DV Cleared Linux Systems Engineer

Synergize Consulting; Reading; On-site; GBP 70,000 - 100,000; Full time

Job summary

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.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Senior Linux infrastructure

2nd/3rd-line support

RHEL & Ubuntu

Security hardening

Incident management

Documentation practices

Tools

Veritas Cluster Server

Red Hat Resilient Storage/GFS2

VXFS

ZFS

XFS

LVM

SCCM

CyberArk

VMware

Job description

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.