our business continues to grow, we are interested in speaking with an experienced Software Engineer to join one of our live projects within the National Security team.
Bristol, UK
* Cheltenham, UK
* Manchester, UK Req #1165
16 June 2025
About Us
We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers complex operational problems. As our business continues to grow, we are interested in speaking with an experienced Software Engineer to join one of our live projects within the National Security team.
We are looking for candidates that ideally hold hold high level security clearance, able to support customers from locations in Bristol, Cheltenham and Manchester. Due to the nature of the sector this is supporting, there will be a 4 to 5 day per week in office requirement
Our Mission
To support government departments in making critical decisions that enhance the security and prosperity of the UK. Our work is at the heart of national security, making us an integral cog in the UK's safety mechanism. Comprising a team of over 600 highly skilled professionals, we are deeply committed to delivering solutions that truly make a difference.
This isn't just about code, algorithms, and data. It's about playing a pivotal role in protecting the UK. Our work is of the highest sensitivity and utmost importance, and you will be part of it. You will not only develop mission-critical systems but also contribute to keeping the UK safe and secure.
The Opportunity
We have a wide variety of teams who support our customers on a range of interesting and complex projects, building new bespoke software solutions and providing them with up to date capability to meet their needs. As a Senior Software Engineer, you will join an Agile focussed team, gaining exposure to:
* Implementing software solutions including design, development and testing
* Using a wide range of technologies, specialising in the use of open-source libraries and components
* Utilising tools such as GitLab to build continuous integration pipelines, which help monitor and ensure software quality and security
* Deploying software systems to a mixture of environments, including public (AWS and Azure) and private cloud
* Full Software Lifecycle involvement: project concept formalisation; requirements analysis and specification; architecture design; implementation and delivery; training and support and software lifecycle and maintenance
* Lead teams and managing engagement with our clients (depending on experience)
The Fit
At present we are interested in speaking to Senior Engineers with hands on Back End or Full Stack experience. You will have commercial experience using a range of languages / technologies including Java, Python, AWS, Azure, JavaScript, React or Typescript. Previous consultancy experience is useful but not essential.
Due to the industries we work in, we require all our team to be able to obtain security clearance. To qualify for this, you must be a British passport holder and have lived permanently in the UK for the last 5 years.
Culture & Benefits
We take great pride in taking care of our talent, providing a highly dynamic, inclusive and team-led environment where everyone can thrive. We value every member of our business, and strive to be a place you’re excited to work. Our market-leading package of benefits reflects this.
WELLBEING - Free 24/7 counselling helpline and employee assistance programme
WORK YOUR BEST - City-centre offices across the UK, combined with flexitime and at home working
LEARN & GROW - Assigned Career Coach to holistically guide development
SOCIAL - Get-togethers throughout the year, from ad hoc socials to the Summer Party in London and annual awaydays
ONSITE ALLOWANCES - expenses for lunch and drinks
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.
Other details
* Pay Type Salary
Apply Now
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
* Job function
Engineering and Information Technology
* Industries
IT Services and IT Consulting
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