Leidos is seeking a System Administrator to support a large enterprise IT contract for the DOD.

This role requires an individual that is technical, customer oriented and familiar with using desktop software applications such as web browsing and client software, and IT Service Management software. This individual should be detail oriented to capture customer inquiries appropriately. This role is responsible for interacting with customers for troubleshooting and coordinating system availability. Duties include examining complex workstation problems and suggesting and implementing appropriate corrective action to initiate a repair or return to compliance. This role analyzes recurring problems and initiates solutions for preventing reoccurrence.  Individuals in this role may be required to remotely log into the end users' endpoint (desktops and/or servers) to perform technical software configuration, rebooting, manual patch installation and other remedial actions. 

Education:

• Bachelor's degree with 4+ years of relevant experience or Master’s degree with 2+ years of relevant experience or Associate’s with 6+ years of related experience or High School Diploma with 8+ years of related experience.

Security 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 obtain a polygraph.

Primary Responsibilities -

• Experience with interacting with customers to handle service inquiries and problems.
• Rapidly distinguish isolated user problems from enterprise-wide application/system problems. 
• Coordinate with customers and stakeholders to conduct analysis, troubleshoot patch installation issues, coordinate connection of disconnected system, and implement fix actions to restore compliance enterprise-wide.
• Develop solutions to complex technical issues.
• Provide follow-up reports (technical findings, feedback, resolution steps taken) for root cause analysis, engineering technical assessment and process improvement initiatives. 
• Support customer requirements in a 24/7/365 mission environment.
• Provide general systems administration mentoring and training to 24/7/365 IT Operations Center (ITOC) personnel.
• Develop and update operations and maintenance documentation for 24/7/365 ITOC personnel. 
• Coordinate with Cyber Security staff and other service lanes to develop solutions for mitigating security risks.
• Troubleshoot SCCM/MECM agent software installation issues, package deployments, and patch incompatibilities.

Basic Qualifications -

• Experience with Tier 1 & 2 system administration
• Experience managing patch deployments in Microsoft SCCM/MECM
• Familiarity with Microsoft SCCM/MECM concepts such as Distribution Points, Collections, Packages etc.
• Experience troubleshooting patch installation errors or incompatibilities
• Experience manually uninstalling/reinstalling operating system and application patches
• Experience with Scripting/Automation using PowerShell
• Experience with interacting with customers to handle service inquiries and problems
• Experience troubleshooting issues in a growing enterprise environment
• Experience with log reviews, incident analysis, and identification of issue trends
• Experience with patch management methodologies for workstation and server operating systems such as Microsoft Windows, Linux, Mac, and Unix
• Experience working individually in a team environment to complete assigned tasks
• 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 
• 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)

Preferred Qualifications -

• Microsoft 365 Certified: Endpoint Administrator Associate, or other SCCM/MECM related certification is a plus

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 23, 2026

Pay Range:

Pay Range $73,450.00 - $132,775.00

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.