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Posted 06 August, 2026

Devops Engineer - SC Cleared

Lorien
London, ENG, GB Full Time

Job Description

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DevOps Engineer - SC Cleared

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Inside IR35

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Hybrid - 50% on site

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About the Role

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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.

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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.

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Key Responsibilities

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  • Support, maintain and enhance critical production services and platforms.
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  • Lead and contribute to infrastructure, tooling and automation improvements.
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  • Maintain and develop CI/CD pipelines and deployment processes.
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  • Manage environments and oversee safe promotion of code through non-production and production estates.
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  • Work closely with architects, developers, platform engineers and operational teams to deliver robust solutions.
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  • Provide technical leadership, mentoring and coaching to engineers across the team.
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  • Contribute to technology roadmaps, service improvements and strategic planning.
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  • Drive adoption of DevOps and Agile best practices.
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  • Support incident management activities, including major incident response and post-incident reviews.
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  • Participate in an out-of-hours support and release rota for a 24/7 production environment.
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  • Ensure operational standards, governance requirements and service level commitments are consistently met
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Required Experience

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We're interested in candidates who can demonstrate strong experience across:

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  • Production support within mission-critical or highly available environments.
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  • Kubernetes and/or OpenShift platforms, particularly in on-premise environments.
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  • Linux systems administration.
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  • Infrastructure as Code using Terraform.
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  • CI/CD tooling, ideally Jenkins.
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  • Automation of build, deployment and release processes.
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  • Monitoring, observability and platform reliability engineering.
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  • Logging, metrics and alerting solutions including technologies such as:
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  • ELK Stack
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  • Splunk
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  • Prometheus
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  • Grafana
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  • Leading or coordinating major incident response activities.
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  • Working within Agile delivery environments and modern DevOps practices.
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  • What We're Looking For
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Successful candidates will bring:

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  • Strong technical leadership and mentoring capabilities.
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  • Excellent stakeholder management and communication skills.
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  • A security-first approach to engineering and operations.
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  • Experience balancing operational support with continuous improvement initiatives.
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  • Strong documentation, governance and change management practices.
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  • The ability to thrive within a collaborative, cross-functional team environment.
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  • Exposure to cloud platforms such as Azure, AWS or Google Cloud.
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  • Relevant technical certifications across technologies such as Red Hat, Microsoft, Oracle, Kubernetes or Kafka.
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  • Degree in Computer Science, Software Engineering, Electronic Engineering or a related discipline.
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Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.