We are seeking a highly skilled Linux Infrastructure Engineer to support a leading specialist consultancy. You will manage, maintain, and scale secure, resilient Linux environments across physical, virtual, and cloud platforms. Acting as a subject matter expert, you will drive automation and performance tuning to support business-critical services.
This permanent, on-site role requires a green badge (eDV) Security Clearance to work high side.
About the Client
Our client is a highly respected specialist consultancy dedicated to driving efficiency, strategic alignment, and innovation within complex environments. Dedicated to high availability and operational excellence, they provide a structured and collaborative environment where professionals can truly optimise infrastructure performance. Due to sustained growth and new project demands, they are currently expanding their technical delivery teams.
Key Responsibilities
* Design, implement, and support secure, resilient Linux-based infrastructure environments (e.g., Red Hat, Ubuntu, CentOS).
* Manage, maintain, and optimise Linux servers across physical, virtual, and cloud platforms.
* Automate infrastructure provisioning and configuration management using tools such as Ansible, Puppet, or Terraform.
* Perform system monitoring, performance tuning, and capacity planning to ensure high availability.
* Troubleshoot and resolve complex infrastructure and OS-level issues, conducting thorough root cause analysis.
* Manage system patching, security updates, backups, and disaster recovery processes.
* Implement security best practices, including system hardening, access control, and vulnerability management.
* Support deployment processes, migrations, and new software releases whilst maintaining meticulous documentation.
* Collaborate with cross-functional teams to provide 2nd and 3rd line support for infrastructure-related incidents.
Required Skills and Experience
* Proven experience in Linux system administration covering platforms like RHEL, Ubuntu, or CentOS.
* Proficiency in scripting languages such as Bash or Python for automation tasks.
* Hands-on experience with configuration management tools like Ansible, Puppet, or Chef.
* Solid understanding of networking fundamentals (TCP/IP, DNS, DHCP, firewalls).
* Experience with monitoring, logging, and virtualisation technologies (e.g., VMware, KVM, Nagios, Prometheus, Splunk).
* Familiarity with containerisation technologies including Docker and Kubernetes.
* Knowledge of cloud platforms such as AWS, Azure, or GCP.
* Strong analytical, problem-solving, and communication skills under pressure.
* Strict Requirements: Candidates must hold an active eDV clearance (Green Badge) and be fully prepared to work high side. The role also requires being on-site 4 to 5 days per week.
Desirable Criteria:
* Experience with Infrastructure as Code (Terraform, CloudFormation) and CI/CD pipelines.
* Knowledge of identity management systems (LDAP, DNS) and security frameworks.
* Experience working within secure or highly regulated environments.
* Professional certifications such as RHCSA, RHCE, or CompTIA Linux+.
* A degree in Computer Science, Information Technology, or a related field (or equivalent practical experience).
What can they offer in return?
In addition to a competitive salary the business also offers the following benefits:
* Annual Leave: 25 days + bank holidays
* Pension: 4% employer contribution
* Life Assurance: 3x basic salary
* Medical Insurance: Cashback plan for dental, optical, and therapy costs
* Learning & Development: Training budgets, Udemy access, and qualification funding
* Salary Sacrifice Schemes: Pension exchange, electric cars, cycle-to-work, and holiday buying/selling
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