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Senior Linux & UNIX Systems Administrator

KLA

Full time
Experience
10+ years
Location
Chennai
Work mode
Not stated
Salary
₹11L – ₹25L a year estimatetypical for IT Jobs in India, 852 posts
Posted Today

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Role at a glance

You will
  • Enterprise Linux & UNIX Administration
  • Administer, maintain, and support large-scale Linux and UNIX environments including:
  • Red Hat Enterprise Linux (RHEL)
Experience
10+ years
Education
Bachelor's degree
Must-have skills
AnsibleDockerHigh AvailabilityKubernetesLinuxPython

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Job description

Company Overview

KLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. Virtually every electronic device in the world is produced using our technologies. No laptop, smartphone, wearable device, voice-controlled gadget, flexible screen, VR device or smart car would have made it into your hands without us. KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits, packaging, printed circuit boards and flat panel displays. The innovative ideas and devices that are advancing humanity all begin with inspiration, research and development. KLA focuses more than average on innovation and we invest 15% of sales back into R&D. Our expert teams of physicists, engineers, data scientists and problem-solvers work together with the world’s leading technology providers to accelerate the delivery of tomorrow’s electronic devices. Life here is exciting and our teams thrive on tackling really hard problems. There is never a dull moment with us.

Group/Division

The Information Technology (IT) group at KLA is involved in every aspect of the global business. IT’s mission is to enable business growth and productivity by connecting people, process, and technology. It focuses not only on enhancing the technology that enables our business to thrive but also on how employees use and are empowered by technology. This integrated approach to customer service, creativity and technological excellence enables employee productivity, business analytics, and process excellence.

Job Description/Preferred Qualifications

Key Responsibilities

Enterprise Linux & UNIX Administration

  • Administer, maintain, and support large-scale Linux and UNIX environments including:
  • Red Hat Enterprise Linux (RHEL)
  • Oracle Linux
  • Solaris 10/11
  • Ubuntu and other enterprise Linux distributions
Perform OS installation, upgrades, patching, troubleshooting, performance tuning, and capacity planning.Develop automation using shell scripting, Ansible, Python, and other infrastructure automation tools.

ERP & Mission-Critical Application Support

  • Provide infrastructure support for:
  • SAP S/4HANA
  • SAP ECC
  • Oracle ERP and associated applications
  • SAP application and database landscapes
Coordinate with application, database, storage, network, and security teams to ensure high availability and optimal performance.

High Availability & Clustering

  • Design, implement, manage, and troubleshoot:
  • Veritas Cluster Server (VCS)
  • Linux High Availability Clusters
  • Solaris Clustering environments
  • SAP High Availability architectures
Ensure business-critical applications meet availability and recovery objectives.

Kubernetes & Container Platforms

  • Deploy and administer:
  • Kubernetes clusters
  • Container platforms (Docker, Podman)
  • Container orchestration and lifecycle management
Support modernization initiatives involving cloud-native and hybrid infrastructure solutions.

Virtualization & Cloud Infrastructure

  • Manage VMware, Nutanix, Hyper-V, or similar virtualization platforms.
  • Design and support virtualized enterprise workloads.
  • Optimize infrastructure utilization and resource allocation.
  • Support hybrid cloud integration and cloud migration initiatives.

Storage & Data Protection

  • Administer enterprise storage environments including:
  • SAN storage
  • NAS storage
  • NFS/CIFS environments
  • Enterprise backup solutions
Work with storage teams on provisioning, performance optimization, replication, and capacity management.

Disaster Recovery & Replication

  • Design and maintain enterprise DR strategies supporting critical workloads.
  • Implement and manage:
  • Storage replication technologies
  • VMware SRM
  • Database replication
  • DR automation and orchestration
Conduct DR testing and recovery validation exercises.Ensure compliance with RTO and RPO requirements.

Security & Infrastructure Compliance

  • Secure Linux and UNIX environments following industry best practices.
  • Conduct security assessments, vulnerability reviews, and compliance audits.
  • Identify infrastructure security gaps and drive remediation activities.
  • Implement hardening standards, CIS benchmarks, and security controls.
  • Collaborate with Cyber Security teams on risk mitigation and compliance initiatives.

Vulnerability Management & Patching

  • Own enterprise Linux/UNIX patching programs.
  • Coordinate vulnerability scanning and remediation activities.
  • Ensure timely resolution of critical and high-risk findings.
  • Maintain patch compliance and security reporting metrics.

