Senior Systems Administrator (Windows & Linux)

Piper Companies is seeking a Senior Systems Administrator (Windows & Linux) for a government technology client supporting classified programs in Annapolis Junction, MD. The Senior Systems Administrator (Windows & Linux) will manage enterprise operating environments while ensuring compliance with security standards and operational requirements.

Responsibilities of the Senior Systems Administrator (Windows & Linux):

• Administer and maintain Windows and Linux server environments.
• Monitor system health, performance, and security compliance.
• Utilize Splunk and Nessus to identify and remediate vulnerabilities.
• Support system patching, upgrades, and hardening activities.
• Troubleshoot complex infrastructure issues across multiple platforms.
• Collaborate with cybersecurity and engineering teams to maintain secure operations.
  
  

Qualifications of the Senior Systems Administrator (Windows & Linux):

• Active TS/SCI clearance with Full Scope Polygraph (FSP).
• Security CE certification or higher.
• Experience administering both Linux and Windows environments.
• Experience with IT security compliance initiatives.
• Hands-on experience utilizing Splunk and/or Nessus.
• Strong problem-solving and infrastructure support experience.
  
  

Compensation for the Senior Systems Administrator (Windows & Linux) includes:

• Salary range: $80,000 - $200,000 depending on experience
• Comprehensive benefits package including medical, dental, vision, 401(k), and PTO
• Long-term career growth within mission-focused programs
  
  

This job opens for applications on 10/27/2026. Applications for this job will be accepted for at least 30 days from the posting date.