Graduate Software Engineer - September 2027 (National Security)

CACI Ltd; West of England; On-site; GBP 28,000 - 30,000; Full time

Benefits offered by this job

Competitive salary

Early careers programme

Career growth & mentorship

Learning & development budget

Flexible working hours

Job summary

CACI Ltd. is seeking a Graduate Software Engineer to join the National Security team based in Bristol or Cheltenham.

You will start in September 2027 as a final year student with a STEM background and a minimum 2:1 degree, poised to contribute to mission-critical systems. Join a forward-thinking company focused on national security, with a structured early careers programme, mentorship, and ongoing professional development.

Qualifications

• Ambitious final year student graduating in 2027 with a STEM background.
• Minimum 2:1 degree required; UK resident for security clearance considerations.

Responsibilities

• Design, develop, and test software solutions.
• Use open-source tools such as GitLab, AWS, and Azure.
• Build and deploy software across public and private cloud environments.
• Contribute to mission-critical national security projects.

Skills

Curious problem solvers

Eager to learn

Team players

Education

STEM degree (2:1 minimum)

Job description

Location: Bristol or Cheltenham

Salary: £28,000 + £2,000 support payment during your final year

Start Date: September 2027

If you are an ambitious final year student graduating in 2027 with a background in STEM, expected to achieve a minimum of a 2:1 degree and ready to kickstart your career as a Software Engineer, to join the National Security team at CACI based in Bristol or Cheltenham.

Being part of CACI is not just a job - it's an opportunity to be at the forefront of technological innovation, directly contributing to the safety and security of the UK. We are a forward-thinking company, and our work is crucial to the UK's National Security. This is your chance to step into an exhilarating role that is much more than your average 9-to-5.

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.

What's in it for you?

• Competitive Salary: £28,000, regular salary reviews plus a £2,000 support payment whilst you finish university.
• Early Careers Programme: Designed over the year to build your technical and professional skills.
• Career Growth: Receive tailored training and be assigned a mentor to support your ongoing professional development.
• Learning & Development: Annual budget for training, conferences, and career development resources.
• Work-Life Balance: Fully flexible working hours based on an average of 37.5 hours per week.
• Early careers events & socials: Two Graduate events organised purely for our Graduates, in addition to the IIG social events including a Summer Party, Winter Party and company-wide meetups.
• Environment: We provide employees with a great working environment focussed on support, growth, and empowerment.

What You'll Be Doing

As a Graduate Software Engineer at CACI you'll become part of small, dynamic, agile teams, where you'll be able to contribute to developing cutting-edge systems, progressive web apps, and data processing pipelines for crucial national security projects. Working alongside some of the best minds in the industry, you'll receive hands‑on experience in agile methodologies and DevOps techniques This will include:

• Designing, developing, and testing software solutions.
• Using open-source technologies and tools such as GitLab, AWS, and Azure.
• Building and deploying software systems across both public and private cloud environments.
• Working on projects that support government departments in making mission-critical decisions.

Who We're Looking For

We are seeking individuals who are:

• Curious problem solvers: Excited by challenges and ready to find innovative solutions.
• Eager to learn: Committed to developing new skills and growing within the team.
• Team players: Friendly and able to work collaboratively in a fast-paced environment.

While previous commercial experience is not required, an understanding of the software development lifecycle is essential. You must also hold a British passport and have been resident in the UK for the past 5 years to be eligible for this role due to the security clearance requirements.

Your Journey to Joining us:

• November 2026: Initial telephone interviews completed.
• December 2026 - January 2027: Final interviews completed.
• End of January 2027: Job offers made and accepted.
• September 2027: Start your exciting career with us.

Discretionis vital. You should not discuss your application, other than with your partner or a close family member.

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.

At CACI, our diversity and inclusion groups provide platforms for individuals to connect and foster a sense of belonging. These groups include LGBTQ+, Women In Tech & our partnership with the National Autistic Society. 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.

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.