Senior Systems AdminstratorfirstPRO, Inc • Philadelphia, PA, United States
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Senior Systems Adminstrator
firstPRO, Inc • Philadelphia, PA, United States
[job_card.variable_days_ago]
[job_preview.job_type]
[job_card.full_time]
[job_card.job_description]
Key Responsibilities
Install, configure, and maintain physical and virtual infrastructure, including servers, firewalls, and enterprise applications
Manage Windows Server environments (2012R2–2019), Active Directory, DNS, DHCP, and domain services
Oversee virtualized environments, including Hyper-V clustering and storage solutions (Dell EMC / NetApp)
Maintain network hardware (firewalls, switches, VPNs) and ensure system security and stability
Administer Microsoft 365, including Exchange, Security, and Compliance
Support desktops and devices in a Windows 10–11 domain environment
Implement backup / recovery solutions using Veeam
Lead and guide 1–2 team members as needed
Handle IT service requests and support tickets across multiple technologies
Contribute to process improvements, audits, and infrastructure projects
Qualifications
5+ years managing Windows Server and virtual network environments
5+ years managing storage solutions and network infrastructure
2–3 years Microsoft 365, Hyper-V, and cloud experience
Experience supervising small teams (1–2 staff members)
Bachelor’s degree in IT or related field, or equivalent experience
Strong troubleshooting, communication, and project management skills
Experience in smaller organizations (
Technical Skills :
Windows Server, Active Directory, DNS, DHCP
Hyper-V, VMware
Dell EMC / NetApp storage systems
Microsoft 365 / Exchange Online
Network hardware (firewalls, switches, VPNs)
Veeam backup and recovery
Microsoft SQL Server, PowerShell, Linux, Zoom Phone Systems, Adobe Creative Cloud, Carbon Black / Trellix AV
Ideal Candidate
Self-starter who can manage multiple technologies independently
Adaptable and experienced “jack of all trades” in small IT environments
Stable career history with experience in small organizations
Excited to support strategic cloud initiatives and infrastructure optimization
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