Senior Application Engineer; Jira ITSM

Job Description:

Salary Range: £44,171 - £61,950

Leonardo UK operates a grade‑based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.

Your Impact

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. You’ll work collaboratively across engineering and service teams, contributing to technical delivery and continuous improvement.

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.

What you will do as a Senior Application Engineer

• Support, configure, and enhance ITSM platforms (e.g. Jira Service Management) that underpin service delivery and operational workflows
• Deliver engineering tasks within defined work packages, ensuring alignment with user needs, security requirements, and service‑level objectives.
• Contribute to application architecture, integration, and lifecycle activities under the guidance of senior engineers.
• Collaborate with stakeholders across engineering, service management, and business teams to resolve technical issues.
• Mentor junior engineers and specialists, supporting their development and promoting best practices.
• Participate in continuous improvement initiatives, including automation, documentation, and knowledge sharing.
• Ensure compliance with engineering governance, ITSM processes, and cyber security policies.

• Solid experience in supporting, configuring, and enhancing ITSM platforms (e.g. Jira Service Management or similar)
• Ability to solve moderately complex application‑related issues and contribute to secure, scalable solutions.
• Understanding of application lifecycle management, integration patterns, and secure‑by‑design principles.
• Strong communication and collaboration skills across engineering and business teams.
• A proactive mindset with a passion for continuous improvement and knowledge sharing.

• Enterprise application support, configuration, and enhancement
• ITSM platform configuration and support (e.g. Jira Service Management or similar)
• Configuration of workflows across incident, problem, and change management processes
• Integration of ITSM platforms with monitoring, identity, and automation tooling
• Application lifecycle management (deployment, maintenance, upgrades, decommissioning)
• Integration patterns and identity management (e.g. SSO, RBAC, API integration)
• Secure‑by‑design principles and application security practices
• Technical problem solving and resolution of application‑related issues
• Collaboration with engineering, service management, and business teams
• Experience working within ITIL‑aligned service environments
• Delivery within enterprise / secure / defence environments

• Jira Service Management (or similar ITSM platforms)
• ITIL process design and optimisation
• API‑led automation and workflow orchestration
• Integration with alerting, monitoring, and incident management systems
• Reporting, dashboards, and service performance metrics
• Experience integrating with enterprise services (Active Directory, identity platforms)
• Exposure to Dev Ops / CI‑CD practices
• Experience working in secure or regulated environments

This role is subject to pre‑employment screening…