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From the employer's careers site First seen 14 Nov 2026

Windows System Administrator

Leidos Warner Robins, GA On-site senior full-time

Salary

$92,300 - $166,850 per year

Apply on Leidos

Description

Leidos is seeking a Windows System Administrator to join its high-performing team in support of a complex, fast-paced program. The successful candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint.

Key responsibilities include:

  • Supporting operational requirements and engineering assistance
  • Deploying and sustaining new capabilities within the environment
  • Monitoring and administrating systems, applications, and processes to ensure issues are identified, tracked, and resolved in a timely manner
  • Supporting servers and performing security management and application performance optimization activities

Additional responsibilities include:

  • Maintaining multiple virtual server clusters
  • Using enterprise monitoring tools to detect, assess, and respond to alerts
  • Providing technical support to partner workgroups
  • Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning
  • Initiating IAVA responses and system security scans, completing remediation actions, deploying patches and security updates, and executing monthly security scans
  • Identifying and resolving hardware and software problems
  • Proactively notifying customers of potential delays or system outages
  • Authoring and maintaining clear documentation
  • Responding to calls and emails in a timely and professional manner
  • Planning and implementing IT enhancements

The ideal candidate will have:

  • A Bachelor's degree in Information Technology or a related technical field and 10 years of prior relevant experience
  • At least 5 years of Windows administration experience and 3 years of experience in information security management
  • Strong analytical skills, attention to detail, and the ability to work effectively both independently and as part of a team
  • An active Information Assurance Technical (IAT) Level II baseline certification
  • Experience with Windows Active Directory, DNS environments, Group Policy Objects (GPOs), Microsoft MCM, Microsoft Exchange administration, and Windows Command Line, PowerShell, and PowerShell scripting
  • A strong understanding of advanced security protocols, standards, and information security principles

Leidos offers competitive benefits, including 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, and more.

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Skills

Required

  • Windows administration
  • Information security management
  • Windows Active Directory
  • DNS environments
  • Group Policy Objects (GPOs)
  • Microsoft MCM
  • Microsoft Exchange administration
  • Windows Command Line
  • PowerShell
  • PowerShell scripting
  • Information Assurance Technical (IAT) Level II baseline certification

Nice to have

  • Experience documenting and supporting security accreditation and certification activities
  • Tenable and Trellix security technologies
  • Data center design and configuration
  • VMware VCF 9.0.2
  • System Administrator role supporting software configuration management and classified environments

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Warner-Robins-GA/System-Administrator_R-00194520-1

Apply on Leidos