Senior Systems Administrator

About the role

Job Summary We are seeking an experienced Senior Systems Administrator to design, administer, maintain, and support critical enterprise IT infrastructure across Microsoft Windows, virtualized, and physical server environments. The ideal candidate will have strong expertise in Windows Server administration, Active Directory, VMware virtualization, enterprise data center operations, storage administration, and PowerShell scripting. This role will be responsible for maintaining highly available infrastructure, implementing automation solutions, troubleshooting complex technical issues, and ensuring the reliability, security, and performance of enterprise systems.

What you'll do

• Administer and maintain enterprise
• Active Directory environments, including multi-domain forests, DNS, DHCP, and Group Policy.
• Manage VMware virtualized environments and physical server infrastructure.
• Develop and implement infrastructure automation solutions using
• PowerShell and other scripting technologies.
• Install, configure, upgrade, and maintain third-party enterprise applications.
• Support enterprise storage, backup, disaster recovery, and highly available infrastructure environments.
• Maintain technical documentation related to infrastructure components, system configurations, and network flows.
• Troubleshoot complex system, hardware, software, server, and infrastructure issues.
• Participate in outage management, root cause analysis, and infrastructure remediation activities.
• Support enterprise data center operations and ensure optimal system availability and performance.
• Collaborate with internal IT teams, business stakeholders, and external vendors to support infrastructure initiatives.
• Contribute to infrastructure improvements, system upgrades, and technology optimization.

What you'll bring

• Bachelor's degree in Computer Science, Information Systems, or a related field preferred.
• Equivalent professional experience will also be considered.
• Microsoft certification such as MCSE, MCSA, or MCTS required at the time of hire. 4+ years of senior-level
• Systems Administration, Windows Engineering, or enterprise infrastructure experience. 4+ years of experience supporting enterprise data center environments. 4+ years of VMware administration and storage administration experience. 4+ years of experience managing multi-domain
• Active Directory environments, including DNS, DHCP, and Group Policy.
• Strong hands-on experience with Windows Server administration and PowerShell scripting.
• Experience supporting Microsoft Exchange, Microsoft Teams, SharePoint, and SQL Server environments.
• PowerShell, C#, VBScript, or similar scripting technologies.
• Experience supporting highly available, fault-tolerant, and clustered infrastructure environments.
• Strong understanding of network administration and physical and virtual infrastructure architecture.
• Excellent troubleshooting, analytical, communication, documentation, and stakeholder-management skills.
• CCNA, VMware VCP, Citrix, or other relevant infrastructure certifications.
• Knowledge of enterprise backup and disaster recovery solutions.
• Database administration experience.
• Experience supporting complex enterprise infrastructure and mission-critical systems.