Roke True impact is powered by more than technology it s driven by purpose, precision, and the ability to adapt. Roke work across defence, security, and industry to solve the challenges that shape lives, safeguard systems, and strengthen future capability. Freedom Programme Through 2025 Roke s Freedom Programme will be transforming several aspects of our business. The technology changes include designing, configuring, building, integrating and implementing: * Ceridian Dayforce for Payroll and HCM. * IFS for Finance, project management, project accounting, CRM, sales, procurement, inventory and MRP. * ProFinda for resource optimisation. * Boomi iPaaS solution for system integration. Job Purpose & Key Responsibilities We are seeking a skilled and motivated Enterprise Systems Developer with excellent integration experience to join our team. The ideal candidate will have a strong background in designing, developing, and maintaining enterprise-level systems, ideally with specific experience with Boomi integration, HCM and ERP Solution experience with IFS, Dayforce, and ProFinda exposure being beneficial. You will work closely with cross-functional teams to deliver high-quality solutions that meet our business and clients' needs. * Design, develop and maintain scalable enterprise systems, applications and understanding interface source and target data design, along with impacts to the Boomi integrations. * Troubleshoot and resolve functional and technical issues within source and target systems, related to integrations and data flows. * Collaborate with project team members and business stakeholders to understand and translate requirements, document them in a technical specification. * Plan and implement new deployments and planned outages. * Develop documentation for support of analysis, technical design, coding, configuration, testing, and processes. * Identify and mitigate risks associated with enterprise systems, applications and integrations, ensuring compliance with regulatory requirements and security standards. * Coordinate and lead service upgrades, ensuring any system code or configuration changes do not regress. * Ensure systems are secure, reliable, and meet performance standards. * Troubleshoot and resolve complex technical issues. * Continuously improve systems by performing regular upgrades and patches, along with new feature additions. * Participate in service reviews to maintain quality and standards. * Mentor and provide guidance to other developers and IT team members. * Participate in the work of the Corporate IT team, contributing to the continuous improvement of the department. Knowledge, Skills & Experience * Strong understanding of integration concepts, REST/SOAP APIs, and data mapping. * Experience with various data formats including XML, JSON, and SQL. * Proven experience in enterprise systems development. * Proficiency in programming languages such as Java, C#, or Python. * Strong knowledge of database management systems (SQL, Oracle, etc.). * Experience with web technologies (HTML, CSS, JavaScript, etc.). * Experience with developing and maintaining code and configuration changes within SaaS systems. * Proficient with API protocols, with strong root cause analysis for integration issues including POSTMAN testing and debugging. * Familiarity with cloud platforms (AWS, Azure, etc.). * Experience with Boomi integration, IFS, Dayforce, and ProFinda; training can be given * Excellent problem-solving and analytical skills. * Strong communication and teamwork abilities. * Experience with enterprise resource planning (ERP) systems. * Knowledge of microservices architecture and containerisation (Docker, Kubernetes). * Certification in relevant technologies (e.g., AWS Certified Solutions Architect, Oracle Certified Professional). Built on over a 60 year heritage, Roke offers specialist knowledge in sensors, communications, cyber, and AI and ML. We change the way organisations think and act through dynamic insights from the analysis of multiple layers of data. We take care of the innovative, technical stuff that keeps everyone safe that s our mission, passion, and motivation. Where you ll work ROMSEY - Alongside hybrid and flexible working options, you ll find our Romsey site located within beautiful Hampshire countryside, close to the picturesque New Forest District and not far from a superb stretch of the south coast. This is no corporate concrete jungle; this is a manor house site, with ample parking an on-site gym and a driveway full of daffodils in the spring. Clearances Due to the nature of this role, we require you to be eligible to achieve DV clearance. As a result, you should be a British Citizen and have resided in the U.K. for the last 10 years. The Next Step Click apply, submitting an up-to-date CV. We look forward to hearing from you.