Senior Linux & UNIX Systems Administrator

KLA-Belgium; Chennai District; On-site; INR 3,500,000 - 5,500,000; Full time

Job summary

KLA is a global leader in semiconductor manufacturing solutions. The Information Technology group seeks a senior Linux/UNIX administrator with experience supporting SAP S/4HANA, SAP ECC, and Oracle ERP in large, 24x7 environments.

The role covers clustering, virtualization, storage, DR, and security across on-premise and hybrid infrastructure. Responsibilities include deploying Kubernetes and container platforms, automating with Ansible/Python, and partnering with global teams to ensure high

Qualifications

• Bachelor's degree in CS/IT/Engineering or related field.
• Experience 10+ years in Linux/UNIX administration in large global environments.
• 5+ years supporting SAP S/4HANA, SAP ECC, Oracle ERP, or similar enterprise platforms.
• Proven experience supporting 24x7 production environments.

Responsibilities

• Enterprise Linux & UNIX Administration including RHEL, Oracle Linux, Solaris, Ubuntu.
• ERP & Mission-Critical Application Support for SAP S/4HANA, SAP ECC, Oracle ERP.
• Design, implement, and manage High Availability and Clustering.
• Kubernetes & container platform deployments and maintenance.
• Virtualization & Cloud Infrastructure using VMware, Nutanix, Hyper-V.
• Storage & data protection across SAN/NAS/NFS environments.
• Disaster Recovery, replication, and DR testing.
• Security & compliance reviews and patching programs.
• Infrastructure solution design and documentation.
• Hardware & data center infrastructure lifecycle management.

Skills

Linux Administration

SAP S/4HANA

SAP ECC

Oracle ERP

Clustering & High Availability

Kubernetes

Docker

Ansible

Python

Shell Scripting

Education

Bachelor's degree in Computer Science / IT / Engineering

Master's degree preferred

Tools

VMware

Nutanix

Hyper-V

Kubernetes

Docker

Ansible

Job description

Company OverviewKLA 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/DivisionThe 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 QualificationsKey ResponsibilitiesEnterprise Linux & UNIX AdministrationAdminister, maintain, and support large-scale Linux and UNIX environments including:Red Hat Enterprise Linux (RHEL)Oracle LinuxSolaris 10/11Ubuntu and other enterprise Linux distributionsPerform 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 SupportProvide infrastructure support for:SAP S/4HANASAP ECCOracle ERP and associated applicationsSAP application and database landscapesCoordinate with application, database, storage, network, and security teams to ensure high availability and optimal performance.High Availability & ClusteringDesign, implement, manage, and troubleshoot:Veritas Cluster Server (VCS)Linux High Availability ClustersSolaris Clustering environmentsSAP High Availability architecturesEnsure business-critical applications meet availability and recovery objectives.Kubernetes & Container PlatformsDeploy and administer:Kubernetes clustersContainer platforms (Docker, Podman)Container orchestration and lifecycle managementSupport modernization initiatives involving cloud-native and hybrid infrastructure solutions.Virtualization & Cloud InfrastructureManage 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 ProtectionAdminister enterprise storage environments including:SAN storageNAS storageNFS/CIFS environmentsEnterprise backup solutionsWork with storage teams on provisioning, performance optimization, replication, and capacity management.Disaster Recovery & ReplicationDesign and maintain enterprise DR strategies supporting critical workloads.Implement and manage:Storage replication technologiesVMware SRMDatabase replicationDR automation and orchestrationConduct DR testing and recovery validation exercises.Ensure compliance with RTO and RPO requirements.Security & Infrastructure ComplianceSecure 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 & PatchingOwn 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 DesignLead 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 InfrastructureManage enterprise server hardware platforms including:Dell PowerEdgeHPE ProLiantCisco UCSOracle SPARCLead hardware lifecycle management, upgrades, firmware updates, and refresh programs.Coordinate with vendors for troubleshooting and support escalations.Technical SkillsLinux Administration (RHEL, Oracle Linux, Ubuntu)Solaris 10/11 AdministrationSAP S/4HANA InfrastructureOracle Enterprise PlatformsVeritas Cluster Server (VCS)Linux High Availability ClusteringVMware / Nutanix / Hyper-VKubernetes and DockerNAS and SAN StorageNFS, CIFS, MultipathingDisaster Recovery and Replication TechnologiesVulnerability Management ToolsInfrastructure Automation (Ansible, Python, Shell Scripting)Monitoring and Observability PlatformsEnterprise Backup and Recovery SolutionsPreferred CertificationsRed Hat Certified Engineer (RHCE)Red Hat Certified Architect (RHCA)Oracle Linux CertificationSolaris Administration CertificationVMware VCPKubernetes CKA/CKADMinimum QualificationsRequired QualificationsEducationBachelor's degree in Computer Science, Information Technology, Engineering, or related field.Master's degree preferred.Experience10+ 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 employerBe 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 [e-mail] to confirm the person you are communicating with is an employee. We take your privacy very seriously and confidentially handle your information.