We are seeking an experienced
Senior Linux Administrator
to join our Information Systems team.
The successful candidate will play a key role in supporting and maintaining Linux hosting environments, ensuring system stability, security, and performance across on-premise and cloud platforms.
Key Responsibilities:
Take ownership of assigned incidents, service requests, and operational tickets within the Linux hosting environment
Troubleshoot and resolve ICT service issues in collaboration with Information Systems colleagues
Perform day-to-day system administration and ensure systems are operating efficiently and securely
Maintain, patch, and upgrade Red Hat Linux environments in line with security and compliance standards
Monitor system performance, availability, and capacity
Support and enhance DevOps policies, standards, and procedures
Maintain accurate and up-to-date technical documentation
Liaise with third-party vendors and service providers
Conduct regular disaster recovery testing and ensure backup and recovery documentation is current
Technical Environment:
Modern and diverse technology stack, including
Operating Systems:
RHEL 8 (with upgrade to RHEL 10 planned)
Automation & Scripting:
Ansible Automation Platform, Automation Hub, Bash
Version Control:
Git (Bitbucket), SVN
CI/CD:
Jenkins, SonarQube, Sonatype
About You
You will bring a strong technical background combined with a structured, proactive approach to system administration/
Minimum
7 years' experience
in a senior or equivalent Linux administration role
Advanced understanding of Linux concepts, systems, and infrastructure
Strong knowledge of policies, standards, and controls within a large enterprise or financial services environment
Experience working with third-party vendors
Relevant technical certifications or accreditations
Previous experience working within financial institutions or regulated environments
Strong troubleshooting, analytical, and problem-solving skills
Ability to work independently with minimal supervision
Excellent organisational, time-management, and prioritisation skills
Strong communication and interpersonal skills
Ability to work to defined SLAs and take ownership of issues
High attention to detail and commitment to quality
Team-focused, flexible, and proactive work attitude
Candidates must have Stamp 4, EU or Irish passport and be in Ireland
Send your CV to
#J-*****-Ljbffr