VodafoneThree - IT Linux Administrator
Core
Administer and maintain Linux estates within highly secure environments, ensuring critical systems remain available, secure, and performant for sensitive customer operations.
Role type
Senior Linux System Administrator
Builds
Enterprise Linux platforms (RHEL, CentOS), virtualized environments (VMware), and automation scripts
Domain
Telecommunications / Cybersecurity / Critical National Infrastructure
Required skills
Linux administration (RHEL/CentOS), system patching and lifecycle management, server hardening, VMware virtualization, Bash/Python/Ansible scripting, user access management, backup and recovery, security compliance
Preferred skills
Performance tuning, vulnerability remediation, automation development, change management processes
Responsibilities
Administer and maintain Red Hat Enterprise Linux (RHEL) and other Linux-based operating systems; Monitor, troubleshoot and resolve Linux server and application issues; Perform system patching, upgrades and lifecycle management activities; Manage server deployments, configuration and hardening in line with security standards; Support virtualised Linux environments using VMware; Develop and maintain automation scripts using Bash, Python or Ansible; Manage user access, permissions and authentication services; Ensure Linux systems are fully backed up, monitored and recoverable; Support the delivery of infrastructure and security projects; Maintain accurate system documentation, asset records and operational procedures; Contribute to maintaining departmental accreditation and compliance standards
Seniority
Mid-Senior, hands-on IC
