Senior Systems Administrator, Irving, TX

Kforce's clent in Irving, TX is seeking a Senior Systems Administrator (with an Engineer mindset) to support and evolve a complex hybrid infrastructure environment. This role blends hands-on Tier 2/3 support with engineering-focused project work, requiring a proactive, solutions-oriented mindset. Responsibilities include managing infrastructure tickets, provisioning and migrating virtual machines, troubleshooting system and network issues, and maintaining core enterprise platforms across data center and cloud environments. The role supports internal users and distributed field operations while ensuring high system reliability and security. The Engineer will also contribute to strategic initiatives such as application integrations, single sign-on (SSO), and identity management using Microsoft Entra ID. Additional responsibilities include system patching, backup validation, and infrastructure updates across servers, storage, and network components. This position partners closely with infrastructure engineering, networking, and security teams and is ideal for someone who thinks beyond support-someone who identifies improvements, drives efficiency, and contributes to long-term infrastructure strategy.

• 5+ years of experience in systems administration or infrastructure engineering
• Strong experience with Windows Server environments
• Hands-on experience with VMware vSphere (VM provisioning, migrations, administration)
• Experience with enterprise storage and backup solutions (e.g., Pure Storage FlashArray SAN, Cohesity)
• Working knowledge of Microsoft Entra ID (Azure AD) including SSO and app registrations
• Exposure to both Azure and AWS cloud environments
• Solid troubleshooting skills across servers, networking, and infrastructure layers
• Experience with Dell PowerEdge servers or similar enterprise hardware
• Familiarity with networking concepts (routing, switching, wireless, general connectivity troubleshooting)
• Experience working in a ticket-driven support environment
• Strong communication and collaboration skills

• Certifications in Microsoft, VMware, or cloud platforms
• Experience supporting hybrid (on-prem + cloud) environments
• PowerShell scripting or automation experience
• Demonstrated ability to think proactively and contribute to infrastructure improvements