We are partnered with a high-performing technology organisation that builds complex, large-scale systems, and they are looking for an experienced Linux Systems Engineer to join their infrastructure team. This is a hybrid role with 2 days per week in their Central London office.What you'll be doing:
Auditing and documenting existing build servers, scripts, and Ansible playbooks
Mapping dependencies across Linux configuration, Ansible, Packer, and AWS AMI pipelines
Refactoring and modularising Ansible playbooks and Packer templates for efficiency and scalability
Designing and implementing automated functional test suites (e.g. Testinfra, InSpec) and integrating them into CI pipelines (Jenkins, GitLab CI)
Producing runbooks and knowledge transfer documentation to support wider adoption across the organisation
Key skills required:
Strong Linux engineering background, including systems, networking, storage, and security hardening
Expertise in Ansible (idempotent playbooks, multi-distro support)
Hands-on experience with Packer (HCL/JSON templates, caching, builders vs. provisioners)
AWS knowledge (EC2, AMI lifecycle, snapshotting, launch permissions)
Familiarity with CI/CD tools such as Jenkins or GitLab CI
Exposure to functional testing frameworks such as Testinfra or InSpec
What's on offer:
Competitive salary + benefits package
Flexible hybrid working (2 days onsite in Central London)
The chance to work on technically complex, mission-critical systems in a collaborative engineering environment
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