Job Role- Systems Administrator – Cloud, Infrastructure and Cybersecurity
Experience: 4-6 Years

This is position is for night shift and work from office.

Vista IT Solutions is building a high-performance IT operations team to support our 24×7 Managed Services delivery. We are hiring an experienced Systems Administrator with proven skills in Office 365, Azure, network security, virtualization, disaster recovery, and endpoint protection.
This role requires solid ownership, deep technical expertise, and the ability to contribute within a globally distributed support structure. You will collaborate closely with team members across geographies to ensure high-quality service delivery.
Department: Managed IT Services & Security Operations
Location: Global MSP Team (24×7 Support Environment)
Requirements

Key Responsibilities
· Administer and support Microsoft 365 tenant environments including Exchange Online, Teams, OneDrive, SharePoint, Intune, and compliance settings
· Manage Azure services including virtual networks, resource groups, Azure AD, backup vaults, and security baselines




· Maintain VMware-based virtualized infrastructure (HP/Dell servers)
· Configure and secure SonicWall firewalls and Cisco switches; manage VLANs, routing, access control, and VPNs
· Deploy and manage EDR/MDR using Malwarebytes or equivalent tools
· Execute and monitor backup and disaster recovery operations using Veeam and Wasabi
· Handle patching, firmware updates, and RMM tool management (Barracuda RMM currently used)
· Oversee 3CX VoIP systems and ensure QoS, failover, and provisioning
· Implement and maintain cybersecurity best practices (Zero Trust, MFA, security policy hardening, threat response)
· Participate in 24×7 shift coverage, escalations, and weekend/on-call rotations as part of a global MSP support model
· Document configurations, SOPs, diagrams, and client-specific runbooks
Required Skills & Experience
· 4+ years as a Systems Administrator or similar hands-on infrastructure/

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