Principal Software Engineer – National Security - SC Clearance
Ensure all your application information is up to date and in order before applying for this opportunity.
Role: Principal Software Engineer
Location: Cheltenham - Hybrid Work
Clearance: SC Cleared / Eligible for SC
Salary: £75,000 - £95,000
About the Role
Searchability NS&D is recruiting a Principal Software Engineers to join an Agile delivery team supporting a range of complex and high-impact Central Government and Critical National Infrastructure projects. You’ll help design, develop, and deploy bespoke software solutions that deliver real-world mission value.
In this senior technical role, you’ll lead a team of software engineers, shape architectural decisions, and engage directly with senior customer stakeholders to deliver high-impact solutions.
What You’ll Do
* Design, develop, and test robust software solutions using modern engineering practices.
* Work with a range of open-source libraries, frameworks, and components.
* Build and maintain CI/CD pipelines using tools such as GitLab, ensuring code quality and security.
* Deploy software systems across public (AWS) and private cloud environments.
* Engage in all stages of the software lifecycle — from requirements analysis to support and maintenance.
* Collaborate closely with clients and multidisciplinary teams in an Agile environment.
About You
We’re particularly interested in Full Stack Engineers with commercial experience in:
* Extensive full stack commercial experience using a range of languages / technologies including Java & AWS
* Agile development environments.
* Building, testing, and deploying modern cloud-based applications.
* Previous consultancy experience is beneficial but not essential.
* You’ll be proactive, collaborative, and motivated to work on meaningful, technically challenging projects that make a difference.
Due to the nature of work, you must be willing and eligible to gain UK 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 pride in creating an environment where everyone can thrive — valuing innovation, teamwork, and personal growth.
* Wellbeing: Free 24/7 counselling helpline and employee assistance programme
* Flexibility: Cheltenham office with hybrid working available
* Growth: Dedicated career coach to support personal and professional development
* Social: Regular team get-togethers, summer parties, and annual company away-days
* Onsite Allowances: Expenses provided for lunch and refreshments
Apply
If you’re an ambitious Software Engineer looking to apply your skills to impactful, mission-focused projects, we’d love to hear from you.
#Java #AWS #React #JavaScript #TypeScript #Kubernetes #Docker #SC #SCCleared #FullStack