Java Software Engineer - Security & Intelligence

Envitia operates at the heart of the UK’s most sensitive and high-profile operations. Our approach is entirely mission-focused, enabling customers to see more, decide faster, and act with confidence across complex domains.

We deliver situational awareness and information advantage across C5

ISR, fusing cyber, geospatial, and kinetic data into an operational picture. This transforms fragmented data into a shared understanding of the battlespace, delivering actionable insight when it matters most.

Our solutions are secure-by-design, built from the ground up to protect sensitive information and ensure resilience in contested environments. We simplify complex heterogeneous data sources into a rich picture of fused intelligence, providing a digital backbone that underpins success.

We operate as small teams delivering fast value, blending deep technical expertise with agile methods to deliver measurable outcomes. Every engagement focuses on capability, clarity, and confidence for those who protect the nation.

A career with Envitia enables you to work with mission driven innovation.

We’re thrilled to announce that Envitia has been named one of the Sunday Times Top 100 Medium-Sized Companies —a prestigious recognition that highlights our commitment to creating an outstanding workplace where innovation, collaboration, and personal growth thrive.

Envitia is looking for a Java Engineer to join our growing Security & Intelligence Consulting team.

You'll work on large-scale data and software platforms used within government and national security environments, helping clients transform complex data into actionable intelligence. Working alongside data engineers, architects, Dev Ops specialists and consultants, you'll design and develop secure, cloud-native applications that support real-world operational outcomes.

This is an opportunity to work on technically challenging projects where you'll have direct influence over solution design, engineering decisions and the delivery of modern software systems.

• Designing and developing Java applications using modern engineering practices
• Building scalable microservices and REST APIs
• Developing cloud-native solutions using Docker and Kubernetes
• Integrating software with data platforms, analytics systems and AI-enabled capabilities
• Contributing to solution architecture, code reviews and technical decision-making
• Supporting CI/CD pipelines, automated testing and Dev Sec Ops  practices
• Working closely with clients and multidisciplinary delivery teams to solve complex technical challenges

• Commercial experience developing Java applications using Java 11+ and Spring Boot
• Strong understanding of software engineering principles and object-oriented design
• Experience building APIs, microservices and distributed systems
• Familiarity with containerisation technologies such as Docker and Kubernetes
• Experience working within cloud or Dev Sec Ops  environments
• Ability to communicate effectively with both technical and non-technical stakeholders
• Passion for solving complex technical problems and delivering high-quality software
• Experience working with data-intensive applications or analytics platforms
• Exposure to AWS, Azure or other cloud technologies
• Experience with in Defence, National Security, Government or other highly regulated environments
• Knowledge of event-driven architectures, streaming technologies or AI/ML-enabled systems

• Work on meaningful projects supporting the UK's Security & Intelligence community
• Collaborate with highly skilled engineers, consultants and architects
• Influence technical direction and solution design
• Access continuous learning and development opportunities
• Be part of a team that values innovation, collaboration and technical excellence

The successful candidate must hold a current high level security clearance.

It is anticipated the role will require up to 80% (4d/wk) onsite working at client location in Cheltenham, London or Manchester.

At Envitia, our greatest asset is our team. We are committed to ensuring our workplace is one where every employee feels…