Location: Little Rock, Arkansas (ONSITE, 5 times a week)
Applicants must be authorized to work in the US without sponsorship. Please note, this role is not able to offer visa transfer or sponsorship now or in the future.
Cognizant is seeking a Linux Administrator to join our dynamic team.
What you’ll do in the role:
- 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
What you’ll need to succeed:
- 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.
Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Acerca de Cognizant
Cognizant (Nasdaq: CTSH) es un creador de soluciones de IA y proveedor de servicios tecnológicos que conecta la inversión en IA con el valor empresarial mediante el desarrollo de soluciones de IA full‑stack para sus clientes. Su profundo conocimiento de la industria, junto con su experiencia en procesos e ingeniería, permite incorporar el contexto único de cada organización en sistemas tecnológicos que amplifican el potencial humano, generan resultados tangibles y mantienen a las empresas a la vanguardia en un entorno en constante cambio. Más información en cognizant.ai o @cognizant.
Información adicional sobre el empleo
La información sobre la compensación es exacta en la fecha de publicación de este anuncio. Cognizant se reserva el derecho de modificar esta información en cualquier momento, de conformidad con la legislación aplicable.
Es posible que se solicite a los solicitantes que asistan a entrevistas de forma presencial o mediante videoconferencia. Asimismo, durante cada entrevista, los candidatos podrán estar obligados a presentar un documento de identidad válido emitido por el estado o por el gobierno.
Cognizant es un empleador que ofrece igualdad de oportunidades. Su solicitud y candidatura no se evaluarán en función de la raza, el color, el sexo, la religión, el credo, la orientación sexual, la identidad de género, el origen nacional, la discapacidad, la información genética, el embarazo, la condición de veterano ni cualquier otra característica protegida por las leyes federales, estatales o locales.







