Technical Lead, IT​/Tech, IT Support

Technical Lead – OMNIA Training Team

Raytheon UK is searching for a Technical Lead to join our OMNIA Training team. In this role you will lead technical delivery, collaborate across multidisciplinary teams, and maintain a customer‑first mindset.

Eligibility: must be eligible and willing to obtain SC clearance. The successful candidate will be based in Warminster with a hybrid work arrangement.

• Provide technical leadership for the live operational estate, ensuring stability, performance and availability of production systems and services.
• Act as the senior technical authority for service operations teams supporting cloud‑based platforms, training systems and business applications.
• Lead technical investigation and resolution of major incidents affecting live production services.
• Oversee operational support activities across infrastructure, applications and platform services deployed in cloud environments.
• Provide technical oversight for system performance, reliability and service resilience across the live estate.
• Manage and oversee patching and vulnerability management processes, ensuring systems are maintained in line with security policies and operational requirements.
• Work closely with engineering, Dev Ops and service management teams to ensure smooth operation of CI/CD pipelines and production deployments.
• Support operational readiness for system releases, ensuring production environments are prepared for new capabilities and updates.
• Ensure monitoring, logging and observability practices are implemented to maintain visibility of system health and performance.
• Provide technical guidance and mentoring to service operations teams, supporting effective troubleshooting and incident resolution.
• Contribute to continual service improvement by identifying operational risks, performance issues and opportunities for optimisation.

• Experience providing first‑line IT support within a service desk or technical support environment.
• Proven experience supporting and managing live production systems within complex defence, government or regulated enterprise or cloud environments.
• Strong technical expertise in cloud platforms such as Azure or AWS and their operational support models.
• Experience supporting containerised applications and orchestration platforms (e.g. Kubernetes, Docker or Open Shift).
• Experience diagnosing and resolving complex production incidents across infrastructure, platforms and applications.
• Strong understanding of Dev Ops and CI/CD practices supporting deployment and operation of modern platforms.
• Experience managing system patching and vulnerability remediation activities in operational environments.
• Experience with monitoring and observability tools (e.g. Prometheus, Grafana, ELK stack).
• Experience coordinating technical activities across engineering, support and service management teams.
• Strong analytical and troubleshooting skills across distributed systems and cloud‑based services.
• Experience supporting operational environments governed by ITIL service management practices.

• Experience supporting cloud‑based environments (e.g. Azure, AWS) or hybrid infrastructure.
• Familiarity with monitoring and observability tools (e.g. Grafana, ELK stack, Prometheus).
• Experience supporting users within secure or regulated environments.
• Experience supporting users during operational events, exercises or high‑demand periods.

• 37‑hour working week with early finish Fridays, giving you a chance to start your weekend early.
• 25 days holiday plus statutory public holidays, with the option to buy and sell up to 5 days and up to 5 paid days volunteering.
• 10.5% company pension contribution with 6% employee contribution.
• Annual company bonus scheme (discretionary) six times salary.
• Life Assurance with pension.
• Flexible benefits scheme with extensive salary sacrifice options including Health Cashplan, Dental and Cycle to Work.
• Enhanced sick pay.
• Family‑friendly policies including enhanced maternity, paternity and shared parental leave.

Employment is open to all qualified applicants. All qualified applications will be given careful consideration without regard to ethnicity, colour, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.