Senior Linux Administrator

Location: Atlanta, GA (Hybrid)

Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

We are seeking an experienced Infrastructure Technology Specialist with 6to 9 years of expertise in Linux Administration, specifically RHEL SLES and OEL.

Key Responsibilities

Install, configure, and maintain Linux operating systems (Red Hat, Ubuntu etc.) across physical and virtual servers in on-premises data centres and public cloud platforms (e.g., AWS, Azure, Google Cloud).

Monitor system performance, resource utilization, and network connectivity; proactively identify and resolve issues to ensure high availability and reliability.

Implement and manage system security measures, including user access controls, firewalls, patch management, and vulnerability assessments.

Automate routine system administration tasks using scripting languages (e.g., Bash, Python, Perl) and configuration management tools (e.g., Ansible, Puppet, Chef).

Perform Linux server patching, regular system backups, recovery operations, and disaster recovery planning and testing.

Troubleshoot hardware, software, and network issues; coordinate with vendors and service providers as needed.

Maintain and update system documentation, procedures, and configuration records.

Work collaboratively with application, development, and network teams to support project deployments and infrastructure changes.

Monitor and manage cloud-based resources, including virtual machines, storage, security groups, and networking components.

Stay current with industry trends, best practices, and emerging technologies related to Linux and cloud computing.

Requirement

Possess a strong background in Linux Administration with expertise in RHEL SLES and OEL.

Demonstrate proficiency in scripting languages such as Bash Python or Perl.

Have experience in system monitoring tools and performance tuning.

Show a solid understanding of network protocols and security practices.

Exhibit excellent problem-solving skills and attention to detail.

Display effective communication skills and the ability to work collaboratively in a team environment.

Salary and Other Compensation:

Applications will be accepted until 12/10/2025

The annual salary for this position is between $49,001 – $92,500 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 is 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 contribution

· 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.

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The Cognizant community:
We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.

• Cognizant is a global community with more than 300,000 associates around the world.
• We don’t just dream of a better way – we make it happen.
• We take care of our people, clients, company, communities and climate by doing what’s right.
• We foster an innovative environment where you can build the career path that’s right for you.

About us:
Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World’s Best Employers 2025) is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com

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 CareersNA2@cognizant.com with your request and contact information.

Disclaimer:
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.