Senior System Administrator: Datacenter & Virtualization Lead

International Executive Service Corps; Albuquerque (NM); On-site; USD 90,000 - 120,000; Full time

Job summary

NuAxis is seeking a Senior Systems Administrator to provide advanced technical leadership for enterprise servers and datacenters. You will support Windows and Linux, virtualization (VMware), storage, backup, security, and modernization while mentoring junior admins.

The role emphasizes SME-level guidance, cross-functional collaboration, and documented operational processes to keep mission-critical platforms highly available.

Qualifications

• Associate’s degree, technical training certificate, or equivalent combination of education and experience.
• Minimum of 5 years of related technical experience supporting enterprise or datacenter-level IT environments.
• Proven experience supporting: Microsoft Windows Server environments, Linux operating systems, Enterprise Microsoft products and management tools, VMware virtualization platforms.
• Experience with backup and recovery, system patching, performance tuning, and capacity planning.
• Experience with enterprise storage solutions and infrastructure optimization.
• Experience using industry-standard datacenter physical security tools and applications.
• Working knowledge of DCIM tools and datacenter infrastructure management.

Responsibilities

• Provide senior-level system administration support for enterprise servers and datacenter environments.
• Design, optimize, and maintain enterprise platforms supporting mission-critical operations.
• Administer and support Microsoft Windows Server and Linux operating systems.
• Support and manage virtualization platforms, including VMware, and enterprise storage solutions.
• Lead server modernization initiatives, including system upgrades and technology refresh efforts.
• Perform backup and recovery operations for Data Operations Centers (DOC).
• Conduct system patching, performance tuning, capacity planning, and resource optimization.
• Provide Tier II/III escalation support and technical guidance to lower-tier support teams.
• Support enterprise security initiatives and datacenter physical security tools and applications.
• Utilize DCIM tools to monitor, manage, and optimize datacenter infrastructure.
• Perform hardware and software upgrades and maintain operational configurations.
• Develop and maintain technical, operational, and project management documentation.
• Serve as a Subject Matter Expert (SME) for Shared Services Enterprise Datacenter IT projects.
• Lead and participate in enterprise technical initiatives and cross-functional projects.
• Mentor and coach junior system administrators.
• Collaborate with cross-departmental teams and communicate effectively through written documentation, verbal communication, and presentations.

Skills

PowerShell

Visual Basic

.NET

C#

Leadership

Troubleshooting

Education

Associate degree or equivalent

Tools

VMware

DCIM tools

Job description

NuAxis is seeking a Senior Systems Administrator to provide advanced technical leadership for enterprise servers and datacenters. You will support Windows and Linux, virtualization (VMware), storage, backup, security, and modernization while mentoring junior admins.

The role emphasizes SME-level guidance, cross-functional collaboration, and documented operational processes to keep mission-critical platforms highly available.