C

Cambridge International Systems Inc

Designs and delivers cyber-physical security solutions

VMware Systems Administrator

Full-TimeUpdated on 10/20/2026
$77k - $143k/yr+ Sign-on bonus + Performance-based bonus + Relocation assistance
Senior
Bachelor's
Quantico, VA, USA
In Person
IT OperationsSystem Administration
No H1B Sponsorship
US Top Secret Clearance Required

About the job

Requirements
  • A bachelor's degree in Information Technology, Computer Science, Systems Engineering, or a related field with 5+ years of relevant experience is required; 7+ years of relevant experience may substitute for a degree.
  • Strong proficiency with VMware vSphere, vSAN, vMotion, HA/DRS, and enterprise virtualization management.
  • Hands-on experience managing Windows Server enterprise environments, including Active Directory, DNS, PKI, Group Policy, and LDAP-backed authentication.
  • Familiarity with networking concepts such as VLANs, routing, distributed switching, and firewall rules, as well as storage architectures.
  • Experience applying STIGs, CIS Benchmarks, or other hardening frameworks to VMware and Windows systems.
  • A VMware Certified Professional (VCP) certification is required.
  • Windows certifications such as MCSA/MCSE or equivalent.
  • Must have a current and active DoD Top Secret/SCI security clearance.
  • Proficiency with modern IT tools and infrastructure technologies.
  • Ability to travel up to 10%, including possible overnight stays.
  • Ability to sit and/or stand for extended periods, including desk-based computer work.
  • Ability to travel between work locations, including company offices, customer sites, and government installations.
  • Ability to work extended hours, including evenings or weekends, as needed.
  • Ability to transport and use work equipment, such as laptops and job-related tools, during site visits.
  • Ability to work in a secure facility where personal electronic devices, including Bluetooth- or Wi-Fi-enabled devices, may be restricted.
  • Ability to communicate with team members, customers, and stakeholders verbally and in writing.
  • Ability to manage competing priorities, work under deadlines, and maintain attention to detail.
  • Ability to interact with others in dynamic environments, including situations requiring problem-solving and conflict resolution.
  • Compliance with vaccination and medical requirements for TDY/OCONUS roles, as applicable.
  • Employment is contingent upon a successful background investigation.
  • Alcohol and drug screening may be required for federal contract compliance.
Responsibilities
  • Design, implement, secure, and maintain 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 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 apply understanding of 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 (VCAP) certification is preferred.
  • Experience with scripting or automation tools such as PowerCLI, PowerShell, or Python.
  • Sign-on and performance-based bonuses are available.
  • Employee referrals may qualify for a bonus.

About the company

C

Cambridge International Systems Inc

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Cambridge International Systems delivers capacity-building and security solutions across cyber and physical domains, serving sectors like critical infrastructure, border security, aviation, threat finance, banking, and health security worldwide. It uses holistic discovery to understand complex environments and deploys integrated, multi-domain solutions that address people, processes, and technology, with advisory, implementation, and ongoing support to build capabilities. The firm differentiates itself with nearly 30 years of experience in high-stakes environments at the intersection of cyber and physical security, offering end-to-end capacity-building rather than isolated tools. Its goal is to reduce risk from sophisticated threats and enable successful operations by strengthening security, resilience, and capabilities across organizations and critical systems.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

Arlington, West Virginia

Founded

1994

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Simplify's Take

What believers are saying

  • 2026 headquarters move to Tysons Corner signals continued investment and hiring proximity.
  • FY2026 awarded $10.7 million year-to-date, showing continued federal demand.
  • Recent wins in Navy fiber, DoD logistics, and border/security work sustain backlog.

What critics are saying

  • 2025 bribery guilty plea and $2.25 million fine damage credibility with Navy customers.
  • Former executive Russell Thurston tied Cambridge to bribery; compliance monitoring now matters immediately.
  • Dependence on federal contracting leaves Cambridge vulnerable if DOJ or debarment actions escalate.

