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

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

Cambridge International Systems, Inc.

Join a dynamic global team united by shared values: commitment, integrity, and perseverance. At Cambridge, you’ll work alongside top talent worldwide, tackling some of today’s most complex and critical challenges in defense and security.

We are currently 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 clearance. The base salary range for this role is $77,000 to $143,000 annually, depending on geographic location and experience. The final offer will be based on relevant experience, skills, internal equity, and market data.

• Specialize in designing, implementing, securing, and maintaining enterprise‑grade virtualized infrastructures.
• 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.
• Administer, design, implement, support, and maintain operations for the organization’s VMware environment infrastructure.
• Oversee performance tuning and monitor performance of server systems, including uptime, failover, anti‑viral, and anti‑spamming.
• Set up and maintain fault tolerances, and monitor and manage accounts.

• Education & Experience: Bachelor’s degree in Information Technology, Computer Science, Systems Engineering, or related field with 5+ years of relevant experience required; 7+ years may substitute for a degree.
• Technical Expertise – VMware: Strong proficiency with VMware vSphere, vSAN, vMotion, HA/DRS, and enterprise virtualization management.
• Technical Expertise – Windows: Hands‑on experience managing Windows Server enterprise environments, including AD, DNS, PKI, Group Policy, and LDAP‑backed authentication.
• Technical Expertise – Networking & Storage: Familiarity with networking concepts (VLANs, routing, distributed switching, firewall rules) and storage architectures.
• Hardening Frameworks: Experience applying STIGs, CIS Benchmarks, or other hardening frameworks to both VMware and Windows systems.
• Certifications: VMware Certified Professional (VCP) required; VCP Advanced (VCAP) preferred.
• Clearance: Must have a current and active DoD Top Secret/SCI clearance.

• Experience with scripting or automation tools (PowerCLI, Power Shell, Python).
• Strong analytical, troubleshooting, documentation, and communication skills.

• Up to 10% travel; some overnight stays possible.

• Regular desk‑based computer work with periods of prolonged sitting or standing.
• Travel between work locations, including company offices, customer sites, and government installations.
• Occasional extended…