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Cambridge International Systems Inc

Designs and delivers cyber-physical security solutions

VMware Systems Administrator

System AdministrationConfirmed live in the last 24 hours
Full-timeQuantico, VA, USA

About the Job

Requirements

  • A bachelor's degree in Information Technology, Computer Science, Systems Engineering, or a related field with at least 5 years of relevant experience is required; 7 or more years of relevant experience may substitute for the degree.
  • Strong proficiency with VMware vSphere, vSAN, vMotion, HA/DRS, and enterprise virtualization management is required.
  • Hands-on experience managing Windows Server enterprise environments, including Active Directory, DNS, PKI, Group Policy, and LDAP-backed authentication, is required.
  • Familiarity with networking concepts, including VLANs, routing, distributed switching, and firewall rules, and with storage architectures is required.
  • Experience applying STIGs, CIS Benchmarks, or other hardening frameworks to VMware and Windows systems is required.
  • A VMware Certified Professional certification is required.
  • Windows certifications such as MCSA/MCSE or equivalent are listed.
  • A current and active DoD Top Secret/SCI security clearance is required.
  • Proficiency with modern IT tools and infrastructure technologies is required.
  • The role requires the ability to travel up to 10%, with some overnight stays possible.
  • The role requires prolonged sitting and/or standing, including desk-based computer work.
  • The role requires travel between work locations, including company offices, customer sites, and government installations.
  • The role may require occasional extended work hours, including evenings or weekends.
  • The role requires transporting and using work equipment, such as laptops and job-related tools, during site visits.
  • The role is performed in a secure facility where personal electronic devices, including Bluetooth- or Wi-Fi-enabled devices, may be restricted.
  • The role requires verbal and written communication with team members, customers, and stakeholders.
  • The role requires managing competing priorities, working under deadlines, and maintaining attention to detail.
  • The role requires interaction in dynamic environments, including situations requiring problem-solving and conflict resolution.
  • Employment is contingent upon successful background investigation.
  • Alcohol and drug screening may be required for federal contract compliance.
  • Compliance with vaccination and medical requirements for TDY/OCONUS roles is specified.

Responsibilities

  • Manage, optimize, and maintain VMware vSphere environments, including ESXi hosts, vCenter Server, resource management, and distributed switching.
  • Administer and troubleshoot clustered architectures using vSAN, vMotion, Storage vMotion, DRS, and HA to ensure uninterrupted service availability.
  • Monitor and support shared storage platforms, including vSAN, iSCSI, NFS, and 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.
  • Use 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 server-system performance, including uptime, failover, anti-viral, and anti-spamming.
  • Set up and maintain fault tolerances, and monitor and manage accounts.

Desired Qualifications

  • A VMware Certified Advanced Professional certification is preferred.
  • Experience with scripting or automation tools such as PowerCLI, PowerShell, or Python is preferred.
  • Strong analytical, troubleshooting, documentation, and communication skills are preferred.

About the Company

Cambridge International Systems Inc

Designs and delivers cyber-physical security solutions

Cambridge International Systems designs and delivers capacity-building and security solutions across cyber and physical domains, working in sectors such as critical infrastructure, border security, aviation, threat finance, banking, and health security. It uses holistic discovery to understand complex environments and then deploys integrated, multi-domain solutions that address people, processes, and technology, with advisory, implementation, and ongoing support. With nearly 30 years of experience in high-stakes environments, it focuses on end-to-end capacity-building and holistic problem-solving rather than isolated tools, serving clients globally. Its goal is to reduce risk from sophisticated threats and strengthen security and resilience to enable successful operations.

Company size
201-500
Company stage
Not listed
Total funding
Not listed
Headquarters
Arlington, WV
Founded
1994

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