Systems Engineer– Top Secret​/SCI | Quantico, VA

Systems Engineer – 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 Systems Engineer
to support operations in Quantico, VA
. This is a full-time, CONUS position requiring an active DoD Top Secret/SCI
.

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.

As a Systems Engineer
, you will play a critical role in Quantico, VA, that serve U.S. government missions oversees. This role falls under Virtual Systems Administrator in our ERI compensation structure. You will:

• Specialize in designing, implementing, securing, and maintaining enterprise-grade virtualized infrastructures. This role requires broad expertise across VMware technologies as well as Windows-based enterprise services to ensure stable, secure, and highly available environments.

• 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.

• Required Qualifications:
  • Education & Experience:
    • 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.
  • 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)
  • Required…