SharePoint Senior Administrator

Leidos Holding • $92K — $166K *

Alexandria, VA 22304In-Person

Technical Services

5 - 7 years of experience

Today

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Job Overview by Ladders

Qualifications

5-7 years of experience managing SharePoint technologies including 2013, 2016, 2019, SE, and SharePoint Online.
Expertise in configuring, securing, and maintaining SharePoint systems and SQL clusters.
Experience using PKI and claims-based authentication methods.
Familiarity with load balancers such as F5 or Citrix for traffic management.
Strong skills in IT Service Management (ITSM) with tools like ServiceNow.

Responsibilities

Interact with site/collection owners to address service inquiries and issues.
Implement, troubleshoot, and maintain SharePoint systems and services.
Identify and resolve user-specific issues versus enterprise-wide problems.
Oversee SharePoint projects including upgrades and maintenance activities.
Develop and implement solutions for incident tickets and customer requirements.

Benefits

Opportunity to work in a dynamic and supportive team environment.
Access to cutting-edge technology and systems on a large enterprise scale.
Engagement in projects that address national defense mission needs.
Continuous learning and professional development opportunities.

Full Job Description

Leidos is seeking a Senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint System Administrator will support infrastructure services, operations, and maintenance across multiple enclaves of different classifications with remote administration for server farms located in centralized data centers. The SharePoint Admin shall deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authentication as well as support site setup, permission management, troubleshooting, and service requests for customers as well as content and knowledge managers. This individual will work in a team environment to ensure mission needs are met and ensure functionality of capabilities of customers.

This role requires an individual that is technical, customer oriented, and familiar with using SharePoint. This individual should be detail oriented in order to capture customer inquiries appropriately. Role requires excellent oral and written communication skills.

Primary Responsibilities

Interac with site/collection owners to handle service inquiries and problems.
Provide implementation, troubleshooting and maintenance of IT systems.
Rapidly distinguish isolated user problems from enterprise-wide application/system problems.
Develop solutions for complex problems, update Knowledge Articles and Standard Operating Procedures (SOPs) to reflect changes to the environment.
Oversee SharePoint projects to include minor and major version upgrades, routine maintenance, and expansion of capabilities to meet emerging requirements.
Identify methods for direct integration with Identity, Credential, and Access Management (ICAM) technologies.
Assist users with manual migrations from older SharePoint versions to SharePoint 2019, SE or SharePoint Online.
Manage permissions of new and existing site collections and their associated lists, items etc.
Manage access to O365/M365 applications based on SharePoint technology such as Microsoft Teams, Microsoft OneDrive, and SharePoint Online.
Conduct searches and purges of data from operational systems as required by cyber security, legal, compliance, FOIA, and other legitimate sources.
Manage asset library, risk database, and business rhythm calendar (Leidos best practice) to enhance situational awareness for stakeholders.
Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements.
Provide follow-up reports (technical findings, feedback, resolution steps taken, After Action Report (AAR) etc.) for Root Cause Analysis, engineering technical assessment, and process improvement initiatives.
Support customer requirements in a 24/7/365 mission environment with after-hours outage response and support.
Update operations and maintenance documentation for 24/7/365 IT Operations Center personnel to assist with after-hours triage and troubleshooting of common SharePoint problems.

Basic Qualifications

Strong experience with SharePoint technologies to include SharePoint 2013, 2016, 2019, SE and SharePoint Online.
Strong experience with configuring, installing, and securing SharePoint systems.
Experience with managing SQL clusters in support of SharePoint farms.
Experience with patch maintenance for SQL clusters and SharePoint farms.
Experience with PKI authentication and claims-based authentication.
Experience with utilizing load balancers such as F5 BigIP Load Traffic Manager or Citrix NetScaler.
Strong experience managing M365/O365 cloud offerings such as Microsoft Teams, Microsoft OneDrive, SharePoint Online.
Strong experience with patch maintenance for SharePoint farms.
Experience with routine maintenance processes and willingness to conduct scheduled maintenance during approved maintenance windows.
Experience with Change Management fundamentals to ensure proper planning, execution, and documentation of changes to the environment.
Experience with Tier 2 & Tier 3 system administration.
Experience troubleshooting issues in a growing environment.
Experience with reviews, incident analysis, and identification of issue trends .
Time management skills.
Strong oral and written communications skills.
Track record of working effectively within a team, and support to peers toward improved processes and results.
Experience with IT Service Management (ITSM) ticketing systems such as ServiceNow.

Education:

Candidate must have a Bachelor's degree with 8 years of relevant experience, Masters degree with 6 years, Associate's with 10 years, or High School Diploma with 12 years.

Certifications:

Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) - IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher)
No industry certifications are required for this position, though a relevant certification in SharePoint, M365/O365 or similar technology is beneficial.

Clearance:

Due to the nature of the government contracts, we support, US Citizenship is required.
TS/SCI with CI Poly required for Position or TS/SCI and willingness to complete a polygraph.

Preferred Qualifications:

Familiarity with using Nintex, InfoPath, and/or PowerBI platforms for creating and managing workflows.
Experience configuring and managing SPPatchify for patch maintenance of large SharePoint farms.
Microsoft 365 Certified: Administrator Expert or equivalent certification related to SharePoint, Teams, OneDrive and their administration.

Original Posting:
May 21, 2026

Pay Range:
Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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