Principal Systems Administrator

Leidos

. Support the design, development and deployment of products, tools and capabilities in support of a dynamic customer enterprise .

Posted 10/14/2026full-timeUnited StatesLead💰 $116,350 - $210,325 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in System Administration, particularly in Windows environments, with a strong focus on automation, Agile methodologies, and effective documentation practices. Capable of resolving complex multi-domain systems issues while coordinating with teams to achieve mission objectives.

Highest-signal resume keywords

Windows 2012/2016 AdministrationActive Directory ManagementScripting/AutomationAgile MethodologyTS/SCI Clearance with Polygraph

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

System AdministrationWindows Environment HardeningServer Patch ManagementTroubleshootingAutomation Scripting

Soft Skills

Team CollaborationGoal SettingProject Planning

Tools & Technologies

JiraConfluenceWindows PowerShell

Industry Keywords

Mission NeedsDynamic Customer EnterpriseO&MDev OpsDocumentation

Tech Stack

Tools & technologies

DNSTypeScript

About the role

Key responsibilities & impact

Support the design, development and deployment of products, tools and capabilities in support of a dynamic customer enterprise
Perform System Administration tasks on a customer’s system that supports mission needs and coordination requirements
Work in a team environment and coordinate with appropriate elements to meet design, development, deployment, and monitoring/securing objectives
Design, build, test and maintain scalable and stable technology solutions to meet mission needs
Create documentation including flowcharts, diagrams, manuals and other required or requested deliverables
Use Agile methodology to document requirements, configure, test, implement and support efficient solutions
Perform automation tasks through scripting and testing
Rotate between O&M and Dev Ops roles as required for Agile processes
Evaluate alternatives including cost and risk, supportability and analyses for total systems
Resolve highly complex multi-domain systems issues
Operate and maintain systems in Windows

Requirements

What you’ll need

Bachelors degree with 12+ years of prior relevant experience or Masters with 10+ years of prior relevant experience
Additional years of experience may be substituted in lieu of a degree
Must have an active TS/SCI with a Polygraph, to be considered
In-depth of experience with Windows 2012/2016
Significant experience with Active Directory and DNS
Significant experience with hardening Windows environments
Demonstrated experience with Scripting/Automation
Experience troubleshooting issues in a growing environment
Experience with server patch management methodologies
Familiarity working with Window’s PowerShell
Experience working with Jira and Confluence
Significant experience working in an Agile environment
Significant experience establishing goals and plans that meet project objectives

Benefits

Comp & perks

Paid Time Off
11 paid Holidays
401K with a 6% company match and immediate vesting
Flexible Schedules
Discounted Stock Purchase Plans
Technical Upskilling
Education and Training Support
Parental Paid Leave