We are seeking a skilled and proactive L2 System Administrator to support and maintain infrastructure operations in a hosted Managed Service Provider (MSP) environment. The ideal candidate will have solid hands-on experience with Windows Server, Citrix, Azure, VMware, and Microsoft 365, and will work closely with L1 teams and escalate complex issues to L3 when required. The role focuses on troubleshooting, system stability, performance, and operational excellence.
Key Responsibilities
Act as an L2 escalation point for infrastructure-related issues from L1 support teams
Monitor, troubleshoot, and support Citrix Virtual Apps & Desktops, Citrix Cloud, Director, and StoreFront
Support Azure infrastructure operations, including VM management and basic optimization tasks
Administer and maintain Windows Server environments (2012/2016/2019/2022)
Support VMware vSphere and ESXi environments, including VM provisioning and basic troubleshooting
Manage and monitor backup operations using Veeam Backup & Replication
Administer Active Directory, DNS, DHCP, GPOs, and NTFS permissions
Support Office 365 and Exchange Online, including user management and mailbox-related issues
Assist with endpoint security tools such as SentinelOne and Bitdefender
Perform patch management, routine maintenance, and OS upgrades
Investigate incidents, perform basic root cause analysis, and escalate when required
Support MFA, anti-spam solutions (e.g., SpamExperts), and related security tools
Use ticketing and monitoring tools to manage incidents and service requests
Maintain clear documentation for incidents, changes, and standard procedures
Collaborate with L3 engineers on infrastructure improvements and upgrades
Required Technical Skills
Citrix XenApp / XenDesktop, Citrix Cloud, Director, StoreFront
Windows Server 2012 / 2016 / 2019 / 2022
Microsoft Azure (VMs, networking basics, resource management)
VMware ESXi, vSphere (VM operations, snapshots, basic troubleshooting)
Office 365 / Microsoft 365, Exchange Online
Active Directory, DNS, DHCP, GPO
Veeam Backup & Replication (monitoring and restores)
Endpoint Security: SentinelOne, Bitdefender
Halo PSA or equivalent ticketing system
NinjaRMM or similar monitoring tools
DUO MFA, anti-spam solutions
Basic SQL Server support
Print server and network printer support
Preferred Qualifications
3–5 years of experience in L2 System Administration or Infrastructure Support
Experience in an MSP or hosted services environment
Microsoft Azure fundamentals or AZ-104 (preferred)
Citrix / VMware certifications (nice to have)
ITIL v4 Foundation (advantage)
Citrix XenApp, Citrix XenDesktop, Citrix Cloud, Citrix Director, Citrix StoreFront, Windows Server, Microsoft Azure, Azure Virtual Machines, Azure Networking, VMware ESXi, VMware vSphere, Microsoft 365, Office 365, Exchange Online, Active Directory, DNS, DHCP, Group Policy, NTFS Permissions, Veeam Backup And Replication, Backup Monitoring, Backup Restore, SentinelOne, Bitdefender, Endpoint Security, Patch Management, System Monitoring, Incident Management, Root Cause Analysis, DUO MFA, Anti-Spam Solutions, SpamExperts, Ticketing Systems, Halo PSA, NinjaRMM, SQL Server Basics, Print Server Support, Network Printer Support, Infrastructure Support