Senior SharePoint Systems Engineer – Backend Admin

Leidos; Millington (TN); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos seeks a Senior SharePoint System Administrator to support a large DoD IT contract. You will deploy, operate, and maintain SharePoint services across data centers, including PKI/authentication, load balancing, and SIEM-ready reporting. The role requires strong communication, teamwork, and customer-focused problem solving.

You will manage site collections, permissions, migrations, and integration with M365/O365 tools, with 24/7/365 support and after-hours maintenance when required.

Qualifications

• Bachelor's degree with 8+ years relevant experience required.
• Experience with SharePoint 2013/2016/2019, SE and Online.
• Experience with SQL cluster management and patch maintenance.
• US Citizenship and TS/SCI with polygraph as applicable.

Responsibilities

• Interact with site owners to handle service inquiries and problems.
• Provide implementation, troubleshooting and maintenance of IT systems.
• Oversee SharePoint projects including upgrades and expansions.
• Assist users with migrations to SharePoint 2019, SE or Online.
• Manage permissions for site collections and O365 apps.

Skills

SharePoint

System Administration

PKI authentication

ITSM (ServiceNow)

Load balancing

Education

Bachelor's degree with 8 years

Master's degree with 6 years

Associate's with 10 years

High School Diploma with 12 years

Tools

SQL clusters

F5 BigIP / Citrix NetScaler

Nintex / InfoPath / PowerBI

SharePoint Online / M365

Job description

Leidos seeks a Senior SharePoint System Administrator to support a large DoD IT contract. You will deploy, operate, and maintain SharePoint services across data centers, including PKI/authentication, load balancing, and SIEM-ready reporting. The role requires strong communication, teamwork, and customer-focused problem solving.

You will manage site collections, permissions, migrations, and integration with M365/O365 tools, with 24/7/365 support and after-hours maintenance when required.