Technical Lead

Date Posted:

2026-05-27

Country:

United Kingdom

Location:

Warminster, Wiltshire

Position Role Type:

Hybrid

Key Responsibilities:

• Provide technical leadership for the live operational estate, ensuring the 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, DevOps, 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.

Required Skills and Experience:

• 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 OpenShift).

• Experience diagnosing and resolving complex production incidents across infrastructure, platforms, and applications.

• Strong understanding of DevOps and CI/CD practices supporting deployment and operation of modern platforms.

• Experience managing system patching and vulnerability remediation activities in operational environments.

• Experience working 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.

Desirable Skills and Experience:

• 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.

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.  

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