Senior Network & Systems Administrator

This is a Full Time Job

We are seeking an experienced and motivated Senior Network & Systems Administrator to join our Enterprise Technology team. This position reports directly to the Manager, Network & Systems Operations.

What You Will Do:
• Execute operational priorities established by the Manager, Network & Systems Operations to maintain reliable infrastructure performance
• Serve as the senior technical escalation point for complex network, systems, and security incidents
• Administer and support Cisco networking environments including routing, switching, and UCS FlexPod infrastructure
• Manage VMware ESXi and vSphere virtualization platforms supporting production workloads
• Administer Windows Server Environment 2012R2 through 2025 and Active Directory services
• Maintain and optimize NetApp storage platforms including replication, monitoring, and lifecycle management
• Support Microsoft 365 services and hybrid identity architecture including Entra ID
• Administer Palo Alto firewalls and enforce network security controls
• Serve as the primary technical liaison to the Managed Security Services Provider and SOC
• Review, validate, and coordinate response to security alerts, incidents, and vulnerability findings
• Execute patch management, system hardening, and vulnerability remediation activities
• Support disaster recovery readiness including backup validation and DRaaS testing
• Implement approved infrastructure changes in accordance with established change management standards
• Maintain accurate infrastructure documentation, configuration standards, and operational procedures
• Participate in on call rotation and provide support during game days and major events
• Promote knowledge sharing and technical cross training within Network & Systems Operations to strengthen team capability and resiliency

What We Need From Our Senior Network & Systems Administrator:
• Advanced hands on experience administering enterprise Cisco networking environments
• Strong experience supporting VMware ESXi and vSphere production environments
• Experience managing Windows Server and Active Directory in a multi site environment
• Experience supporting NetApp storage systems
• Experience administering Palo Alto firewalls and network security platforms
• Experience working directly with Managed Security Services Providers or SOC teams
• Strong understanding of cybersecurity fundamentals including incident response and vulnerability management
• Experience supporting Microsoft 365 and hybrid identity environments
• Strong troubleshooting and root cause analysis capabilities
• Ability to operate independently while aligning with leadership direction
• Strong written and verbal communication skills

Experience/ Education Requirements:
• High school diploma or GED required
• Bachelor's degree in Information Technology or related field preferred; equivalent experience accepted
• Minimum five years of progressive systems and network administration experience in a multi site or enterprise environment
• Demonstrated experience supporting Cisco networking, VMware, NetApp, Palo Alto, and enterprise security operations
• Professional certifications such as VCP, CCNP, PCNSE, Microsoft, Security , or related certifications preferred

What You Can Expect
• Ability to transit throughout the arena for long periods of time
• This position works mainly indoors, removed from extreme weather; exposure to weather is <5%
• S-Sedentary Work – Exerting up to 10 pounds of force occasionally
• Must be able to carry on a conversation both on the phone and in-person
• Ability to Read, Write & Speak in English

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.