Senior Systems Administrator

Veriipro; Phoenix (AZ); On-site; USD 95,000 - 140,000; Full time

Job summary

Veriipro is seeking a Senior Systems Administrator to design, administer, and support critical enterprise IT infrastructure across Windows Server, VMware, and physical server environments. You will maintain highly available systems, implement automation, and troubleshoot complex issues.

The role emphasizes Active Directory, storage, backup, and disaster recovery, with collaboration across IT teams and vendors to optimize performance and security.

Qualifications

• Bachelor's degree or equivalent experience.
• Strong Windows Server and AD administration.
• Experience with VMware and storage administration.
• PowerShell or scripting proficiency.
• Excellent troubleshooting and documentation skills.

Responsibilities

• Administer and maintain enterprise Active Directory environments and DNS/DHCP/GP.
• Manage VMware virtualized environments and physical servers.
• Develop automation solutions using PowerShell and other scripts.
• Install, configure, upgrade, and maintain enterprise applications.
• Support storage, backup, DR, and available infrastructure.
• Maintain documentation for infrastructure components and configs.
• Troubleshoot complex system, hardware, software, and network issues.
• Participate in outage management and root-cause analysis.
• Support data center operations and ensure optimal availability.
• Collaborate with IT teams, stakeholders, and vendors.

Skills

Windows Server administration

Active Directory

VMware

PowerShell scripting

Troubleshooting

Documentation

Team collaboration

Networking basics

Education

Bachelor's degree in Computer Science, Information Systems, or related field

Tools

VMware

PowerShell

C#

VBScript

SQL Server

Job description

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.

Key Responsibilities

• 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.

Required Qualifications

• 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.


• Experience developing infrastructure automation solutions using 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.

Preferred Qualifications

• CCNA, VMware VCP, Citrix, or other relevant infrastructure certifications.


• Experience with Linux/Unix administration.


• Knowledge of enterprise backup and disaster recovery solutions.


• Database administration experience.


• Experience supporting complex enterprise infrastructure and mission-critical systems.