Linux Specialist

Linux Specialist - Migration & Configuration

Location: Remote with potential onsite support (Azure DC)

Duration: Initial engagement (TBD)

Start: ASAP

We are seeking an experienced Linux engineer with strong skills in data migration, clustering, and service configuration to support a migration project. The source environment is a CentOS7 cluster, and the target environment is an Azure-hosted Ubuntu cluster.

Responsibilities

• Data Migration
  • Securely migrate MariaDB MySQL databases.
  • Migrate Redis data and FTP content (rsync, scp, mysqldump, backup/restore).
  • Rebuild and configure NGINX vHosts in the new environment.
• Cluster & Replication Configuration
  • Configure PCS & Corosync for cluster logic, resources, constraints, and fencing.
  • Setup and validate DRBD block-level replication between Azure VMs.
  • Handle DRBD initialization, sync, and split-brain scenarios.
• Service Installation & Configuration
  • Install and configure Redis, NGINX, and ProFTP on Ubuntu-based Azure VMs.
  • Integrate with Azure services (Availability Sets/Zones, Load Balancer, Backup, Monitor, Defender).
• Testing & Validation
  • Ensure services are fully operational post-migration.
  • Test HA clustering, replication failover, and service recovery.

Required Skills & Experience

• Proven experience with Linux administration (Ubuntu, CentOS7).
• Strong knowledge of MariaDB/MySQL, Redis, NGINX, ProFTP.
• Hands-on experience with PCS/Corosync cluster configuration.
• Deep understanding of DRBD setup and replication management.
• Familiarity with Azure IaaS environments (VMs, Load Balancer, Availability Zones).
• Experience in data migration planning and execution with minimal downtime.
• Strong troubleshooting skills, especially in HA and replication environments.
• Experience integrating open-source services with Azure-native monitoring and backup tools.
• Previous work on cloud migration projects with high availability requirements.
• Exposure to containerisation (Docker/Kubernetes) for future-proofing.

If you are available and interested in this opportunity, please apply for further information. Please note due to high volumes of applications we are unable to contact every application.

If you do not hear back from us within 7 days of sending your application, please assume that you have not been successful on this occasion.

At Lucid, we celebrate difference and value diverse perspectives, underpinned by our values 'Honesty, Integrity and Pragmatism'. We are proud to provide equal opportunities in line with our Diversity and Inclusion policy and welcome applications from all suitably qualified or experienced people, regardless of personal characteristics. If you have a disability or health condition and seek support throughout the recruitment process, please do not hesitate to contact us via the details below.