Sr Systems Administrator
<p>We are seeking an experienced <strong>Senior Systems Administrator</strong> to manage, maintain, and optimize our enterprise IT infrastructure. This role is ideal for a highly skilled professional who thrives in hands-on technical work, enjoys solving complex problems, and can ensure the reliability and security of critical systems across on-premises and cloud environments.</p><p>You will play a key role in maintaining servers, storage, virtualization, backups, and enterprise applications, while collaborating with cross-functional teams to implement and improve IT operations.</p><p><br></p><p><strong>Key Responsibilities</strong></p><ul><li>Install, configure, and maintain <strong>Windows Server and Linux systems</strong></li><li>Administer and troubleshoot <strong>Active Directory, DNS, DHCP, and Group Policy</strong></li><li>Manage <strong>virtualization platforms</strong> (VMware, Hyper-V, or similar)</li><li>Maintain and monitor <strong>storage, backup, and disaster recovery systems</strong></li><li>Support <strong>enterprise applications</strong> and ensure seamless integration with infrastructure</li><li>Collaborate with network, security, and cloud teams to implement <strong>end-to-end solutions</strong></li><li>Monitor system performance, perform capacity planning, and optimize server resources</li><li>Maintain <strong>technical documentation, SOPs, and system diagrams</strong></li><li>Mentor junior administrators and provide guidance on best practices</li><li>Respond to escalated Tier 2/3 support issues and ensure timely resolution</li></ul><p><br></p>
<p><strong>Required Qualifications</strong></p><ul><li>5+ years of experience as a <strong>Systems Administrator or equivalent role</strong></li><li>Hands-on experience with <strong>Windows Server, Linux, virtualization, and enterprise storage</strong></li><li>Strong knowledge of <strong>Active Directory, Group Policy, DNS, DHCP, and enterprise applications</strong></li><li>Experience with <strong>cloud platforms</strong> such as Azure or AWS</li><li>Ability to troubleshoot complex system and application issues</li><li>Excellent documentation, organization, and communication skills</li></ul><p><br></p><p><strong>Preferred Qualifications</strong></p><ul><li>Certifications such as <strong>Microsoft MCSA/MCSE, VMware VCP, AWS/Azure certifications, or ITIL</strong></li><li>Experience with <strong>automation and scripting</strong> (PowerShell, Bash, Python, Ansible)</li><li>Familiarity with <strong>networking, security best practices, and monitoring tools</strong></li><li>Experience in <strong>regulated industries</strong> (finance, healthcare, government)</li></ul><p><br></p><p><strong>Why You’ll Love This Role</strong></p><ul><li>Work with <strong>modern enterprise systems and cloud technologies</strong></li><li>Lead initiatives to <strong>improve IT operations and infrastructure</strong></li><li>Collaborate with a <strong>talented cross-functional team</strong></li><li>Opportunities for <strong>professional growth and certifications</strong></li><li>Competitive salary and benefits</li></ul><p><br></p>
<h3 class="rh-display-3--rich-text">Technology Doesn't Change the World, People Do.<sup>®</sup></h3>
<p>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.</p>
<p>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. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more.</p>
<p>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 <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> for more information.</p>
<p>© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to <a href="https://www.roberthalf.com/us/en/terms">Robert Half’s Terms of Use</a>.</p>
- Jacksonville, FL
- remote
- Temporary
-
- USD / Hourly
- <p>We are seeking an experienced <strong>Senior Systems Administrator</strong> to manage, maintain, and optimize our enterprise IT infrastructure. This role is ideal for a highly skilled professional who thrives in hands-on technical work, enjoys solving complex problems, and can ensure the reliability and security of critical systems across on-premises and cloud environments.</p><p>You will play a key role in maintaining servers, storage, virtualization, backups, and enterprise applications, while collaborating with cross-functional teams to implement and improve IT operations.</p><p><br></p><p><strong>Key Responsibilities</strong></p><ul><li>Install, configure, and maintain <strong>Windows Server and Linux systems</strong></li><li>Administer and troubleshoot <strong>Active Directory, DNS, DHCP, and Group Policy</strong></li><li>Manage <strong>virtualization platforms</strong> (VMware, Hyper-V, or similar)</li><li>Maintain and monitor <strong>storage, backup, and disaster recovery systems</strong></li><li>Support <strong>enterprise applications</strong> and ensure seamless integration with infrastructure</li><li>Collaborate with network, security, and cloud teams to implement <strong>end-to-end solutions</strong></li><li>Monitor system performance, perform capacity planning, and optimize server resources</li><li>Maintain <strong>technical documentation, SOPs, and system diagrams</strong></li><li>Mentor junior administrators and provide guidance on best practices</li><li>Respond to escalated Tier 2/3 support issues and ensure timely resolution</li></ul><p><br></p>
- 2025-12-19T13:05:07Z