Linux Administrator

Job Title: Linux Administrator

Location: Moorgate, London (5 days in office)

Type: FTE / Subcon / Permanent

Certification: RHCE (must-have)

Role Overview

We are looking for a skilled Linux Administrator to manage and support Linux systems, automate infrastructure, and ensure high availability across servers and applications.

Key Responsibilities

• Administer and manage Linux systems (RHEL, CentOS).
• Work with virtualization technologies (VMware).
• Use automation tools (Ansible) for deployments.
• Write and maintain scripts (Python, Bash).
• Perform MySQL database administration .
• Manage LAMP stack (Apache, PHP, MySQL).
• Deploy and administer RedHat Satellite for package management.
• Integrate Linux with Microsoft Active Directory .
• Configure and manage Postfix mail server .
• Troubleshoot networking and firewall issues.
• Use monitoring tools for performance tuning and system health checks .
• Document processes and collaborate effectively with cross-functional teams.

Must-Have Skills

• RHCE Certification
• Linux Administration (RHEL/CentOS)
• VMware
• Ansible (Automation)
• Python, Bash/Shell Scripting
• MySQL Administration
• Apache, PHP (LAMP stack)
• Networking fundamentals, firewalls
• Monitoring tools (Grafana, Prometheus, Splunk, Kibana, Dynatrace, AppDynamics)
• Strong communication & documentation

Additional Skills (Good to Have)

• Microsoft Active Directory integration
• Postfix mail package
• Kubernetes, Docker, Nginx, Tomcat, WebSphere, JBoss
• Cloud platforms (AWS, Azure, DevOps tools)
• Databases: PostgreSQL, MongoDB, Cassandra, Oracle, DB2, SQL Server
• ServiceNow (ITSM, ITOM), Jira, BMC Helix, Control-M
• BI/Analytics: PowerBI, Cognos, Crystal Reports
• Programming: Java, C, C#, C++, .NET, React, Angular, JavaScript
• ERP Testing (JDA, PoS, PLM, Infor LN, JDE, PeopleSoft)