Senior Applications Design Engineer

Exceptions above the standard range are managed through governance controls to protect internal equity.Are you ready to support and enhance enterprise applications that underpin national security and critical services? At Leonardo UK, our Senior Application Engineers play a key role in maintaining and improving business-critical platforms — ensuring they are secure, scalable, and aligned with operational needs. n Your work at Leonardo UK will see you take the lead in solving customer problems in an agile, innovative and team-centric manner. The role may involve a blended hybrid working model, with a mixture of working from home and working on site at one of our Leonardo offices to ensure close collaboration with the wider team and with our customers.Leonardo UK is seeking a Senior Application Engineer to join the Cyber & Security Solutions Division team. This role is focused on delivering, maintaining, and improving platform and systems engineering solutions that underpin critical defence, government and public sector services.n What you will do as a Senior Application EngineerContribute to application architecture, configuration, integration, and lifecycle activities under the guidance of senior engineers. Collaborate with stakeholders across engineering, service management, and product teams to resolve technical issues. Ensure compliance with engineering governance, ITSM processes, and cyber security policies.Solid experience in supporting, configuring, and enhancing enterprise or mission‑critical applications, ideally within telecoms, control rooms, or public‑safety communications environments. Understanding of application lifecycle management, integration patterns, and secure-by-design principles. Strong communication and collaboration skills across engineering, service management and product teams. Hands‑on experience supporting or configuring operational telecoms systems, public‑safety applications, control room tools, or enterprise‑grade software. Understanding of deployment, maintenance, upgrades, and decommissioning phases. Awareness of cyber security practices and secure configuration. Understanding of ITIL or similar frameworks. Strong communication skills across engineering, service, and product teams.Experience supporting applications across on-premise, hybrid, and cloud environments (e.g. AWS). Knowledge of enterprise IT services such as Active Directory, KMSPKI, and monitoring tools. Exposure to DevOps or CI/CD practices. Atlassian, , ITIL, AWS, Azure). Security ClearanceThis role can be based at our Bristol site, with hybrid/custom working options where appropriate. Travel will be involved in the role.We offer a comprehensive, company-funded benefits package that supports your wellbeing, career development, and work–life balance.Award-winning pension scheme with up to 15% employer contribution. Free access to mental health support, financial advice, and employee-led networks. Never Stop Learning: Free access to 4,000+ online courses via Coursera and LinkedIn Learning. Spend up to £500 annually on flexible benefits such as private healthcare, lifestyle discounts, and gym memberships. Flexible Working: Flexible hours with hybrid working options.For a full list of our company benefits please visit our website.Headquartered in Italy, we employ over 53,000 people worldwide including 8,500 across 9 sites in the UK. At Leonardo we are committed to building an inclusive, accessible, and welcoming workplace. Contract Type:PermanentHybrid Working:Hybrid…