Sr. Systems Administrator

Integrity Staffing ·careers.integritystaffing.com

Location Newark, DE, United States
Salary USD 110,000 - 125,000 / year
Type Full time
Level Senior
Source Shazamme
Professional
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Senior IT Infrastructure Administrator

Our client is hiring a highly experienced IT Infrastructure professional to manage and support our Windows, Linux, Active Directory, virtualization, Microsoft 365, and cloud environments. This hands-on role will maintain secure, reliable systems while supporting infrastructure projects, lifecycle planning, compliance, disaster recovery, and continuous improvement.

This position is a direct placement with the client and must work on-site in Newark, DE. 
 

Key Responsibilities

• Administer Windows and Linux servers, Active Directory, GPO, DNS, DHCP, identity management, and authentication services
• Manage physical, virtual, and cloud infrastructure, including VMware and Azure/AWS environments
• Support Microsoft 365, Exchange Online, SharePoint Online, Intune, and Autopilot
• Maintain backups, storage, monitoring tools, patching, vulnerability remediation, and disaster recovery capabilities
• Implement infrastructure upgrades, automation, new technologies, and performance improvements
• Support infrastructure planning, budgeting, vendor management, licensing, audits, and regulatory compliance
• Participate in rotating 24/7 on-call production support
 

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent experience
• Five or more years of systems administration experience
• At least three years of experience with virtualization platforms such as VMware, Hyper-V, Citrix Hypervisor, Nutanix AHV, or Linux KVM
• Strong experience with Active Directory, Windows Server, DNS, DHCP, Group Policy, and email administration
• Hands-on Microsoft 365 administration experience
• Familiarity with Azure or AWS
• Strong troubleshooting, project management, communication, and organizational skills
• Ability to work independently and manage multiple priorities

Active Directory | Windows Server | Oracle Linux | VMware | Shared Storage | Microsoft 365 | Exchange | SharePoint | Intune | Autopilot | Backup and Recovery

Frequently asked questions

Who is hiring for the Sr. Systems Administrator role?
Integrity Staffing is hiring for the Sr. Systems Administrator position, a Shazamme client. Apply directly on the employer's career site.
Where is the Sr. Systems Administrator job located?
The Sr. Systems Administrator role with Integrity Staffing is based in Newark, DE, US.
What does the Sr. Systems Administrator role pay?
Integrity Staffing lists the Sr. Systems Administrator role at USD 110,000–125,000 per year.
Is the Sr. Systems Administrator role full-time or contract?
This is a full time position at Integrity Staffing.
What experience level is the Sr. Systems Administrator role?
The Sr. Systems Administrator position is aimed at senior-level candidates.
How do I apply for the Sr. Systems Administrator role at Integrity Staffing?
Apply directly on Integrity Staffing's career page via the Apply button on this listing. ZammeJobs links straight through to the employer's ATS — no third-party form, no resume database.
Apply direct