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

About the role

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.

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.
• Maintain 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.

Requirements

• Bachelor’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; VMWare Certified Advanced Professional (VCAP) preferred.
• Windows certifications (e.g., MCSA/MCSE or equivalent).
• Current and active DoD Top Secret/SCI security clearance.
• Proficient with modern IT tools and infrastructure technologies.

Qualifications

• 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 be substituted in lieu of a degree.
• Technical Expertise: 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.
• Certifications: VMWare Certified Professional (VCP) required; VMWare Certified Advanced Professional (VCAP) preferred. Windows certifications (e.g., MCSA/MCSE or equivalent).

Skills

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

Benefits

• Medical, dental, vision, life, accident, and critical illness insurance.
• 401(k) immediate vesting and match.
• Paid time off and company holidays.
• Generous tuition & training support.
• Relocation assistance.
• Sign-on and performance-based bonuses.
• Employee referral program.
• Access to Tickets at Work, EAP, wellness initiatives, and more.

Pay

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.

Schedule

This is a full-time, CONUS position requiring an active DoD Top Secret/SCI clearance.