Linux Engineer - DV Cleared

LA International Computer Consultants Ltd; Reading; On-site; GBP 65,000 - 95,000; Full time

Job summary

LA International Computer Consultants Ltd in Reading is seeking a Linux Engineer with active DV clearance to provide advanced 2nd/3rd line support for RHEL and Ubuntu Server environments.

You will build, patch, maintain and troubleshoot Linux systems, support legacy RHEL, manage clustering (Veritas VCS, GFS2) and storage (VXFS, LVM, ZFS), and work with VMware-hosted workloads. The role requires security compliance and strong documentation skills.

Qualifications

• Senior 2nd or 3rd line Linux infrastructure engineering experience.
• Strong hands-on experience with Red Hat Enterprise Linux and Ubuntu Server.
• Experience with 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 (VXFS, ZFS, EXT3/4, XFS).
• Experience with volume management technologies (LVM, SVM, VXVM).
• Experience with SRDF/STAR storage replication and VMware-hosted Linux environments.

Responsibilities

• Provide advanced 2nd and 3rd Line Linux 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 OS, 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 virtualization platforms.
• Perform security hardening, access management, auditing and compliance activities.

Skills

Advanced Linux

RHEL

Ubuntu Server

VMware

Veritas VCS

GFS2

Tools

Veritas VCS

Red Hat Resilient Storage

VXFS

ZFS

LVM

SRDF

STAR

VMware

Job description

Linux Engineer

Must have an Active DV Clearance.

Linux 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 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.

An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Due to high volume of applications, only shortlisted CVs will be contacted.

Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.