Linux System Administrator

Role: Linux Systems Administrator

Location: London – 5 days on-site

Duration: 6 months

Key Essential Skills:

• 9+ years of experience as a Linux System Administrator (preferably in enterprise environments).
• Proven experience with Unix-to-Linux migration projects.
• Strong knowledge of Red Hat Enterprise Linux (RHEL) administration.
• Experience with Oracle database environments in Linux.
• Proficiency in automation tools such as Ansible and scripting languages (Shell, Bash, Python).
• Solid understanding of VMware virtualization technologies.
• Expertise in system performance tuning, security hardening, and patch management.
• Strong troubleshooting and root cause analysis skills.
• Ability to work collaboratively with cross-functional teams during large-scale migrations.

Desirable Skills:

• Experience with Solaris administration prior to migration.
• Strong communication skills for effectively explaining technical concepts to non-technical stakeholders.
• Collaboration and teamwork mindset, especially in cross-functional environments.
• Adaptability to work in dynamic, fast-changing migration projects.
• Analytical thinking for diagnosing complex issues and anticipating potential migration challenges.

Overview:

We are seeking an experienced Linux System Administrator to join our Infrastructure team. This role is critical in supporting the migration of a key enterprise application from Solaris to Red Hat Enterprise Linux (RHEL), including the associated Oracle database migration. The ideal candidate will have hands-on experience with Unix-to-Linux migrations, Oracle database environments, and strong troubleshooting and automation skills.

Role & Responsibilities:

• Lead and support the migration of enterprise applications from Solaris to Red Hat Enterprise Linux (RHEL).
• Collaborate with the DBA team to support the Oracle database migration during the platform transition.
• Plan, configure, and maintain RHEL servers in physical and virtualized environments (e.g., VMware).
• Develop and maintain infrastructure-as-code and automation scripts using tools such as Ansible, Shell scripting, or Python.
• Ensure system security, availability, and performance by applying patches, monitoring systems, and conducting regular audits.
• Work with application owners, developers, and other infrastructure teams to ensure a seamless migration.
• Perform root cause analysis on system failures and implement long-term fixes.
• Maintain documentation for system configurations, processes, and standard operating procedures.