About this role
We’re looking for an experienced Java Engineer to support a long‑term defence project based in Dorset. This role involves hands‑on development, secure coding, and contributing to system design within a highly regulated environment.
Location: Dorset On Site: 3x onsite Clearance: SC Experience Level: Mid - Senior Key Responsibilities:
Work through Java development tickets and deliver high‑quality codeDesign, build, and maintain Java applications within a service‑oriented architectureDevelop and manage RESTful APIs for system integrationCollaborate with multidisciplinary teams to ensure all work meets strict security and defence standardsContribute to system design sessions and architecture reviews using Enterprise ArchitectFollow Agile development practices and support continuous improvement Required Skills:
Strong Java development experienceMandatory engineering experience Proven background in building REST APIsProficient with IntelliJ IDEAFamiliar with Atlassian tools (Jira, Confluence, etc.)Experience using Enterprise Architect for system modellingUnderstanding of defence‑sector requirements and secure coding principlesRequired Qualifications:
A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.Desirable Skills:
Experience in any highly regulated sector (defence, aerospace, government, telecoms, finance, etc.)Knowledge of modern software architecture approaches (service‑oriented, modular, microservices)Exposure to CI/CD pipelines or automated testing frameworksUnderstanding of integration between complex systemsFamiliarity with UML or other modelling/diagramming methodsStrong problem‑solving skills and ability to work collaborativelyWillingness to learn domain‑specific standards and security requirements Why join us?
We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.
At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.
Join a passionate team and help build tomorrow, today.
In short you get:
A personalised career path and a rewarding management style A huge diversity of engineering projects and industriesPrivate Medical InsuranceCycle & Tech Scheme Employee assistance programmeLife insurance & Pension SchemeSocial atmosphere, regular gatherings & team buildingsFlexible way of working (role dependent)We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.
ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know.
This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.