Senior Systems Engineer, RHEL Linux Specialist, FinTech

ManpowerGroup Greece

full-time

Posted on: 9/23/2025

Origin: • 🇬🇷 Greece

✨ AI Apply

Senior

AnsibleAzureCloudGrafanaLinuxPrometheusPythonVMware

About the role

Manage the provisioning, installation, configuration, operation, and maintenance of systems hardware, software, and infrastructure
Support innovation, performance, and reliability while ensuring systems and procedures adhere to organizational standards
Manage, configure, and optimize Red Hat Enterprise Linux (RHEL) systems for performance, reliability, and security
Monitor system health, analyze logs, and tune performance to meet SLA targets
Implement security hardening policies, patch management, and compliance standards
Develop and maintain automation scripts/playbooks using Ansible to streamline deployments and configuration management
Manage virtualization platforms VMware and Red Hat Virtualization
Design, configure, and maintain clustering and distributed architectures
Implement and manage HA/DR strategies, including failover testing and backup validation
Manage and optimize workloads in Microsoft Azure (hybrid cloud solutions)
Implement secure connectivity between on-premises and cloud environments
Integrate and support Atlassian products (Jira, Confluence) within the IT ecosystem
Conduct vulnerability assessments, implement remediation measures, and align with security best practices (SELinux, firewalld, encryption, RBAC)
Support auditing, compliance, and access control requirements

A BSc / MSc degree in Computer Science or a related field
7+ years in Red Hat Linux administration and enterprise environments
Strong knowledge of RHEL 7/8/9 system administration, performance tuning, and troubleshooting
Hands-on experience with Ansible automation
Strong background in virtualization technologies (VMware, RHV)
Expertise in clustering, HA, and DR solutions
Experience with Microsoft Azure cloud services
Knowledge of containerization and orchestration
System hardening, SELinux, patching, access control, encryption, and monitoring
Hands-on with Atlassian suite (Jira, Confluence)
Strong problem-solving and analytical skills
Excellent communication and documentation abilities
Ability to work in agile and cross-functional teams
Strong analytical skills with the ability to translate high-level requirements into actionable tasks
Excellent problem-solving skills and organization skills with attention to detail
Excellent communication abilities in both Greek and English
Team Leading experience (highly appreciated)
Certifications: RHCE, RHCSA, Red Hat Certified Architect, Azure Administrator/Architect (highly appreciated)
Scripting knowledge in Python, Bash, or PowerShell (highly appreciated)
Experience with monitoring tools (Nagios, Prometheus, Grafana, Zabbix) (highly appreciated)
Familiarity with Git, CI/CD pipelines, and DevSecOps practices (highly appreciated)