Virtualization Systems Administrator

Responsibilities

• Architect, deploy, and manage virtualization platforms (VMware vSphere/ESXi or equivalent) hosting both IT and OT workloads including MES servers, historian systems, and business applications.
• Own the design and administration of virtual machine environments including resource allocation, snapshots, templates, HA/DR configuration, and capacity planning.
• Define, document, and maintain integration points between OT and IT systems including MES-to-ERP data flows, historian feeds, and inter-system APIs.
• Enforce CMMC-aligned access control and boundary protections at all integration layers.
• Administer MES servers and supporting infrastructure including OS patching, service health, backups, and vendor coordination.
• Ensure systems remain available and performant for production operations.
• Provide general systems administration for IT infrastructure including Windows/Linux servers, Active Directory, DNS/DHCP, file services, and endpoint management.
• Maintain system documentation, configuration baselines, and SOPs for all supported platforms.
• Possess a deep understanding of OT system requirements including uptime constraints, patching limitations, and vendor support considerations.
• Partner with Operations, Engineering, Quality, and Finance to support system needs and improvement initiatives.

Qualifications

• 3+ years of systems administration experience with at least 1 years focused on virtualization platforms in a production environment.
• Manufacturing, defense, or government-regulated environments preferred.
• Direct hands-on experience with VMware vSphere/ESXi, vCenter, or equivalent hypervisor platforms.
• Experience with VM templates, clusters, vMotion, and storage configurations required.
• Experience administering MES, historian, or SCADA-adjacent server environments.
• Familiarity with OT system requirements including uptime constraints, patching limitations, and vendor support considerations.
• Working knowledge of NIST 800-171 control families and CMMC practices as they apply to server and virtualization infrastructure.
• Experience supporting or preparing for CMMC assessments strongly preferred.
• Solid Windows Server administration skills including Active Directory, Group Policy, DNS, DHCP, and file/print services.
• Linux experience a plus.
• Ability to map and document how systems communicate, identify integration gaps, and implement or modify integrations with appropriate access controls and logging.
• Prior experience supporting federal contractors, DoD programs, or government-adjacent facilities with CUI handling and export-controlled environments (ITAR/EAR).
• Ability to lift up to 50 lbs, work in a manufacturing environment, and perform physical server and rack work as needed.
• VMware VCP, Microsoft MCSA/MCSE, CompTIA Server+, CompTIA Security+, or equivalent.
• Must be a U.S. Person due to required access to U.S. export-controlled information or facilities.