Black & Grey HR is recruiting for a leading technology solutions and services provider in Doha Qatar. Our client is looking to hire a Infrastructure Systems Administrator (Windows/Linux) who will be responsible for the reliable management maintenance and optimization of a major sports venues IT infrastructure including Windows servers Red Hat-based Linux servers cloud resources and hyperconverged infrastructure (HCI) platforms such as Nutanix and VMware vSAN. This role ensures high availability security and performance across all systems by proactively monitoring troubleshooting and implementing best practices in both on-premises and cloud environments. The administrator supports business continuity scalability and operational excellence playing a key part in enabling seamless IT operations.
Responsibilities:
General System Management
- Monitor server performance capacity and resource utilization using enterprise monitoring tools (e.g. Zabbix Grafana Nagios SolarWinds).
- Perform regular system backups disaster recovery drills and data integrity checks.
- Apply security patches updates and conduct vulnerability assessments across all infrastructure components.
- Optimize system configurations for efficiency including hardware provisioning and virtualization management (e.g. VMware Nutanix).
- Maintain comprehensive documentation for system configurations procedures and incident responses.
Cloud Infrastructure Management
- Configure and monitor cloud resources (e.g. virtual machines storage networking) across public and hybrid environments.
- Assist in hybrid cloud integrations (e.g. directory synchronization identity-aware proxies) for seamless on-premises to cloud transitions.
- Perform cost optimization reviews and scaling adjustments for cloud workloads.
- Support troubleshooting and resolution of cloud-specific issues collaborating with cloud architects for advanced deployments.
- Ensure compliance with cloud security and governance policies.
Windows and Linux Server Operations
- Administer Windows Server environments (installation configuration clustering failover management).
- Manage Linux servers with a strong emphasis on Red Hat-based distributions (e.g. RHEL CentOS Rocky Linux) including shell scripting package management (yum/dnf) and performance tuning.
- Enforce server hardening and firewall rules ensuring compliance with security benchmarks.
- Automate server provisioning and maintenance using PowerShell (Windows) and Ansible/Bash (Linux).
- Conduct root cause analysis and remediation for server-related incidents.
Active Directory Management
- Manage user and group policies permissions and authentication via Group Policy Objects (GPOs) and Azure AD hybrid setups.
- Monitor Active Directory health; perform regular security and compliance audits.
- Integrate Active Directory with other systems for cross-platform identity management.
- Implement and maintain least privilege access principles and periodic access reviews.
- Support directory migrations upgrades and federation services as required.
HCI Environment Management
- Configure nodes and storage pools for hyper-converged infrastructure clusters.
- Balance workloads across nodes for optimal performance and resource utilization.
- Implement failover clustering and test disaster recovery scenarios to ensure high availability.
- Apply firmware updates to HCI hardware and hypervisor software.
- Use vendor tools (e.g. Nutanix Prism VMware vSAN) for ongoing health monitoring and checks.
Requirements
Experience & Education
- 5 years of hands-on experience in IT infrastructure administration with at least 2 years focused on Windows Server and Linux environments.
- Proven experience managing hybrid IT setups including public and hybrid cloud environments.
- Bachelors degree in Computer Science Information Technology or equivalent practical experience.
Preferred Certifications
- Microsoft and Linux Certifications (e.g. RHCSA MCSA).
- Hyperconverged Infrastructure Certifications (e.g. Nutanix Dell VxRail).
- Virtualization Certifications (e.g. VMware VCP).
- Cloud certifications (e.g. AWS Azure).
Required Skills
- In-depth proficiency in Windows Server administration including Active Directory Group Policy PowerShell automation and server clustering.
- Advanced Linux server management skills with a strong focus on Red Hat-based distributions (installation configuration patching performance tuning security hardening and troubleshooting).
- Hands-on experience with virtualization platforms especially VMware and Nutanix (deployment management and optimization).
- Experience configuring and managing cloud resources (virtual machines storage networking) in public and hybrid cloud environments.
- Expertise in enterprise backup disaster recovery and business continuity planning.
- Ability to automate tasks using tools such as Ansible Bash and PowerShell.
- Strong analytical skills to resolve complex infrastructure issues conduct root cause analysis and implement preventive measures.
- Excellent documentation communication and collaboration skills.
Benefits
- Attractive Salary Benefits
Required Skills:
Experience & Education - 5 years of hands-on experience in IT infrastructure administration with at least 2 years focused on Windows Server and Linux environments. - Proven experience managing hybrid IT setups including public and hybrid cloud environments. - Bachelors degree in Computer Science Information Technology or equivalent practical experience. Preferred Certifications - Microsoft and Linux Certifications (e.g. RHCSA MCSA). - Hyperconverged Infrastructure Certifications (e.g. Nutanix Dell VxRail). - Virtualization Certifications (e.g. VMware VCP). - Cloud certifications (e.g. AWS Azure). Required Skills - In-depth proficiency in Windows Server administration including Active Directory Group Policy PowerShell automation and server clustering. - Advanced Linux server management skills with a strong focus on Red Hat-based distributions (installation configuration patching performance tuning security hardening and troubleshooting). - Hands-on experience with virtualization platforms especially VMware and Nutanix (deployment management and optimization). - Experience configuring and managing cloud resources (virtual machines storage networking) in public and hybrid cloud environments. - Expertise in enterprise backup disaster recovery and business continuity planning. - Ability to automate tasks using tools such as Ansible Bash and PowerShell. - Strong analytical skills to resolve complex infrastructure issues conduct root cause analysis and implement preventive measures. - Excellent documentation communication and collaboration skills.
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