VMWare Systems Administrator – Top Secret/SCI | Quantico, VA

Cambridge International Systems Inc•Quantico, VA

1d•$77,000 - $143,000•Onsite

About The Position

Cambridge International Systems, Inc. is seeking a VMWare Systems Administrator to support operations in Quantico, VA. This is a full-time, CONUS position requiring an active DoD Top Secret/SCI. The role involves designing, implementing, securing, and maintaining enterprise-grade virtualized infrastructures, requiring expertise in VMware technologies and Windows-based enterprise services to ensure stable, secure, and highly available environments. The position is classified under Virtual Systems Administrator in their ERI compensation structure.

Requirements

Bachelors ‘s degree in Information Technology, Computer Science, Systems Engineering, or related field with 5+ years of relevant experience required; 7 + years may be substituted in lieu of a degree.
Strong proficiency with VMWare vSphere, vSAN, vMotion, HA/DRS,and enterprise virtualization management.
Hands-on experience managing Windows Server enterprise environments, including AD, DNS, PKI, Group Policy, and LDAP-backed authentication.
Familiarity with networking concepts (VLANs, routing, distributed switching, firewall rules) and storage architectures.
Experience applying STIGs, CIS Benchmarks, or other hardening frameworks to both VMWare and Windows systems.
VMWare Certified Professional (VCP) required.
Windows certifications (e.g., MCSA/MCSE or equivalent)
Must have a current and active DoD Top Secret/SCI security clearance.
Proficient with modern IT tools and infrastructure technologies

Nice To Haves

VMWare Certified Advanced Professional (VCAP) preferred.
Experience with scripting or automation tools (PowerCLI, PowerShell, Python).
Strong analytical, troubleshooting, documentation, and communication skills.

Responsibilities

Manage, optimize, and maintain VMware vSphere environments, including ESXi hosts, vCenter Server, resource management, and distributed switching.
Administer and troubleshoot clustered architectures leveraging vSAN, vMotion, Storage vMotion, DRS, and HA to ensure uninterrupted service availability.
Monitor and support shared storage platforms (vSAN, iSCSI, NFS, FC) and understand their role in VM mobility and host clustering.
Support virtualized Windows Server workloads, including Active Directory, DNS, DHCP, Group Policy, LDAP, and PKI/Certificate Services.
Ensure seamless integration between VMware infrastructure and Windows-based identity, authentication, and certificate components.
Implement, maintain, and validate STIG-compliant baselines for ESXi hosts, vCenter, and Windows Server systems.
Utilize VMware Security Configuration Guides, DoD STIGs, CIS Benchmarks, STIG Viewer, and PowerCLI to maintain hardened configurations.
Perform routine audits and remediation to ensure compliance with organizational and federal security requirements.
Design and deploy virtual infrastructure solutions—including clusters, shared storage, networking, and lifecycle management—following best practices for performance and security.
Develop templates, golden images, and standard operating procedures to support consistent VM deployments and secure configurations.
Collaborate with systems, network, and cyber engineers to deliver and maintain reliable, secure enterprise environments.
Troubleshoot complex virtualization and Windows-based issues.
Administers, designs, implements, supports, and maintains operations for an organization's VMware environment infrastructure.
Oversees performance tuning and monitors performance of server systems, including uptime, failover, anti-viral, and anti-spamming.
Sets up and maintains fault tolerances, and monitors and manages accounts.