Lorien
Aug 04, 2026
Contractor
DevOps Engineer - SC Cleared Inside IR35 Hybrid - 50% on site About the Role We're seeking an experienced Senior DevOps Engineer to join a highly skilled engineering team responsible for supporting and enhancing a business-critical, high-availability platform that operates as part of the UK's essential financial infrastructure. This is an exciting opportunity to work within a complex enterprise environment where reliability, security, automation, and continuous improvement are at the heart of everything. You'll play a key role in the delivery, operation, and evolution of mission-critical services while helping to shape engineering best practices across the wider technology function. Key Responsibilities Support, maintain and enhance critical production services and platforms. Lead and contribute to infrastructure, tooling and automation improvements. Maintain and develop CI/CD pipelines and deployment processes. Manage environments and oversee safe promotion of code through non-production and production estates. Work closely with architects, developers, platform engineers and operational teams to deliver robust solutions. Provide technical leadership, mentoring and coaching to engineers across the team. Contribute to technology roadmaps, service improvements and strategic planning. Drive adoption of DevOps and Agile best practices. Support incident management activities, including major incident response and post-incident reviews. Participate in an out-of-hours support and release rota for a 24/7 production environment. Ensure operational standards, governance requirements and service level commitments are consistently met Required Experience We're interested in candidates who can demonstrate strong experience across: Production support within mission-critical or highly available environments. Kubernetes and/or OpenShift platforms, particularly in on-premise environments. Linux systems administration. Infrastructure as Code using Terraform. CI/CD tooling, ideally Jenkins. Automation of build, deployment and release processes. Monitoring, observability and platform reliability engineering. Logging, metrics and alerting solutions including technologies such as: ELK Stack Splunk Prometheus Grafana Leading or coordinating major incident response activities. Working within Agile delivery environments and modern DevOps practices. What We're Looking For Successful candidates will bring: Strong technical leadership and mentoring capabilities. Excellent stakeholder management and communication skills. A security-first approach to engineering and operations. Experience balancing operational support with continuous improvement initiatives. Strong documentation, governance and change management practices. The ability to thrive within a collaborative, cross-functional team environment. Exposure to cloud platforms such as Azure, AWS or Google Cloud. Relevant technical certifications across technologies such as Red Hat, Microsoft, Oracle, Kubernetes or Kafka. Degree in Computer Science, Software Engineering, Electronic Engineering or a related discipline. Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.