Linux Engineer

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 lifecycle, 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.

Proven senior 2nd or 3rd Line Linux infrastructure engineering experience.

• Strong hands-on experience with Red Hat Enterprise Linux and Ubuntu Server.
• Experience supporting large-scale, business-critical Linux environments.
• Knowledge of Legacy RHEL versions, ideally RHEL 5.x through 8.x.
• Advanced Linux troubleshooting across kernels, services, packages, permissions, networking and performance.
• Experience with Veritas VCS clustering and Red Hat Resilient Storage/GFS2.
• Strong knowledge of enterprise file systems, including VXFS, ZFS, EXT3/4, XFS and UFS.
• Experience with volume management technologies, including SVM, VXVM and LVM.
• Working knowledge of SRDF and STAR storage replication.
• Experience supporting Linux infrastructure hosted on VMware.
• Understanding of CyberArk and SCCM compliance requirements.
• Strong Linux security knowledge, including auditing, logging, access controls and hardening.
• Experience configuring and troubleshooting LDAP server and client services.
• Strong networking knowledge, including TCP/IP, DNS, routing and firewalls.
• Understanding of container technologies and their interaction with Linux operating systems.
• Experience working within ITIL-based Incident, Problem, Change and Configuration Management processes.
• Strong analytical, troubleshooting, documentation and stakeholder communication skills.
• Ability to work independently and support complex technical investigations.

Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world’s most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.