Systems Administrator

We are seeking a motivated Systems Administrator to join our Enterprise Technology team. In this role, you will support the day-to-day administration, troubleshooting, and maintenance of Microsoft 365, Entra ID, AWS, Windows Server, and core infrastructure services while developing hands-on experience across network and systems operations.

This role reports directly to the Manager, Network & Systems Operations and operates within established infrastructure standards. The position is designed for a developing administrator who can work independently on routine tasks while escalating complex technical, security, and infrastructure issues to senior team members.

Your Role on the Team
Infrastructure Administration

Manage and support Microsoft 365 administration, including user accounts, licenses, groups, Exchange Online, Teams, SharePoint, and related services
Help with managing Entra ID administration, including user lifecycle management, group membership, MFA, conditional access support, and identity troubleshooting
Support Windows Server environments, Active Directory services, file shares, permissions, and basic server maintenance
Experience working with and troubleshooting virtual machines/Servers
Assist with AWS administration tasks such as monitoring resources, supporting access requests, reviewing basic configuration items, and escalating issues as needed
Assist with infrastructure monitoring, documentation, inventory updates, and routine operational checks

Execution & Implementation

Execute routine infrastructure changes in accordance with established change management standards
Assist with building, configuring, and maintaining development, test, and production server environments
Support system patching, software updates, and scheduled maintenance activities under guidance from senior team members
Assist with backup validation, restore testing, and disaster recovery readiness activities
Support vulnerability remediation, endpoint/server hardening, and security hygiene tasks
Contribute to infrastructure lifecycle, asset tracking, and hardware refresh activities

Operational Support

Provide advanced support for escalated Microsoft 365, identity, server, and connectivity issues
Participate in on-call rotation and provide support during game days and major events as needed
Maintain accurate documentation, configuration notes, runbooks, and asset inventory records
Support multi-site connectivity coordination across facilities including HQ, Arena, Practice Facilities, and colocation environments

Continuous Improvement

Contribute to process improvement initiatives within Network & Systems Operations
Strengthen cross-functional alignment with Helpdesk, Security, Arena Technology, and business teams

Your Skills and Experience
Technical Experience

1–3 years of systems, helpdesk, cloud, or infrastructure support experience
Working knowledge of Microsoft 365 administration, including Exchange Online, Teams, SharePoint, licensing, and user support
Familiarity with Entra ID, Active Directory, user lifecycle management, MFA, groups, and access troubleshooting
Basic understanding of Windows Server administration, server roles, file permissions, and common infrastructure services such as DNS and DHCP
Familiarity with AWS services, cloud administration concepts, identity/access management, and basic resource monitoring
Basic networking knowledge, including TCP/IP, VLANs, routing, switching, wireless connectivity, and troubleshooting methodology
Exposure to virtualization, backup, endpoint management, monitoring, or security tools preferred

Professional Capabilities

Foundational troubleshooting skills with a willingness to learn, ask questions, and follow issues through resolution
Ability to work within defined operational standards, change management processes, and escalation paths

Strong documentation discipline and organizational skills
Ability to manage multiple priorities in a fast-paced environment
Clear written and verbal communication skills
High degree of professionalism, accountability, and discretion
High school diploma or GED required
Bachelor’s degree in Information Technology or related field preferred; equivalent experience accepted

Relevant certifications such as Microsoft Fundamentals, AWS Cloud Practitioner or other related certs are a plus