Sr Systems Administrator

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., * Administer and maintain Windows Server environments (AD, DNS, DHCP, GPO)

• Manage virtualized environments (VMware vSphere / Hyper-V)
• Oversee M365 and Azure AD / Entra ID administration
• Monitor system performance and implement proactive improvements
• Lead patching, upgrades, and system hardening efforts
• Support backup, disaster recovery, and business continuity planning
• Collaborate on cloud migration and hybrid infrastructure initiatives

• 7+ years of systems administration experience
• Strong expertise in Windows infrastructure and Active Directory
• Experience with VMware or enterprise virtualization platforms
• Knowledge of Azure or hybrid cloud environments
• Scripting experience (PowerShell preferred)

Nice to Have

• Experience with Azure migrations or cloud optimization
• Knowledge of security best practices and compliance frameworks
• Certifications (Microsoft, VMware, etc.), All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.