System Administrator III

Wichita Tribal Enterprise • US,

7d • Onsite

About The Position

Quivera Enterprises, LLC is seeking an experienced Information Technology Specialist III / System Administrator III to provide advanced operational and infrastructure support for a mission-critical enterprise datacenter environment supporting the Indian Health Service (IHS). The role is a senior technical resource responsible for the availability, confidentiality, integrity, security, and performance of enterprise systems across Microsoft Windows, Linux, VMware, cloud, and related datacenter technologies.

As a Subject Matter Expert for Shared Services Enterprise Datacenter operations, the System Administrator III provides Tier II/III technical support, leads infrastructure initiatives, supports Electronic Health Record (EHR) systems and applications, and contributes to enterprise modernization and operational improvement. The position requires strong systems administration and troubleshooting capabilities, independent management of complex technical projects, and a focus on operational excellence and customer satisfaction.

The role is primarily office-based in a professional office and enterprise datacenter environment. It may require after-hours support, scheduled maintenance windows, emergency response activities, an on-call rotation, occasional travel, and extended hours to meet operational needs and deadlines. The employee must follow organizational safety, physical security, cybersecurity, privacy, and information assurance policies.

Requirements

• Associate degree or certificate from a technical training institute in Information Technology, Computer Science, Engineering, or a related discipline, or an equivalent combination of education, technical training, certifications, and relevant experience.
• At least five years of progressively responsible information technology experience, including at least three years supporting enterprise servers, datacenter infrastructure, or comparable systems.
• Experience supporting enterprise datacenter operations and mission-critical systems.
• Strong working knowledge of Microsoft Windows Server and Linux operating systems.
• Hands-on experience administering VMware virtualization environments.
• Experience supporting enterprise backup, recovery, patching, monitoring, and disaster recovery operations.
• Knowledge of DCIM platforms, enterprise monitoring systems, and physical datacenter security technologies.
• Experience using Microsoft enterprise management products and tools.
• Ability to develop scripts using PowerShell, Visual Basic, .NET, C#, or similar scripting languages.
• Strong analytical, troubleshooting, problem-solving, and technical documentation skills.
• Demonstrated ability to lead infrastructure projects and coordinate complex technical activities.
• Excellent written, verbal, customer service, and interpersonal communication skills.
• Ability to work independently with minimal supervision and manage multiple priorities in a deadline-driven environment.
• Experience supporting federal government information technology systems.
• U.S. citizenship required.
• Ability to successfully obtain and maintain all required government background investigations, system access approvals, and security requirements.
• Obtain CompTIA Server+ CE, CompTIA Cloud+ CE, and CompTIA Security+ CE certifications within three months of onboarding and maintain them as required by contract.
• Successfully complete and maintain all Indian Health Service-required training throughout the period of performance.

Nice To Haves

• Bachelor's degree in Information Technology, Computer Science, Engineering, or a related technical discipline.
• Experience supporting Indian Health Service enterprise infrastructure or federal healthcare information technology environments.
• Experience supporting EHR platforms such as Resource and Patient Management System (RPMS), VA VistA, DoD CHCS, or similar federal healthcare systems.
• Familiarity with federal cybersecurity, information assurance, privacy, and operational compliance requirements.
• Experience working within shared services or multi-tenant enterprise datacenter environments.
• Knowledge of ITIL service management principles and practices.
• Experience supporting enterprise storage, virtualization, cloud technologies, automation, and infrastructure optimization initiatives.
• Industry certifications in systems administration, virtualization, cloud technologies, or information security.

Responsibilities

• Administer, maintain, and support enterprise Microsoft Windows and Linux server environments.
• Plan, coordinate, install, test, troubleshoot, and maintain Windows, cloud, and datacenter infrastructure hardware and software supporting EHR systems and applications.
• Perform daily systems administration, including server maintenance, patch management, account administration, system monitoring, configuration management, and issue resolution.
• Provide Tier II/III operational and technical support for escalated infrastructure incidents and mentor lower-tier support personnel.
• Execute enterprise backup, recovery, and disaster recovery procedures for Data Operations Center systems.
• Perform hardware and software upgrades, system configuration, resource allocation, performance tuning, capacity planning, and infrastructure optimization.
• Administer, maintain, and troubleshoot VMware virtualization environments.
• Support Microsoft enterprise management products, enterprise monitoring platforms, and automation frameworks.
• Support physical datacenter operations, including environmental monitoring systems, DCIM applications, and physical security technologies.
• Develop and maintain automation scripts using PowerShell, Visual Basic, .NET, C#, or other scripting languages.
• Lead infrastructure implementation projects, system upgrades, migrations, testing activities, and operational improvement initiatives.
• Coordinate technical activities across departments, customer groups, vendors, and project teams.
• Analyze and resolve highly complex infrastructure issues with minimal supervision.
• Serve as a Subject Matter Expert for enterprise datacenter technologies, infrastructure standards, security requirements, and operational best practices.
• Maintain the confidentiality, integrity, and availability of EHR systems, networks, applications, and data through established security programs, policies, standards, and procedures.
• Ensure compliance with organizational security standards, information assurance requirements, federal regulations, and applicable contract requirements.
• Develop, maintain, and update technical documentation, standard operating procedures, system diagrams, project management documentation, technical reports, operational guides, and configuration records.
• Maintain accurate documentation of incidents, changes, system configurations, maintenance activities, and performance metrics.
• Participate in scheduled maintenance windows, system upgrades, emergency response activities, and on-call support as required.
• Perform other duties as assigned.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Associate degree