Senior Systems Administrator III

Deploys, sustains, and troubleshoots server operating systems and related infrastructure. Manages day-to-day system integrity, security, and availability. Performs backups, monitoring, and capacity analysis while maintaining security posture. Creates documentation for operational upkeep and performs maintenance upgrades. Assists in evaluating infrastructure hardware/software. Level III handles complex tasks independently and may supervise others., * Install, configure, and maintain server operating systems and related infrastructure software/hardware.

• Ensure integrity, security, and availability of infrastructure platforms.
• Perform regular system backups and monitor system performance.
• Conduct performance monitoring and capacity planning for infrastructure systems.
• Maintain and enhance the security posture of infrastructure systems.
• Develop standard operating procedures, maintenance guides, and knowledge base articles for infrastructure upkeep.
• Perform necessary infrastructure platform upgrades to maintain security and operational effectiveness.
• Support architecture and engineering teams in evaluating, recommending, and testing infrastructure hardware/software products.
• Handle more complex tasks independently and provide guidance to others when required.
• Performs other job-related duties as assigned.

• Bachelor’s degree and/or equivalency.
• Six (6) years of progressive experience demonstrating the required proficiency.
• Commercial Certificates for DoD 8570.01-M certificate requirement, Professional level certification for supported technology.
• Proficient in managing server operating systems and infrastructure platforms.
• Skilled in diagnosing and resolving system issues related to infrastructure.
• Ability to analyze system performance and identify areas for improvement.
• Experience in maintaining and enhancing infrastructure security.
• Expertise in creating clear and comprehensive procedural and maintenance documentation.
• Ability to assess system capacity and recommend necessary adjustments.
• Skilled in assisting with the evaluation and testing of infrastructure hardware/software.
• Capable of handling complex issues with minimal supervision.
• Proficient in using hands/fingers for handling, typing, and operating equipment.
• Ability to sit for extended periods and occasionally walk or stand.
• Strong ability to see up close, at a distance, and along the periphery with depth perception and focus adjustment.
• Capable of hearing and responding to spoken communication.
• Ability to effectively talk and interact with others in various settings.
• Comfortable working in a diverse office environment with varying personalities and functional roles.
• Ability to manage multiple tasks simultaneously in a fast-paced office setting.
• Capable of working with a wide variety of people with different expertise and abilities.
• Must pass pre-employment qualifications of Cherokee Federal.

Estimated Starting Salary Range for Senior Systems Administrator III: Pay commensurate with experience.

Pay commensurate with experience.

Full time benefits include Medical, Dental, Vision, 401K, and other possible benefits as provided. Benefits are subject to change with or without notice.

Cherokee Nation Integrated Health (CNIH) is a part of Cherokee Federal - the division of tribally owned federal contracting companies owned by Cherokee Nation Businesses. As a trusted partner for more than 60 federal clients, Cherokee Federal LLCs are focused on building a brighter future, solving complex challenges, and serving the government’s mission with compassion and heart. To learn more about CNIH, visit cherokee-federal.com.