System Administrator III

JOB SUMMARY

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). This position serves as a senior technical resource responsible for maintaining the availability, confidentiality, integrity, security, and performance of enterprise systems across Microsoft Windows, Linux, VMware, cloud, and supporting datacenter technologies.

The Information Technology Specialist III / System Administrator III functions as a Subject Matter Expert (SME) for Shared Services Enterprise Datacenter operations. The position 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 efforts. The ideal candidate possesses strong systems administration experience, advanced troubleshooting capabilities, and the ability to independently manage complex technical projects while maintaining operational excellence and customer satisfaction.

KEY 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 activities, 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 (DOC) 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, Data Center Infrastructure Management (DCIM) applications, and industry-standard physical security technologies.
• Develop and maintain automation scripts using PowerShell, Visual Basic, .NET, C#, or other scripting languages to improve operational efficiency and consistency.
• Lead infrastructure implementation projects, system upgrades, migrations, testing activities, and operational improvement initiatives.
• Coordinate technical activities across multiple 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 information 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.

REQUIRED QUALIFICATIONS

• 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.
• Minimum of five (5) years of progressively responsible information technology experience, including at least three (3) 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.
• Must have the ability to successfully obtain and maintain all required government background investigations, system access approvals, and security requirements.

REQUIRED CERTIFICATIONS AND TRAINING

In accordance with contract requirements, employees assigned to this position must obtain the following certifications within three (3) months of onboarding and maintain them as required:

• CompTIA Server+ CE
• CompTIA Cloud+ CE
• CompTIA Security+ CE

Employees must also successfully complete and maintain all Indian Health Service (IHS)-required training throughout the period of performance.

PREFERRED QUALIFICATIONS

• 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.

PHYSICAL DEMANDS – IT OFFICE/TECHNICAL ROLE

The physical demands described here are representative of those that must be met by an employee, with or without reasonable accommodation.

This role is primarily office-based and requires prolonged computer use, including sitting, typing, and operating standard office equipment. Occasional walking, standing, bending, and reaching may be required to support equipment setup and troubleshooting. The employee must be able to lift up to 15 pounds, with occasional heavier lifting when assistance or appropriate equipment is available.

The employee must be able to communicate effectively and maintain sufficient visual acuity, including close, distance, color, and depth perception, to work with computer equipment and technical documentation. Occasional travel and extended hours may be required to support operational needs, maintenance activities, and deadlines.

WORK ENVIRONMENT

Work is primarily performed in a professional office and enterprise datacenter environment. The position may require after-hours support, scheduled maintenance windows, emergency response activities, and participation in an on-call rotation to support mission-critical systems. Employees must adhere to all organizational safety, physical security, cybersecurity, privacy, and information assurance policies.

EQUAL EMPLOYMENT OPPORTUNITY

Quivera Enterprises, LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

As a tribally owned enterprise, Quivera Enterprises is committed to fostering a diverse and inclusive workforce while supporting the mission and economic development goals of the Wichita and Affiliated Tribes.

Dream. Grow. Thrive.