Graduate Software Engineer 2026 National Security Location : Bristol, Cheltenham or Manchester Salary : £28,000 £2,000 support payment during your final year Start Date : September 2026 If you are an ambitious graduate 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, apply now to join the National Security team at CACI based in Bristol, Cheltenham or Manchester. 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 UKs National Security. T his 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? At CACI IIG, we pride ourselves on delivering exceptional value to our clients while fostering an inclusive, supportive work culture. Youll enjoy: 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 : Fullyflexible working hours based on an average of37.5 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 Partyand company-wide meetups. Environment: We provide employees with a great working e nvironment focussed on support, growth, and empowerment. What Youll Be Doing As a Graduate Software Engineer at CACI youll become part of small, dynamic, agile teams, where youll 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, youll 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 Were 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 2025 to February 2026 : Initial telephone interviews completed. March 2026 : Final interviews completed. End of March 2026 : Job offers made and accepted. September 2026 : 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.