Infrastructure Solution Design

  • Lead architecture and infrastructure design initiatives.
  • Develop scalable, resilient, and secure solutions supporting enterprise workloads.
  • Create technical designs, implementation plans, and operational documentation.
  • Participate in technology evaluation, proof-of-concepts, and platform selection.

Hardware & Data Center Infrastructure

  • Manage enterprise server hardware platforms including:
  • Dell PowerEdge
  • HPE ProLiant
  • Cisco UCS
  • Oracle SPARC
  • Lead hardware lifecycle management, upgrades, firmware updates, and refresh programs.
Coordinate with vendors for troubleshooting and support escalations.

Technical Skills

  • Linux Administration (RHEL, Oracle Linux, Ubuntu)
  • Solaris 10/11 Administration
  • SAP S/4HANA Infrastructure
  • Oracle Enterprise Platforms
  • Veritas Cluster Server (VCS)
  • Linux High Availability Clustering
  • VMware / Nutanix / Hyper-V
  • Kubernetes and Docker
  • NAS and SAN Storage
  • NFS, CIFS, Multipathing
  • Disaster Recovery and Replication Technologies
  • Vulnerability Management Tools
  • Infrastructure Automation (Ansible, Python, Shell Scripting)
  • Monitoring and Observability Platforms
  • Enterprise Backup and Recovery Solutions

Preferred Certifications

  • Red Hat Certified Engineer (RHCE)
  • Red Hat Certified Architect (RHCA)
  • Oracle Linux Certification
  • Solaris Administration Certification
  • VMware VCP
  • Kubernetes CKA/CKAD

Minimum Qualifications

Required Qualifications

Education

  • Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
  • Master's degree preferred.

Experience

  • 10+ years of Linux/UNIX Administration experience in large global enterprise environments.
  • 5+ years supporting SAP S/4HANA, SAP ECC, Oracle ERP, or similar enterprise platforms.
  • Proven experience supporting global 24x7 production environments.

We offer a competitive, family friendly total rewards package. We design our programs to reflect our commitment to an inclusive environment, while ensuring we provide benefits that meet the diverse needs of our employees.

KLA is proud to be an equal opportunity employer

Be aware of potentially fraudulent job postings or suspicious recruiting activity by persons that are currently posing as KLA employees. KLA never asks for any financial compensation to be considered for an interview, to become an employee, or for equipment. Further, KLA does not work with any recruiters or third parties who charge such fees either directly or on behalf of KLA. Please ensure that you have searched KLA’s Careers website for legitimate job postings. KLA follows a recruiting process that involves multiple interviews in person or on video conferencing with our hiring managers. If you are concerned that a communication, an interview, an offer of employment, or that an employee is not legitimate, please send an email to talent.acquisition@kla.com to confirm the person you are communicating with is an employee. We take your privacy very seriously and confidentially handle your information.

Key skills

Required

AnsibleDockerHigh AvailabilityKubernetesLinuxPythonSAPSAP S/4HANAShell ScriptingVulnerability Management

Job market insights

24active Ansible jobs in Chennai
69active Docker jobs in Chennai
12active High Availability jobs in Chennai
₹11L – ₹25L advertised yearly salary for IT Jobs in India (middle half of 852 posts that show a salary; median ₹17L)
5 more open jobs at KLA

Most IT Jobs posts in Chennai ask for 3–6 years of experience (44% of 548 that say).

Hiring most for IT Jobs in Chennai

  • Kyndryl28 open jobs
  • Cognizant25 open jobs
  • Extreme Networks17 open jobs

Jobs asking for Ansible in Chennai also ask for

  • Python79%
  • AWS54%
  • Kubernetes54%
  • Microsoft Azure54%
  • CI/CD46%

From live job posts on CoreHRx, updated 9 Nov 2026. Skill figures count posts that list their skills; salary figures only posts that show a salary.

Questions about this job

What is the salary for this Senior Linux & UNIX Systems Administrator job?

The post does not state the pay. As an estimate, comparable posts on CoreHRx advertise ₹11L – ₹25L a year (typical for IT Jobs in India, 852 posts).

How much experience does this job need?

The post asks for 10 Yrs experience.

Where is this job based?

In Chennai.

What kind of job is this?

It is a full time job.

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