Apply for this opportunity

This job application is on an outside website. Be sure to review the job posting there to verify it's the same.

Apply Offsite

Sr Systems Administrator

Job

Robert Half

Jacksonville, FL (In Person)

Full-Time

Posted 1 week ago (Updated 4 days ago) • Actively hiring

Expires 7/1/2026

See Job Scorecard

Review key factors to help you decide if the role fits your goals.

How is this calculated?

Pay Growth

out of 5

Not enough data

Not enough info to score pay or growth

Job Security

out of 5

Not enough data

Calculating job security score...

Total Score

out of 100

Average of individual scores

Were these scores useful?

Skill Insights

Compare your current skills to what this opportunity needs—we'll show you what you already have and what could strengthen your application.

Job Description

We're hiring a Senior Systems Administrator to support and optimize a complex enterprise infrastructure across on-prem and cloud environments. This role will focus on reliability, performance, and modernization initiatives.

Key Responsibilities:

Administer and maintain Windows Server environments (AD, DNS, DHCP, GPO)Manage virtualized environments (VMware vSphere / Hyper-V)Oversee M365 and Azure AD / Entra ID administrationMonitor system performance and implement proactive improvementsLead patching, upgrades, and system hardening effortsSupport backup, disaster recovery, and business continuity planningCollaborate on cloud migration and hybrid infrastructure initiatives