Senior Systems Administrator (VMWare)- Top Secret Cleared
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Before you apply
LocationPatuxent River, MD
Work modeon-site
Typefull-time
SenioritySenior
DepartmentClient Opportunities, System Engineering Openings
Company size1,001–5,000 people
PostedJan 30, 2026 · 9mo ago
Verified live2d ago
May no longer be actively hiring
Posted by the company on Jan 30, 202698% of this company's open roles have been listed for 90+ days
At a glanceSummarised by Seekless from the posting.
Deep expertise in VMware virtualization technologies
Design, implement, and maintain VMware environments (vSphere, ESXi, vCenter)
Manage and optimize virtual infrastructure performance, capacity, and availability
Administer Windows and/or Linux server environments in virtualized settings
Perform system upgrades, patching, backups, and disaster recovery planning/testing
Monitor system health and proactively troubleshoot complex infrastructure issues
Support storage and networking components related to virtualization (SAN/NAS, VLANs, NIC teaming)
Implement and maintain security best practices, access controls, and system hardening
Collaborate with IT leadership, application teams, and vendors on infrastructure initiatives
Serve as a technical escalation resource for system-related incidents and outages
Document system configurations, procedures, and operational standards
Mentor junior administrators and contribute to process improvements
Active Top Secret or Interim Top Secret clearance required
Skills
VMware
vSphere
ESXi
vCenter
Windows
Linux
SAN
NAS
VLANs
NIC teaming
Job Summary:
We are seeking a Senior Systems Administrator with deep expertise in VMware virtualization technologies to support, maintain, and enhance our enterprise infrastructure. This role is responsible for ensuring high availability, performance, and security across virtualized environments, while serving as a technical escalation point and mentor to junior team members.
Active Top Secret or Interim Top Secret clearance required.
Responsibilities:
•
Design, implement, and maintain VMware environments (vSphere, ESXi, vCenter)
•
Manage and optimize virtual infrastructure performance, capacity, and availability
•
Administer Windows and/or Linux server environments in virtualized settings
•
Perform system upgrades, patching, backups, and disaster recovery planning/testing
•
Monitor system health and proactively troubleshoot complex infrastructure issues
•
Support storage and networking components related to virtualization (SAN/NAS, VLANs, NIC teaming)
•
Implement and maintain security best practices, access controls, and system hardening
•
Collaborate with IT leadership, application teams, and vendors on infrastructure initiatives
•
Serve as a technical escalation resource for system-related incidents and outages
•
Document system configurations, procedures, and operational standards
•
Mentor junior administrators and contribute to process improvements