DV Cleared Linux Infrastructure Engineer

Synergize Consulting; Reading; Presencial; GBP 70.000 - 100.000; Jornada completa

Descripción de la vacante

Synergize Consulting in Reading, United Kingdom, is looking for an experienced Linux Infrastructure Engineer with active DV clearance to support a secure, business-critical on-premises Linux estate.

You will join an enterprise infrastructure team, delivering stability, security and performance, with hands-on 2nd/3rd-line support, platform upgrades and resilience improvements within a tightly controlled environment.

Formación

• Experience administering on-prem Linux in enterprise environments.
• Strong incident management and root-cause analysis.
• Knowledge of security hardening and auditing.
• Experience with storage and clustering technologies.
• Familiarity with LDAP and access controls.

Responsabilidades

• Provide advanced 2nd/3rd-line support for enterprise Linux infrastructure.
• Administer, patch and upgrade RHEL and Ubuntu Server environments.
• Troubleshoot operating-system, kernel, performance, networking, storage and file-system issues.
• Support highly available and clustered Linux services, including Veritas Cluster Server (VCS) and Red Hat Resilient Storage/GFS2.
• Manage enterprise storage and volume technologies, including VXFS, ZFS, XFS, EXT3/4, UFS, SVM, VXVM and LVM.
• Support storage replication, disaster recovery and resilience activities, including SRDF and STAR.
• Maintain system security, access controls, audit logging and compliance requirements, including LDAP, CyberArk and SCCM.
• Investigate recurring faults, perform root-cause analysis and implement preventative improvements.
• Support Linux workloads on VMware or comparable virtualization platforms.
• Contribute to infrastructure upgrades, obsolescence remediation, automation and service transition.
• Maintain technical documentation and follow incident, problem and change management processes.
• Work with infrastructure, networking, storage, security and application teams to resolve complex issues.
• Strong experience in senior Linux Infrastructure Engineer or 2nd/3rd-line Linux support roles.
• Hands-on administration and troubleshooting of Red Hat Enterprise Linux and Ubuntu Server.
• Strong knowledge of Linux system administration, patching, upgrades, security hardening, logging and auditing.
• Practical experience with Veritas Cluster Server and/or Red Hat Resilient Storage/GFS2.
• Knowledge of enterprise file systems and volume management, including VXFS, ZFS, XFS and LVM.
• Experience with enterprise storage replication and disaster recovery, ideally SRDF and STAR.
• Familiarity with VMware virtualization, LDAP, CyberArk and SCCM.
• Strong networking fundamentals, including TCP/IP, DNS, routing, firewalls and connectivity troubleshooting.
• Understanding of container technologies and their interaction with the underlying Linux operating system.
• Excellent diagnostic skills and the ability to resolve complex infrastructure issues in a secure, controlled environment.
• A methodical approach to incident management, technical documentation and change control.

Conocimientos

Senior Linux infrastructure

2nd/3rd-line support

RHEL & Ubuntu

Security hardening

Incident management

Documentation practices

Herramientas

Veritas Cluster Server

Red Hat Resilient Storage/GFS2

VXFS

ZFS

XFS

LVM

SCCM

CyberArk

VMware

Descripción del empleo

We’re looking for an experienced Linux Infrastructure Engineer with active DV clearance to support a highly secure, business-critical infrastructure environment within a major public-sector programme.

You’ll join an enterprise infrastructure team responsible for the stability, security and performance of a complex on-premises Linux estate. This is a hands-on engineering role combining advanced second- and third-line support with infrastructure improvement and project delivery.

You’ll take ownership of complex technical issues, support critical Linux services and contribute to platform upgrades, vulnerability remediation, resilience and service improvement within a tightly controlled environment.

Key Responsibilities

• Provide advanced 2nd/3rd-line support for enterprise Linux infrastructure, taking ownership of complex incidents through to resolution.
• Administer, build, configure, patch and upgrade Red Hat Enterprise Linux (RHEL) and Ubuntu Server environments.
• Troubleshoot operating-system, kernel, performance, networking, storage and file-system issues.
• Support highly available and clustered Linux services, including Veritas Cluster Server (VCS) and Red Hat Resilient Storage/GFS2.
• Manage enterprise storage and volume technologies, including VXFS, ZFS, XFS, EXT3/4, UFS, SVM, VXVM and LVM.
• Support storage replication, disaster recovery and resilience activities, including SRDF and STAR.
• Maintain system security, access controls, audit logging and compliance requirements, including LDAP, CyberArk and SCCM.
• Investigate recurring faults, perform root-cause analysis and implement preventative improvements.
• Support Linux workloads on VMware or comparable virtualisation platforms.
• Contribute to infrastructure upgrades, obsolescence remediation, automation and service transition.
• Maintain technical documentation and follow established incident, problem, change and configuration management processes.
• Work collaboratively with infrastructure, networking, storage, security and application teams to resolve complex technical issues.
• Strong experience in a senior Linux Infrastructure Engineer or 2nd/3rd-line Linux support role.
• Hands-on administration and troubleshooting of Red Hat Enterprise Linux and Ubuntu Server.
• Strong knowledge of Linux system administration, patching, upgrades, security hardening, logging and auditing.
• Practical experience with Veritas Cluster Server and/or Red Hat Resilient Storage/GFS2.
• Knowledge of enterprise file systems and volume management, including VXFS, ZFS, XFS and LVM.
• Experience with enterprise storage replication and disaster recovery, ideally SRDF and STAR.
• Familiarity with VMware virtualisation, LDAP, CyberArk and SCCM.
• Strong networking fundamentals, including TCP/IP, DNS, routing, firewalls and connectivity troubleshooting.
• Understanding of container technologies and their interaction with the underlying Linux operating system.
• Excellent diagnostic skills and the ability to resolve complex infrastructure issues in a secure, controlled environment.
• A methodical approach to incident management, technical documentation and change control.