Infrastructure Systems Administrator

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

2. Monitor server performance, capacity, and availability using enterprise tools such as
   Zabbix, Grafana, Nagios, and SolarWinds
   .

3. Perform system backups, disaster recovery testing, and data integrity checks.
4. Apply security patches, updates, and vulnerability remediation across all infrastructure components.
5. Optimize system configurations, hardware utilization, and virtualization resources.

6. Maintain accurate and up-to-date system documentation, runbooks, and incident records.

7. Cloud & Hybrid Infrastructure Management

8. Configure, monitor, and maintain cloud resources including
   virtual machines, storage, and networking
   .

9. Support hybrid cloud integrations such as
   directory synchronization and identity-aware services
   .
10. Perform cloud cost optimization reviews and scaling activities.
11. Troubleshoot cloud-related issues and collaborate with cloud architects on advanced deployments.

12. Ensure compliance with cloud security, governance, and operational policies.

13. Windows & Linux Server Operations

14. Administer
    Windows Server environments
    , including installation, configuration, clustering, and failover.

15. Manage
    Linux servers
    , with a strong focus on
    Red Hat-based distributions
    (RHEL, CentOS, Rocky Linux).
16. Perform server hardening and firewall configuration in line with
    CIS benchmarks
    .
17. Automate provisioning, patching, and maintenance using
    PowerShell, Bash, and Ansible
    .

18. Conduct root cause analysis and resolve server-related incidents and performance issues.

19. Active Directory & Identity Management

20. Manage
    Active Directory
    users, groups, permissions, and Group Policy Objects (GPOs).

21. Monitor AD health and replication; perform regular security and compliance audits.
22. Support
    hybrid identity integrations
    with Azure AD.
23. Enforce least-privilege access and conduct periodic access reviews.

24. Support directory upgrades, migrations, and federation services.

25. Hyperconverged Infrastructure (HCI) Operations

26. Deploy and manage
    HCI clusters
    , including node configuration and storage pools.

27. Balance workloads and optimize resource utilization across HCI nodes.
28. Implement and test
    high-availability and disaster recovery
    mechanisms.
29. Apply firmware and hypervisor updates to HCI platforms.
30. 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