Senior Systems Administrator - TS/SCI | Cloud & Virtualization

ADP, Inc.

Herndon (VA)

On-site

USD 90,000 - 130,000

Full time

8 days ago

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Job summary

Visionary Solutions, LLC is seeking a Senior Systems Administrator in Herndon, VA to lead enterprise Windows Server, AD, virtualization, and cloud infrastructure. This role reports to IT leadership and requires active TS/SCI clearance, DoD RMF knowledge, and hands-on expertise across on-premises, cloud, and hybrid environments.

The ideal candidate will design, implement, and optimize server platforms, storage, backup, and security controls, mentor junior staff, and collaborate with network and

Qualifications

Bachelor's degree in computer engineering, computer science or related field; substitutions possible.
8+ years in computer systems, networking and IT configuration.
Proof of certifications such as Security+, CISSP, CASP+, CCNA, Azure, or AWS required.
DoDD 8140/8570 IAT level I or IAM level III certification required.

Responsibilities

Administer and maintain enterprise Windows Server environments.
Manage Active Directory, Group Policy, DNS, DHCP and identity services.
Administer VMware vSphere and Proxmox virtual infrastructure.
Support Microsoft Azure and Microsoft 365 cloud services.
Develop automation scripts (PowerShell, etc.) and perform security remediation.

Skills

Active Directory

PowerShell

Python

Cloud services

VMware vSphere

Linux/UNIX

Networking (LAN/WAN)

Azure

Education

Bachelor's degree in computer engineering or related field

Tools

Veeam

Proxmox

Microsoft 365

Job description

The ideal candidate will design, implement, and optimize server platforms, storage, backup, and security controls, mentor junior staff, and collaborate with network and

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