DevOps Platform Engineer

London Source: WhatJobs

£470/day

Location: Leeds / Halifax / Manchester / London, UK

Contract Duration: 12 Months

Rate: £470 per day inside IR35

Are you an experienced DevOps / Platform Engineer with strong hands‑on expertise in Harness, Ansible Automation Platform and enterprise-scale automation , ideally gained within the banking or financial services sector ?

We’re looking for a highly skilled DevOps Platform Engineer to design, build, automate and manage scalable, secure and reliable infrastructure platforms that enable development teams to deliver applications efficiently within a large-scale banking environment .

The role will focus on Harness and Ansible as centralised enterprise platforms , supporting multiple engineering and development teams. You’ll be responsible for platform reliability, automation, security, integrations and developer experience, with the opportunity to influence how platform services are delivered across the organisation.

Key Responsibilities

Design, build and manage centralised Harness and Ansible platform capabilities
Administer and maintain Harness CI/CD at enterprise scale
Develop and manage pipeline-as-code and reusable Harness templates
Design and maintain robust, reusable Ansible Playbooks, Roles and Collections
Manage Ansible Automation Platform (AAP) and Ansible Core environments
Manage inventories, execution environments and RBAC across centralised Ansible instances
Deliver Harness and Ansible as shared services for multiple engineering and development teams
Apply a Platform-as-a-Product approach to internal tooling and services
Develop clear technical documentation, standards and guidance
Support containerised automation using Docker and Kubernetes
Implement security guardrails, secrets management and compliance controls within central pipelines
Integrate platforms with enterprise tools including Jira, ServiceNow, GitHub/GitLab and monitoring platforms
Develop and maintain API-based integrations between Harness, Ansible and other enterprise services
Identify and resolve platform reliability, performance and automation issues

Required Skills & Experience

Proven experience as a Platform Engineer, DevOps Platform Engineer, DevOps Engineer or similar
Strong hands‑on experience administering Harness CI/CD
Experience with Harness pipeline-as-code and template management
Strong enterprise experience with Ansible and Ansible Automation Platform (AAP)
Excellent knowledge of Ansible Playbooks, Roles and Collections
Experience managing Ansible inventories, execution environments and RBAC
Experience delivering CI/CD and automation platforms as centralised/shared services
Experience supporting multiple engineering/development teams at enterprise scale
Strong understanding of Platform Engineering and Platform-as-a-Product principles
Solid experience with Docker and Kubernetes
Experience implementing security controls and compliance guardrails within CI/CD platforms
Experience with HashiCorp Vault or similar secrets-management solutions
Strong understanding of RBAC and secure platform administration
Experience integrating platforms using APIs
Experience integrating with tools such as Jira, ServiceNow, GitHub/GitLab and monitoring platforms
Banking / financial services experience is highly desirable
Ability to understand developer requirements and translate them into scalable platform solutions
Experience supporting platforms used by 1,000+ developers
Experience building or managing Internal Developer Platforms (IDPs)
Experience working within large banking or regulated financial services environments
Strong DevSecOps background
Experience establishing self-service capabilities for development teams
Experience with enterprise-scale cloud infrastructure and automation
Experience working with GitOps / Infrastructure-as-Code practices
Relevant certifications in Ansible, Kubernetes, DevOps or cloud technologies