Linux Infrastructure Engineer eDV Cleared

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

JBRP1_UKTJ