• Sr Systems Administrator

    Robert Half Technology (Jacksonville, FL)


    Description

    About the Role:

    We are looking for a highly skilled Senior Systems Administrator to join our IT team. In this role, you’ll be responsible for maintaining, optimizing, and securing our core infrastructure systems. The Sr. Systems Administrator will manage servers, cloud environments, and network operations, ensuring high availability and performance while supporting ongoing business growth.

    Key Responsibilities:

    + Administer, maintain, and troubleshoot Windows and Linux servers.

    + Manage Active Directory, Group Policy, DNS, DHCP, and related services.

    + Oversee virtualization platforms such as VMware or Hyper-V.

    + Support cloud environments, with a strong focus on Azure and/or Office 365 administration.

    + Monitor system performance, availability, and capacity, implementing improvements where necessary.

    + Apply system patches, upgrades, and security hardening.

    + Develop and maintain system documentation, policies, and procedures.

    + Collaborate with IT leadership and cross-functional teams to design and implement new solutions.

    + Provide mentorship and guidance to junior administrators and support staff.

    Requirements

    Qualifications:

    + Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent experience).

    + 5+ years of experience in systems administration in an enterprise environment.

    + Strong knowledge of Windows Server environments; experience with Linux a plus.

    + Proficiency in virtualization technologies (VMware, Hyper-V).

    + Hands-on experience with cloud platforms (Azure preferred).

    + Familiarity with backup, disaster recovery, and business continuity solutions.

    + Strong troubleshooting, analytical, and problem-solving skills.

    + Excellent communication and collaboration abilities.

    Preferred Skills:

    + Experience with PowerShell scripting or other automation tools.

    + Exposure to security best practices and compliance frameworks.

    + Familiarity with networking fundamentals (TCP/IP, firewalls, VPNs).

     

    Why Join Us?

     

    + Competitive compensation and benefits package.

    + Opportunity to work with cutting-edge technologies and cloud environments.

    + Collaborative, growth-oriented culture.

    + Room for professional development and advancement.

     

    Technology Doesn't Change the World, People Do.®

     

    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.

     

    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.

     

    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.

     

    • 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) .