Sr. Linux & Windows System Admin

Piper Companies is seeking a Sr. Linux & Windows System Administrator to support a mission-driven organization within the government contracting and cybersecurity industry. The Sr. Linux & Windows System Administrator will be responsible for maintaining secure, compliant, and highly available enterprise environments while supporting critical infrastructure, security monitoring, and vulnerability management initiatives. The Sr. Linux & Windows System Administrator role is a long term open ended contract opportunity and requires you to work onsite in Annapolis Junction, MD. An active TS/SCI with FSPG is required for this role., * Administer, maintain, and troubleshoot enterprise Linux and Windows server environments.

• Monitor system performance, availability, and security across multiple environments.

• Support IT security compliance initiatives and ensure systems adhere to organizational and regulatory standards.

• Utilize Splunk for log aggregation, monitoring, analysis, and security event investigations.

• Perform vulnerability assessments and remediation activities using Nessus and related security tools.

• Implement system patches, upgrades, and configuration changes while minimizing operational impact.

• Collaborate with cybersecurity, engineering, and operations teams to improve system security posture.

• Develop and maintain technical documentation, configurations, and standard operating procedures.

• Participate in troubleshooting efforts for hardware, software, network, and infrastructure issues., Linux Administration, Windows Server, System Administration, Splunk, Nessus, Vulnerability Management, Security Compliance, Cybersecurity, Security+, Security Plus CE, TS/SCI, Full Scope Polygraph, FSP, Enterprise Infrastructure, Server Administration, Incident Response, Log Analysis, Patch Management, Risk Mitigation, Information Assurance, Infrastructure Support, Network Security, Government Contracting, Security Monitoring, Troubleshooting, Active Directory

• Minimum 10 years of System Administration experience supporting enterprise environments.

• Strong experience administering both Linux and Windows operating systems.

• Hands-on experience with IT security compliance, auditing, and cybersecurity best practices.

• Experience utilizing Splunk and/or Nessus for security monitoring and vulnerability management.

• Active TS/SCI with Full Scope Polygraph (FSP) required.

• Security+ CE or higher certification required.

• Strong troubleshooting, analytical, and problem-solving skills.

• Experience supporting secure, mission-critical environments is highly preferred.

• Salary range: $140,000 - $200,000

• Full Comprehensive Benefits: Health, Vision, Dental, PTO, Paid Holiday and Sick Leave if Required by Law.

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