Cognizant

Linux Administrator

Cognizant$75K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of advanced experience with Linux and ESX administration
  • Hands-on support requirement in Little Rock
  • Experience supporting Red Hat Enterprise Linux and VMware vSphere 8
  • Knowledge of BoKS, Centrify/Delinea, and AIX systems
  • Strong foundation in data center operations and infrastructure solutions

Responsibilities

  • Design infrastructure architectures for Linux environments to ensure high reliability
  • Develop scalable AIX solutions aligned with organizational standards
  • Implement standardized configurations for Linux and AIX servers
  • Optimize operating system performance for production workloads
  • Establish monitoring baselines and manage incident response
  • Create and maintain comprehensive infrastructure documentation
  • Provide technical guidance and mentoring to operations personnel

Benefits

  • Medical, Dental, Vision, and Life Insurance
  • Paid holidays and Paid Time Off
  • 401(k) plan with contributions
  • Long-term and Short-term Disability
  • Paid Parental Leave
Full Job Description
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.

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.

About Cognizant

TriZetto is Powering Integrated Healthcare Management. With technology solutions touching more than half the U.S. population today, TriZetto is uniquely positioned to drive the convergence of core benefit administration, care management and constituent engagement. TriZetto provides premier information technology solutions that enable payers and other constituents in the healthcare supply chain to improve the coordination of benefits and care for healthcare consumers.

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Learn more about Cognizant
Size
340,400 employees
Market Cap
$28.7 billion
Industry
Net Income
$1.3 billion
Founded
1994
5 Year Trend
+6.5%
Revenue
$16.6 billion
NASDAQ

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