Linux Aix System Administrator Jobs (NOW HIRING)

Job Summary:
Cognizant is seeking a Linux Administrator to join their dynamic team in Little Rock, Arkansas. The role involves designing robust infrastructure architectures for Linux environments and optimizing operating system performance while collaborating with application and database teams to meet business needs.
Responsibilities:
• Design robust infrastructure architectures for Linux environments including RHEL and OEL to support mission critical enterprise applications with high reliability and predictable performance
• Develop scalable AIX infrastructure solutions that align with organizational standards ensuring efficient utilization of compute storage and network resources for core business platforms
• Implement standardized system configurations for Linux and AIX servers to ensure consistent security hardening capacity planning and lifecycle management across multiple environments
• Optimize operating system performance by tuning kernel parameters managing resource allocations and refining system services to improve throughput and stability for production workloads
• Coordinate with application and database teams to define infrastructure requirements translating business needs into practical system designs that support future growth and technology evolution
• Establish monitoring baselines for Linux and AIX systems by configuring metrics alerts and dashboards that proactively identify incidents and enable rapid remediation before customer impact
• Create and maintain infrastructure documentation including high level designs low level designs and operational runbooks to provide clarity for operations teams and ensure repeatable processes
• Drive incident and problem analysis for infrastructure issues by reviewing system logs conducting root cause reviews and recommending durable corrective actions that prevent recurring disruptions
• Integrate enterprise backup and recovery solutions for Linux and AIX instances to protect critical data and ensure reliable restoration capabilities in alignment with recovery time and recovery point expectations
• Collaborate with security and compliance stakeholders to apply security configurations manage patches and support audits ensuring that infrastructure designs meet regulatory requirements for cards and payments ecosystems when applicable
• Support infrastructure transition and transformation activities such as system migrations upgrades and consolidation by planning required tasks coordinating with stakeholders and validating successful execution in test and production landscapes
• Engage with global teams in a hybrid work model by participating in design workshops status reviews and technical discussions to ensure transparency shared understanding and smooth delivery of infrastructure changes
• Provide technical guidance to operations personnel by explaining infrastructure design decisions clarifying configuration standards and mentoring colleagues on best practices for administering Linux and AIX environments
Qualifications:
Required:
• Applicants must be authorized to work in the US without sponsorship.
• Design robust infrastructure architectures for Linux environments including RHEL and OEL to support mission critical enterprise applications with high reliability and predictable performance.
• Develop scalable AIX infrastructure solutions that align with organizational standards ensuring efficient utilization of compute storage and network resources for core business platforms.
• Implement standardized system configurations for Linux and AIX servers to ensure consistent security hardening capacity planning and lifecycle management across multiple environments.
• Optimize operating system performance by tuning kernel parameters managing resource allocations and refining system services to improve throughput and stability for production workloads.
• Coordinate with application and database teams to define infrastructure requirements translating business needs into practical system designs that support future growth and technology evolution.
• Establish monitoring baselines for Linux and AIX systems by configuring metrics alerts and dashboards that proactively identify incidents and enable rapid remediation before customer impact.
• Create and maintain infrastructure documentation including high level designs low level designs and operational runbooks to provide clarity for operations teams and ensure repeatable processes.
• Drive incident and problem analysis for infrastructure issues by reviewing system logs conducting root cause reviews and recommending durable corrective actions that prevent recurring disruptions.
• Integrate enterprise backup and recovery solutions for Linux and AIX instances to protect critical data and ensure reliable restoration capabilities in alignment with recovery time and recovery point expectations.
• Collaborate with security and compliance stakeholders to apply security configurations manage patches and support audits ensuring that infrastructure designs meet regulatory requirements for cards and payments ecosystems when applicable.
• Support infrastructure transition and transformation activities such as system migrations upgrades and consolidation by planning required tasks coordinating with stakeholders and validating successful execution in test and production landscapes.
• Engage with global teams in a hybrid work model by participating in design workshops status reviews and technical discussions to ensure transparency shared understanding and smooth delivery of infrastructure changes.
• Provide technical guidance to operations personnel by explaining infrastructure design decisions clarifying configuration standards and mentoring colleagues on best practices for administering Linux and AIX environments.
• Advanced experience with Linux, ESX administration.
• Data center operations resource in Little Rock (hands on support requirement).
• Experience supporting Red Hat Enterprise Linux and VMWare vSphere 8 Enterprise, BoKS, Centrify/Delinea, AIX.
Company:
Cognizant is a professional services company that helps clients alter their business, operating, and technology models for the digital era. Founded in 1994, the company is headquartered in Teaneck, USA, with a team of 10001+ employees. The company is currently Late Stage.