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System Administrator, VI; Virtual Infrastructure

Listing for: Castalia Systems
Full Time position Listed on 2026-11-14
Job specializations:
Salary/Wage Range or Industry Benchmark: 140000 - 150000 USD Yearly USD 140000.00 150000.00 YEAR

Job Description & How to Apply Below

Position: System Administrator, VI (Virtual Infrastructure)
Job Summary

The Systems Administrator VI will oversee the maintenance, security, and performance of USINDOPACOM's Virtual Machine Operating Environment (VOE), comprising over 300 VMs across various security levels. This role involves system patching, security compliance, log monitoring, and collaboration with developers to enhance workflows.

Job Type: Full
- Time
Workplace Type: Onsite
Clearance: TS/SCI
Must be a U.S. Citizen

Job Summary

The Systems Administrator VI will oversee the maintenance, security, and performance of USINDOPACOM's Virtual Machine Operating Environment (VOE), comprising over 300 VMs across various security levels. This role involves system patching, security compliance, log monitoring, and collaboration with developers to enhance workflows.

Roles And Responsibilities

A qualified candidate will perform the following duties and responsibilities, but are not limited to:

  • Perform day-to-day system administration services and is responsible for supporting information technology disciplines and practices to ensure the operations, confidentiality, integrity, and availability of information assets in accordance with established standards and procedures.
  • Work closely with information owners, HQ USINDOPACOM Directorates, Systems Staff, Network Staff and Cybersecurity staff to ensure system/application operations and security is achieved, maintained, and reported accurately for HQ USINDOPACOM networks.
  • Be responsible for 300+ VM’s spread across 4 different VOE’s and 3 different security classifications. They shall install, operate, enhance, secure, monitor, initiate corrective actions and report on systems under their assigned responsibilities.
  • VI System Administration:
    Maintain, install, update, to include patching and secure operating systems and applications for USINDOPACOM’s Virtual Machine Operating Environment (VOE). The following is a non-inclusive list of USINDOPACOM systems and applications required to be supported. Systems and applications may be updated, removed, and/or added in which the contractor shall support:
  • VMware vCenter
  • VMware vCOPS
  • VMware vSAN
  • VMware Horizon View
  • VMware vRealize Operations
  • VMware Aria Suite
  • VMware ESXi
  • VMware NSX
  • Cisco UCS
  • Rubrick
  • Cohesity
  • Tintri Storage
  • Pure Storage
  • Application Virtualization
  • VDI Master Image Management
  • ACAS
  • Service Now
  • Responsible for patching of the VOE. Coordinate ASI’s if downtime required to complete patching.
  • Maintain the security posture and Security Technical Implementation Guide (STIG) compliance, in accordance with DoD and USINDOPACOM requirements, of all assigned systems and applications. Analyze processes, assigned systems and applications and make recommendations for improvements and automation.
  • Ensure all VOE systems and applications are compliant with DoD Public Key Infrastructure (PKI) requirements, to include the maintenance of DoD PKI certificates for all assigned systems and applications.
  • Ensure that all VOE systems are included in the USINDOPACOM Endpoint Security Solutions (ESS) architecture and that all required ESS components are installed and configured correctly.
  • Review the security and performance logs daily.
  • Review and evaluate assigned tickets in Service Now on a daily and determine the best way to support.
  • Will work with USINDOPACOM developers to identify and develop workflows for VOE based assets, requests and tasks within Service Now.
  • Participate in technical exchange meetings, work groups, and workshops as required and make recommendations to the government.
  • Utilize ACAS to monitor the security posture of assigned assets, to include creating policies, running scan jobs, analyzing reports and validating repository information. This is a daily requirement. Ensure that all assigned systems are being scanned in accordance…
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