What makes Cambridge International Systems Inc unique

  • CMMC Level 2 certification and CSfC Trusted Integrator status strengthen federal trust.
  • OASIS+ IDIQ in 2025 expands access across DoD and civilian agencies.
  • Deep defense portfolio spans aviation, C6ISR, cybersecurity, and logistics worldwide.

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Benefits

  • Professional Development Budget

Company News

DAV
Sep 22nd, 2026
DAV names Virginia veteran-owned business Small Employer of the Year.

DAV names Virginia veteran-owned business Small Employer of the Year. Posted on Sep 22, 2026 ERLANGER, Ky. - DAV (Disabled American Veterans) has named Cambridge International Systems its Small Employer of the Year. A Veteran-Owned Small Business headquartered in Vienna, Virginia, Cambridge offers expertise in aviation, operations, security and technology solutions to the U.S. government and partner nations. The award will be officially announced Aug. 2 during the 2026 DAV and Auxiliary National Convention in Orlando, Florida. The national-level honor recognizes Cambridge as a leader in veteran hiring among numerous other businesses with fewer than 250 employees. Veterans make up approximately 33% of Cambridge's workforce, including leadership and supervisory roles. For the past five years, Cambridge has maintained a veteran hiring rate between 30% and 45%. To grow veterans in technical, management and executive roles, Cambridge offers tuition assistance and leadership training programs to its employees. Additionally, veteran and military employees have a platform to connect and access resources through the Cambridge Stars Employee Resource Group. Cambridge actively supports veterans beyond the workplace through meaningful community engagement, corporate giving, outreach initiatives and public recognition of military service in the communities where the company operates. "Cambridge International Systems demonstrates what it means to invest in veterans not only as employees but as leaders and innovators," said DAV National Commander Coleman Nee. "Its commitment to recruiting, developing and supporting veteran talent creates meaningful career opportunities while strengthening its organization. We're proud to recognize Cambridge as DAV's 2026 Small Employer of the Year." Interviews and photos available upon request. Find a DAV location. Contact your nearest DAV office. They will help you file a claim and stick with you all through the process, because no veteran should have to go at it alone. Find Your Nearest DAV Office

Cambridge International Systems
Dec 5th, 2025
Cambridge Awarded High-Quality Ethics and Compliance Program Credential

Cambridge awarded High-Quality Ethics and compliance Program credential. Cambridge International Systems, Inc. is proud to announce that Cambridge International has been awarded the High-Quality Ethics & Compliance (HQP) Program Assessment Credential from the Ethics & Compliance Initiative (ECI) for 2025 - 2026. This prestigious designation recognizes organizations that excel in building, sustaining, and continuously enhancing robust ethics and compliance programs aligned with global best practices. ECI is a leading nonprofit organization dedicated to advancing high standards of integrity and promoting strong, effective ethics and compliance programs worldwide. Its HQP Assessment is a rigorous, evidence-based review and is widely regarded as one of the most respected evaluations of organizational ethics and compliance maturity. The credential is awarded only to companies that meet or exceed rigorous benchmarks across five core pillars that define an ethical and high-functioning workplace: * Strategy - Clear alignment between the organization's mission, operations, and ethical commitments * Risk Management - Proactive identification and mitigation of ethics and compliance risks * Culture - A healthy organizational culture where values guide behavior at all levels * Speaking Up - Trusted channels for reporting concerns without fear of retaliation * Accountability - Consistent, fair enforcement of policies and expectations Achieving the HQP credential affirms Cambridge's longstanding dedication to fostering an environment where integrity, transparency, and responsible decision-making are embedded in everyday work. It also highlights the company's commitment to continually strengthening its ethics and compliance framework as Cambridge expands its mission and supports customers around the world. "Earning this recognition from ECI reflects the collective efforts of our teams and leaders, who prioritize ethical behavior and compliance excellence in all that we do," said Amin Said, Cambridge Vice President of Corporate Compliance. "Our commitment to integrity is foundational to our success and our responsibility to customers, partners, and each other." The HQP designation underscores Cambridge's belief that strong ethics are not just a requirement - but a strategic advantage that enables the company to build trust, deliver quality, and uphold its core values in every engagement.