About the group:
Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about accepting digital transformation by driving core modernization holistically across layers. We help customers transform infrastructure and workplace to meet the constantly evolving needs of the digital era. Our broad approach delivers key results for our customers by achieving cloud driven modernization and workplace and operational transformation to own the business in a secure environment.
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
Role Title: Linux Administrator
Location: Remote
Mandatory skills: Redhat, Linux, AIX administration
Job Summary
Infra Technology Specialist with expertise in Linux administration across RHEL SLES and OEL along with strong AIX administration experience. Role focuses on designing operating and optimizing secure enterprise infrastructure in a hybrid work model. Exposure to cards and payments domain is preferred for supporting critical transaction systems in a stable and compliant way.
Responsibilities
• Manage complex Linux environments on RHEL SLES and OEL to ensure high availability security and consistent performance for enterprise workloads.
• Administer AIX systems including user management resource tuning and patching to maintain robust and resilient compute platforms.
• Implement standard build templates system hardening guidelines and configuration baselines to support compliant infrastructure operations.
• Monitor system health using enterprise tools analyze performance trends and apply corrective actions to prevent service disruptions.
• Coordinate planned maintenance patching and firmware updates during day shifts to minimize business impact for global stakeholders.
• Troubleshoot incidents across Linux and AIX platforms by performing detailed root cause analysis and documenting permanent fixes to reduce repeat issues.
• Collaborate with application database and network teams in a hybrid work model to plan capacity optimize resource utilization and support release activities.
• Automate routine administration tasks such as user provisioning backup checks and log reviews using scripts to improve operational efficiency.
• Align infrastructure solutions with security and compliance standards relevant to cards and payments where applicable including strict access and audit practices.
• Prepare and maintain runbooks standard operating procedures and configuration records to enable consistent and transparent operations.
• Engage with stakeholders to understand infrastructure requirements propose technically sound solutions and communicate realistic implementation timelines.
• Support business continuity and disaster recovery readiness by validating backup strategies participating in recovery drills and refining recovery procedures.
• Contribute to continuous improvement by identifying optimization opportunities sharing technical knowledge and mentoring peers on Linux and AIX best practices.
Qualifications
• Demonstrate six to ten years of hands on experience in Linux administration covering RHEL SLES and OEL with strong skills in installation configuration and lifecycle management.
• Exhibit solid experience in AIX administration including LPAR management storage integration and performance tuning in enterprise environments.
• Apply working knowledge of shell scripting or similar scripting approaches to automate operational tasks and enhance reliability.
• Show familiarity with infrastructure monitoring ticketing tools and IT service management practices to manage incidents and changes effectively.
• Display understanding of security hardening patch management and access control concepts for systems that may support cards and payments processing.
• Possess exposure to the cards and payments domain such as authorization flows or settlement operations which is considered a beneficial skill.
• Operate effectively in a hybrid work model communicating clearly with distributed teams and managing priorities without supervision.
Salary and Other Compensation:
Applications will be accepted until 5/22/2026
The annual salary for this position is between $75,000- $90,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
Benefits: 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
· Employee Stock Purchase Plan
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.
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.
Additional employment information
Compensation 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.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.
