Infrastructure Systems Administrator (Windows/Linux) (Systems Engineer)

Role Overview

The Infrastructure System Administrator is responsible for the reliable operation, security, and optimization of Windows and Linux server environments , cloud resources , and hyperconverged infrastructure (HCI) across SFM Sports venues.

The role ensures high availability, performance, and security of on-premises and hybrid cloud systems through proactive monitoring, automation, troubleshooting, and adherence to best practices. This position plays a critical role in supporting business continuity and seamless IT operations across multiple venues.

Key Responsibilities

1. General System & Infrastructure Management

• Monitor server performance, capacity, and availability using enterprise tools such as Zabbix, Grafana, Nagios, and SolarWinds .
• Perform system backups, disaster recovery testing, and data integrity checks.
• Apply security patches, updates, and vulnerability remediation across all infrastructure components.
• Optimize system configurations, hardware utilization, and virtualization resources.
• Maintain accurate and up-to-date system documentation, runbooks, and incident records.

2. Cloud & Hybrid Infrastructure Management

• Configure, monitor, and maintain cloud resources including virtual machines, storage, and networking .
• Support hybrid cloud integrations such as directory synchronization and identity-aware services .
• Perform cloud cost optimization reviews and scaling activities.
• Troubleshoot cloud-related issues and collaborate with cloud architects on advanced deployments.
• Ensure compliance with cloud security, governance, and operational policies.

3. Windows & Linux Server Operations

• Administer Windows Server environments , including installation, configuration, clustering, and failover.
• Manage Linux servers , with a strong focus on Red Hat-based distributions (RHEL, CentOS, Rocky Linux).
• Perform server hardening and firewall configuration in line with CIS benchmarks .
• Automate provisioning, patching, and maintenance using PowerShell, Bash, and Ansible .
• Conduct root cause analysis and resolve server-related incidents and performance issues.

4. Active Directory & Identity Management

• Manage Active Directory users, groups, permissions, and Group Policy Objects (GPOs).
• Monitor AD health and replication; perform regular security and compliance audits.
• Support hybrid identity integrations with Azure AD.
• Enforce least-privilege access and conduct periodic access reviews.
• Support directory upgrades, migrations, and federation services.

5. Hyperconverged Infrastructure (HCI) Operations

• Deploy and manage HCI clusters , including node configuration and storage pools.
• Balance workloads and optimize resource utilization across HCI nodes.
• Implement and test high-availability and disaster recovery mechanisms.
• Apply firmware and hypervisor updates to HCI platforms.
• Monitor system health using tools such as Nutanix Prism and VMware vSAN dashboards.

Qualifications & Experience

Required Experience

• 3–5 years of experience in IT infrastructure administration.
• Minimum 2 years managing Windows Server and Linux environments.
• Hands-on experience with hybrid cloud and on-premises infrastructures .
• Strong troubleshooting experience across Windows, Linux, and virtualization platforms.
• Experience with ITIL-based incident, problem, and change management processes.
• Familiarity with ITSM tools such as ServiceNow or Remedy .
• Ability to support multi-site and fast-paced operational environments .

Education

• Bachelor’s degree in Computer Science, Information Technology , or equivalent experience.

Certifications (Preferred)

• Microsoft Windows Server certifications
• Linux certifications (Red Hat or equivalent)
• VMware and/or Nutanix certifications
• Hyperconverged Infrastructure certifications
• Cloud platform certifications (Azure, AWS, or GCP)

Key Technical Skills

• Advanced Windows Server administration (AD, GPO, clustering, PowerShell)
• Strong Linux administration skills (RHEL-based systems, scripting, performance tuning)
• Virtualization platforms: VMware and Nutanix
• Cloud infrastructure management (public and hybrid environments)
• Automation tools: PowerShell, Bash, Ansible
• Enterprise monitoring and alerting solutions
• Backup, disaster recovery, and business continuity planning
• Strong documentation, communication, and collaboration skills
• Analytical problem-solving and root cause analysis capabilities