Senior Systems Administrator - DoD Secure Enterprise Infra

SmartRecruiters, Inc.; Northern (KY); Hybrid; USD 90,000 - 140,000; Full time

Benefits offered by this job

Paid holidays

Paid time off

Medical

Dental

Vision

Life insurance

Relocation reimbursement

Job summary

Link Solutions, Inc. seeks a Senior Systems Administrator to join our команда at Fort Huachuca, AZ. The role focuses on supporting USAISEC’s CSD with Windows and Linux servers, AD, virtualization, and network infrastructure in both classified and unclassified environments.

You will implement RMF controls, conduct vulnerability assessments, and ensure readiness for security operations while delivering Tier II/III support and documentation across enterprise systems.

Qualifications

• Active DoD Top Secret Clearance required.
• Ten (10+) years of experience administering, maintaining, and supporting enterprise IT systems including Windows/Linux servers and networks.
• IAT Level II Certification or higher per DoD 8570/8140 with a second certification in a related discipline.
• Experience with VMware vSphere/ESXi, Active Directory, and network management in enterprise environments.

Responsibilities

• Administer, maintain, and support Windows, Linux/UNIX, and Active Directory server environments for high availability, performance, and security.
• Install, patch, upgrade, and sustain OSes, applications, and services per government and organizational requirements.
• Monitor performance, troubleshoot issues across classified and unclassified environments, and provide Tier II/III support.
• Manage user accounts, permissions, and privileged access; enforce cybersecurity and access controls.
• Support network infrastructure including routers, switches, firewalls, and cabling; maintain documentation and topology maps.
• Implement RMF requirements, manage security controls, conduct vulnerability assessments, and maintain ATO documentation.
• Coordinate with vendors and Government stakeholders for issue resolution and maintenance activities.
• Prepare technical briefings and reports for leadership and governance boards.

Skills

DoD Top Secret Clearance

IAT Level II Certification

Windows Server

Linux/UNIX

VMware vSphere/ESXi

Active Directory

Network Administration

Education

Bachelor's degree in Computer Science / Information Technology

Tools

VMware vSphere/ESXi

Windows Server

Active Directory

Group Policy

Job description

Link Solutions, Inc. seeks a Senior Systems Administrator to join our команда at Fort Huachuca, AZ. The role focuses on supporting USAISEC’s CSD with Windows and Linux servers, AD, virtualization, and network infrastructure in both classified and unclassified environments.

You will implement RMF controls, conduct vulnerability assessments, and ensure readiness for security operations while delivering Tier II/III support and documentation across enterprise systems.