L2 System Administrator

Job Title : L2 System Administrator

Experience: 3–5 Years

Employment Type: Contract

We are looking for 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 strong hands-on experience with Windows Server, Citrix, Azure, VMware, and Microsoft 365, and will play a critical role in ensuring system stability, performance, and operational excellence.

Responsibilities

• Act as L2 escalation support for infrastructure-related issues from L1 teams
• Monitor, troubleshoot, and support Citrix Virtual Apps & Desktops, Citrix Cloud, Director, and StoreFront
• Manage and support Azure infrastructure, including VM operations and basic optimization
• Administer Windows Server environments (2012 / 2016 / 2019 / 2022)
• Support VMware vSphere and ESXi, including VM provisioning and troubleshooting
• Manage backup monitoring and restores using Veeam Backup & Replication
• Administer Active Directory, DNS, DHCP, GPOs, and NTFS permissions
• Support Microsoft 365 / Office 365 and Exchange Online user and mailbox operations
• 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 to L3 when required
• Support MFA solutions (DUO) and anti-spam tools such as SpamExperts
• Handle incidents and service requests using ticketing and monitoring tools
• Maintain accurate documentation for incidents, changes, and SOPs
• Collaborate with L3 engineers on infrastructure improvements and upgrades

Required 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, troubleshooting)
• Microsoft 365 / Office 365, Exchange Online
• Active Directory, DNS, DHCP, Group Policy
• Veeam Backup & Replication (monitoring and restores)
• Endpoint Security: SentinelOne, Bitdefender
• Ticketing tools: Halo PSA or equivalent
• Monitoring tools: NinjaRMM or similar
• DUO MFA, anti-spam solutions (SpamExperts)
• Basic SQL Server support
• Print server and network printer support

Preferred Qualifications

• 3–5 years of experience in L2 System Administration / Infrastructure Support
• Experience working in an MSP or hosted services environment
• Microsoft Azure Fundamentals or AZ-104 (preferred)
• Citrix or VMware certifications (nice to have)
• ITIL v4 Foundation (advantage)