Linux EngineerMust have an Active DV ClearanceLinux Engineer Responsibilities- Provide advanced 2nd and 3rd Line support across RHEL and Ubuntu Server environments.- Build, configure, patch, maintain and troubleshoot Linux operating systems.- Support Legacy RHEL environments, managing life cycle, obsolescence and vulnerability remediation.- Diagnose complex operating system, networking, storage, Kernel and performance issues.- Administer Linux clustering technologies, including Veritas VCS and Red Hat GFS2.- Manage enterprise file systems and logical volume management.- Support storage replication technologies, including SRDF and STAR.- Maintain Linux workloads hosted on VMware virtualisation platforms.- Perform security hardening, access management, auditing and compliance activities.- Configure and troubleshoot LDAP services, networking and connectivity.- Monitor infrastructure performance, capacity and availability.- Support infrastructure upgrades, automation, service transitions and technical improvements.- Manage incidents, problems, changes and configuration records in accordance with ITSM processes.- Collaborate with Networking, Storage, Security, Database and Application teams.- Produce technical documentation and provide guidance to junior engineers.Linux Engineer Skills and Experience- Proven senior 2nd or 3rd Line Linux infrastructure engineering experience.- Strong hands-on experience with Red Hat Enterprise Linux and Ubuntu Server.- Experience supporting ..... full job details .....