Senior Application Engineer (SIEM)

Salary: £76,000 - 94,000 per year

Requirements:

• Solid experience in supporting, configuring, and enhancing security tooling platforms such as SIEM, EDR, 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.
• Experience supporting, configuring, and enhancing security tooling platforms, including SIEM, EDR, and vulnerability management.
• Experience with log and event management, including ingestion, parsing, and correlation of system and security logs.
• Experience integrating security tooling with platform, network, and identity services.
• Experience providing operational support and tuning of security tooling in live environments.
• Experience with application lifecycle management, including deployment, maintenance, upgrades, and decommissioning.
• Experience with integration patterns and identity management, including SSO, RBAC, and API integration.
• Knowledge of secure-by-design principles and application security practices.
• Technical problem-solving skills for resolving application-related issues.
• Experience collaborating with engineering, SOC, and service management teams.
• Experience working within security and ITIL-aligned environments.
• Experience delivering within secure, enterprise, or defence environments.
• Desirable: experience with SIEM, EDR, or vulnerability management tools such as Splunk, Trellix, or Tenable.
• Desirable: experience with SOAR platforms and automation of security response workflows.
• Desirable: experience integrating with monitoring, alerting, and incident response systems.
• Desirable: experience with threat detection, analytics, and use case development.
• Desirable: experience integrating with enterprise services such as Active Directory and identity platforms.
• Desirable: exposure to DevOps and CI-CD practices.
• Desirable: experience working in secure or regulated environments.
• This role is subject to pre-employment screening in line with the UK Governments Baseline Personnel Security Standard (BPSS).
• Additional Personnel Security Controls referred to as National Security Vetting (NSV) will apply.
• This role requires Developed Vetting (DV) clearance prior to starting.

Responsibilities:

• Support, configure, and enhance security tooling platforms that underpin threat detection and response.
• 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.
• Take the lead in solving customer problems in an agile, innovative, and team-centric manner.

Technologies:

• API
• Active Directory
• DevOps
• Support
• ITIL
• ITSM
• Network
• RBAC
• Security
• Splunk

More:

We operate a grade-based salary framework with broad bands, and the salary range shown reflects the approved grade band for this role or a narrower hiring range published within that band, benchmarked against the external market. This role may involve a blended hybrid working model, with a mixture of working from home and working on site at one of our offices to support collaboration with our team and customers. The role is based at one of our UK sites in Yeovil. We offer a comprehensive, company-funded benefits package supporting wellbeing, career development, and work-life balance, including generous leave with the opportunity to accrue up to 12 additional flexi-days each year, an award-winning pension scheme with up to 15% employer contribution, free access to mental health support and financial advice, access to 4,000+ online courses through Coursera and LinkedIn Learning, flexible benefits such as private healthcare, lifestyle discounts, and gym memberships, and flexible hours with hybrid working options. We are a global leader in Aerospace, Defence, and Security, headquartered in Italy, with over 53,000 people worldwide including 8,500 across 9 sites in the UK. We are committed to building an inclusive, accessible, and welcoming workplace, and we value the contributions our people make to innovation, technology, and global safety.

last updated 35 week of 2026