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Linux Admin SRE Expert

00069906201

Site Reliability Engineer (Linux & Cloud)

Job Summary

We are looking for an experienced Site Reliability Engineer (SRE) with strong expertise in Linux Administration, Cloud Operations, and Production Support. The ideal candidate will be responsible for maintaining the stability, performance, scalability, and availability of mission-critical applications and infrastructure in a 24x7 environment.

This role requires hands-on experience supporting large-scale Linux environments, troubleshooting complex production issues, automating operational tasks, and managing cloud-based platforms.

Key Responsibilities

  • Manage and support highly available production environments running on Linux platforms.
  • Monitor application and infrastructure health, ensuring optimal performance and system availability.
  • Troubleshoot and resolve application, server, network, and cloud-related incidents.
  • Perform root cause analysis (RCA) and implement preventive measures to improve platform reliability.
  • Automate operational and maintenance tasks using scripting tools and frameworks.
  • Work closely with Development, Infrastructure, Security, and Cloud teams to improve system reliability and operational efficiency.
  • Manage deployments, system upgrades, patching activities, and environment maintenance.
  • Implement and support monitoring, alerting, logging, and observability solutions.
  • Support cloud infrastructure and services hosted on Microsoft Azure.
  • Participate in on-call support and incident management processes.

Required Skills

  • Strong hands-on experience in Linux Administration (RHEL/CentOS/Ubuntu).
  • Experience in Site Reliability Engineering, Production Support, Cloud Operations, or Application Support.
  • Good understanding of Linux system internals, performance tuning, patching, and troubleshooting.
  • Hands-on experience with Microsoft Azure Cloud Services.
  • Knowledge of cloud networking, identity management, compute, storage, and monitoring services.
  • Experience with scripting and automation using Python, Shell Scripting, or Bash.
  • Experience working with web servers, APIs, microservices, and distributed systems.
  • Understanding of networking concepts including TCP/IP, DNS, Load Balancers, Firewalls, and SSL/TLS.
  • Experience supporting mission-critical applications in a 24x7 environment.
  • Strong troubleshooting, analytical, and problem-solving skills.

Preferred Skills

  • Experience with monitoring and observability tools such as Dynatrace, Datadog, Splunk, Grafana, ELK, or Prometheus.
  • Exposure to containerization technologies such as Docker and Kubernetes.
  • Knowledge of Infrastructure as Code (IaC) tools like Terraform or ARM templates.
  • Understanding of security and compliance best practices.
  • Experience in BFSI, FinTech, or other highly regulated industries is an added advantage.

Keywords for Job Portals

Site Reliability Engineer, SRE, Linux Administrator, Linux Support Engineer, Cloud Operations Engineer, Azure Administrator, Production Support Engineer, Application Support Engineer, Azure Cloud, Linux, Shell Scripting, Python, Monitoring, Datadog, Splunk, Dynatrace, Kubernetes, Docker, Incident Management, Cloud Support.

Suggested Target Experience

4–8 Years (or as per client requirement)

This version will attract profiles such as:

  • Linux Administrator + Azure Support
  • Production Support Engineer + Cloud
  • SRE Engineer
  • Cloud Operations Engineer
  • Infrastructure Support Engineer
  • Platform Support Engineer

About Cognizant: 
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap 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, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai 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.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

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Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

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Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

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Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

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Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

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Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

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Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

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Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

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Step 4: Decision time

Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.

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I’ve had the chance to work on impactful projects and shadow colleagues, all while getting involved in internal initiatives. The world is your oyster at Cognizant—you just need to take advantage of it!
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