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Sr. Systems Administrator

Robert Half
Newark, DE Full Time
POSTED ON 11/19/2025
AVAILABLE BEFORE 12/18/2025
We are looking for a Sr. Systems Administrator to oversee and maintain our IT infrastructure in Newark, Delaware. This role involves managing a variety of systems, including servers, virtual environments, cloud technologies, and Active Directory, to ensure optimal performance and security. The ideal candidate will possess a strong technical background and the ability to address complex issues while ensuring compliance with organizational policies and regulatory requirements.

Responsibilities:
• Manage and maintain IT infrastructure, including servers, appliances, hypervisors, and storage systems.
• Oversee the operation of physical server environments, disaster recovery sites, and virtualized systems.
• Administer and troubleshoot cloud-based infrastructure technologies and Microsoft-based products.
• Configure and maintain Active Directory, including user accounts, Group Policy Objects, and authentication services.
• Implement and manage backup and recovery solutions to ensure data integrity and availability.
• Develop and apply security patches and enhancements to safeguard systems against vulnerabilities.
• Create and manage monitoring tools to track system performance and resolve issues proactively.
• Automate IT processes and support end-user technology, such as workstations, laptops, and peripherals.
• Plan and execute projects that align with organizational goals, including budgeting and scheduling.
• Ensure compliance with IT policies, licensing agreements, and regulatory requirements.
• Proficiency in Active Directory administration and troubleshooting.
• Advanced knowledge of Microsoft Windows Server operating systems.
• Experience with virtualized environments, including hypervisors and cloud-based technologies.
• Familiarity with backup and recovery tools and strategies.
• Strong understanding of IT security principles and patch management processes.
• Expertise in monitoring and performance optimization tools.
• Hands-on experience with Dell and Citrix technologies.
• Ability to work in a 24/7 on-call environment and manage incident resolution effectively.
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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.



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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.

Salary.com Estimation for Sr. Systems Administrator in Newark, DE
$107,993 to $134,495
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