Job Title: System Administrator
Employment Type:
Full-time
Department:
Infrastructure & Managed Services
Position Overview
We are seeking an experienced
System Administrator
with a strong background in
SonicWall firewall administration
and
VMware virtualization
to join our Managed Services team.The ideal candidate will support multiple client environments, ensuring reliable, secure, and high-performing infrastructure across on-premises and cloud-based systems.
Key Responsibilities
- Manage and support SonicWall firewalls across client networks — configure VPNs, SD-WAN, routing, and high availability.
- Deploy, configure, and maintain VMware vSphere/ESXi environments, including virtual machines, templates, and resource allocation.
- Proactively monitor systems using RMM tools (e.g., ConnectWise Automate, Site24x7, ManageEngine, etc.) to identify and resolve potential issues.
- Administer Windows Server environments, Active Directory, DNS, DHCP, and Group Policy across multiple clients.
- Implement and maintain backup and disaster recovery solutions (Veeam, MSP360, Datto, etc.).
- Assist with new client onboarding, infrastructure assessments, and system migrations.
- Support Azure AD, Microsoft 365, and email security configurations.
- Collaborate with helpdesk teams for escalated support and incident response.
- Document client network topologies, system configurations, and change logs.
- Participate in on-call rotation and respond to critical system alerts.
Preferred Skills & Experience
- 4–8 years of hands-on experience in IT infrastructure or system administration, preferably within an MSP.
- Strong expertise in SonicWall (NSA/TZ series) — VPNs, SSLVPN, NAT, and SD-WAN.
- Solid understanding of VMware virtualization (vSphere, vCenter, ESXi) and virtual networking concepts.
- Experience with Windows Server 2016/2019/2022, Active Directory, and Group Policy management.
- Familiar with RMM and PSA tools (ConnectWise, ManageEngine, or equivalent).
- Knowledge of Azure AD, M365 tenant administration, and endpoint security.
- Basic scripting skills (PowerShell/Bash) preferred for automation.
- Excellent troubleshooting, documentation, and communication skills.
Certifications (Preferred)
- SonicWall CSSA / CSSP
- VMware VCP
- Microsoft MCSA / MCSE or CompTIA Network+/Security+
Skills: sonicwall,group policy,infrastructure,active directory,azure active directory,connectwise,vmware,esxi