Senior Linux & UNIX Systems Administrator

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 worlds leading technology providers to accelerate the delivery of tomorrows electronic devices. Life here is exciting and our teams thrive on tackling really hard problems. There is never a dull moment with us.

The Information Technology (IT) group at KLA is involved in every aspect of the global business. ITs 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

• Bachelors degree in Computer Science Information Technology Engineering or related field.
• Masters 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

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