Remote Linux Systems Engineer — Migration & Automation

SR2 REC LTD; Greater London; Remote; GBP 83,000 - 124,000; Full time

Job summary

SR2 REC LTD is seeking a Linux Systems Engineer for a remote contract to support the upgrade and migration of established infrastructure services. This hands-on role covers Linux administration, legacy Unix migration, security improvements and operational automation.

You will own technical discovery, perform production upgrades and migrate the Solaris service onto RHEL, working with infrastructure, security and operations teams to ensure changes are validated and documented with clear handover

Qualifications

• Hands-on Linux systems administration across Debian and Red Hat Enterprise Linux.
• Experience delivering production upgrades and migrating Unix/Linux services.
• Ability to investigate system configurations, dependencies and issues.
• Knowledge of SSH, SFTP, access controls and user management.
• Scripting and automation for configuration, file transfers and maintenance.
• Experience planning cutovers and validating changes.
• Clear communication with security and support teams.

Responsibilities

• Assess existing infrastructure and plan changes.
• Deliver Debian upgrades and bring systems to a supported baseline.
• Build and configure a replacement RHEL environment and migrate services from Solaris.
• Strengthen SSH/SFTP controls and account administration.
• Improve automation, file-transfer and housekeeping scripts, monitoring and checks.
• Produce runbooks and document risks and recommendations.

Skills

Linux administration

Production upgrades

Unix/Linux migration

SSH / SFTP security

Automation scripting

Documentation

Communication with security teams

Job description

SR2 REC LTD is seeking a Linux Systems Engineer for a remote contract to support the upgrade and migration of established infrastructure services. This hands-on role covers Linux administration, legacy Unix migration, security improvements and operational automation.

You will own technical discovery, perform production upgrades and migrate the Solaris service onto RHEL, working with infrastructure, security and operations teams to ensure changes are validated and documented with clear handover