Senior Windows Systems Administrator

Leidos

Confirmed live 2 days ago High trust

Quick summary

Work type
On-site
Location
Annapolis Junction, MD
Salary
$116,350–$210,325 / yr
Posted
14 days ago
Freshness
Confirmed live 2 days ago

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $143k
This role $163k
$100k most similar roles pay here $222k

This role pays more than 68% of similar roles. Most pay $113,207–$173,285 — the shaded band above. At the midpoint, this role pays about $163k versus about $143k for comparable roles.

Based on 240 similar postings.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 264 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 245 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Senior Windows Systems Administrator

Sr. Windows Systems Administrator TS/SCI Poly joins the Cyber & Analytics Business Area to provide daily systems administration and maintenance support across a broad geographic footprint. Working within an Agile team, the role involves monitoring test infrastructure, managing server, router, and firewall configurations, and performing application performance optimization. The position requires maintaining virtual server clusters, managing Active Directory and DNS environments, and executing Information Assurance Vulnerability Alerts (IAVAs) to remediate security risks. Key technical requirements include proficiency in Windows and Linux guest servers, VMware, Microsoft SCCM, Exchange Management Shell, PowerShell scripting, and Command Line tools. The role addresses complex program needs involving security engineering, network operations, and cryptographic key management. Candidates must possess a TS/SCI with Polygraph and demonstrate expertise in security governance, risk management, and infrastructure support within a high-paced environment.

What you'll do

  • Monitor test infrastructure systems, applications, and processes to identify and resolve issues promptly.
  • Configure and maintain server, router, and firewall settings within a VMware and VDI environment.
  • Manage Active Directory configurations, Group Policy Objects (GPOs), and DNS environments.
  • Execute vulnerability management by addressing system scan findings and deploying security patches.
  • Manage Information Assurance Vulnerability Alerts (IAVAs) in accordance with System Security Plans.
  • Utilize enterprise monitoring tools to detect, assess, and respond to system alerts.
  • Author and maintain technical documentation for systems, procedures, and project requirements.
  • Provide on-call support for system administration, operations, and maintenance issues.

What we're looking for

  • Must have a Bachelor's degree in Computer Science, Information Technology, or a related technical field.
  • Must have 12 years of prior relevant experience (or equivalent experience in lieu of a degree).
  • Must have at least 7 years of Windows administration experience.
  • Must have at least 7 years of experience in information security management including governance and risk management.
  • Must have at least 5 years of experience with Active Directory, DNS, GPOs, SCCM, and Microsoft Exchange.
  • Must have experience with Windows Command Line, PowerShell, and PowerShell scripting.
  • Must have a TS/SCI clearance with a Polygraph.
  • Familiarity with VMware, Linux operating systems, and networking technologies like routers and firewalls.

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