Talent.com
Senior Infrastructure Specialist
Senior Infrastructure SpecialistOracle • Bengaluru, Republic Of India, IN
Senior Infrastructure Specialist

Senior Infrastructure Specialist

Oracle • Bengaluru, Republic Of India, IN
3 hours ago
Job description

Oracle is looking for a Principal Site Reliability Engineer with expertise in IBM Mainframe, zLinux, DB2, zVM, and AIX. The role involves improving performance and reliability, managing complex configurations, solving cross-team operational issues, and collaborating with engineering and development teams to support Oracle’s IBM Z–based environments.

Location : Bangalore & Hyderabad

Job description :

Oracle is seeking motivated Principal Site Reliability Engineer who thrives in a fast-paced rapidly evolving technology environment. This position requires wide and overall knowledge in Mainframe zLinux, DB2, zVM, AIX. Site Reliability Engineer expected to work with multiple service and product development teams, identifying cross-team issues that create risk for operations across the organization and resolving those issues with a mixture of engineering, development, troubleshooting expertise, and general operational guidance. This role also requires excellent communication and organizational skills. The candidate is expected to collaborate with service owners, other engineers and developers to deliver a superior support experience to development community.

Principal Site Reliability Engineer provides support for development and testing across multiple IBM Z servers running multiple operating systems with associated software. This position will be responsible for creating and implementing system enhancements to the IBM Z (mainframe) environments that will improve the performance and reliability for the environment. The role requires managing the disparate workloads of multiple IBM Z servers in complex configurations. Extensive problem solving across all aspects of the IBM Z configurations including analysis of development generated issues and problems.

Responsibilities : IBM Z Systems

  • Administer and operate IBM Z Hardware Management Console (HMC).
  • Configure and maintain IBM Z I / O subsystem definitions (IOCDS).
  • Manage network interfaces connecting IBM Z systems to Oracle networks and operating environments.
  • Administer IBM HMC for DS8000 disk storage systems.

z / OS Platform

  • Install, configure, and maintain z / OS using SMP / E and z / OSMF tools.
  • Design and implement Sysplex environments in both LPAR and z / VM virtualized setups for DB2 workloads.
  • Manage enterprise storage using DFSMS.
  • Enforce and maintain system security through RACF administration.
  • Configure and maintain network communication using VTAM and Comm Server.
  • Administer and support Unix System Services (USS) within z / OS.
  • z / OS Software Stack

  • Install, upgrade, and manage key middleware components including DB2, CICS TS, and IMS using SMP / E.
  • z / VM for Linux Environments

  • Install, configure, and maintain z / VM systems.
  • Manage multiple Single System Image (SSI) clusters for high availability.
  • Administer and maintain DIRMAINT within each SSI cluster.
  • Configure and support z / VM networking infrastructure.
  • Monitor and optimize performance using Performance Toolkit and related monitoring tools.
  • z / VM for z / OS Guests

  • Provide operational support for multiple z / OS guest systems running under z / VM.
  • Maintain and manage base directories using a clustered approach.
  • Configure and manage shared disk environments across z / VM systems.
  • Utilize EREP for error reporting and system reliability tracking.
  • Develop and maintain automation scripts using REXX for directory and system management.
  • Leverage CMS PIPES for data processing and automation tasks.
  • Monitor performance and capacity with Performance Toolkit and related utilities.
  • Linux on IBM Z

  • Deploy and manage SLES and RHEL Linux hosts running under z / VM.
  • Configure z / VM interfaces for virtual disk and network integration.
  • Collaborate with development teams in defining and implementing improvements in service architecture.
  • Act as escalation point for critical issues that may not have a documented procedure and provide Root Cause Analysis
  • Understand the end-to-end configuration, technical dependencies, characteristics of development infrastructure.
  • Design and delivery of mission critical automation, with focus on security, resiliency, scale, and performance.
  • Author functional and technical documentation and standard operating producers (SOP)
  • Knowledge Skills

  • 6 - 10 years of experience in IBM Z Systems, z / OS Platform and z / VM
  • Experience in debugging operating system performance issues and performance tuning
  • Expertise in developing scripts, utilities and tools to automate routine or manual intensive tasks.
  • Experience in operations and problem management
  • Experience working with fault tolerant, highly available, high throughput, distributed and scalable systems.
  • Experience of working with global teams across different time zones.
  • Aptitude to be a good team player and the desire to learn and implement new technologies as needed
  • Excellent organizational, verbal, and written communication skills
  • Create a job alert for this search

    Infrastructure Specialist • Bengaluru, Republic Of India, IN

    Related jobs
    Senior Infrastructure Engineer

    Senior Infrastructure Engineer

    Albertsons Companies India • Bengaluru, Republic Of India, IN
    About Albertsons Companies Inc.As a leading food and drug retailer in the United States, Albertsons Companies, Inc.Our well-known banners across the United States, including Albertsons, Safeway, Vo...Show more
    Last updated: 21 days ago • Promoted
    Lead Infrastructure Engineer

    Lead Infrastructure Engineer

    Recro • Bengaluru, Republic Of India, IN
    Job Title : Senior IT Systems Engineer.Experience Required : Minimum 7+ years.Bachelor’s degree in a related field and / or relevant certifications (preferred). We are looking for a Senior IT Systems En...Show more
    Last updated: 3 hours ago • Promoted • New!
    Senior Ai Platform & Infrastructure Engineer

    Senior Ai Platform & Infrastructure Engineer

    Norwin Technologies • Bengaluru, Republic Of India, IN
    Title : Senior AI Platform & Infrastructure Engineer.Were looking for an experienced Infrastructure Engineer with a strong background in Kubernetes (K8s), GPU-based workloads, and scaling large dist...Show more
    Last updated: 3 days ago • Promoted
    Senior Engineer Infrastructure T500-21188

    Senior Engineer Infrastructure T500-21188

    Albertsons Companies India • Bengaluru, Republic Of India, IN
    About Albertsons Companies Inc.As a leading food and drug retailer in the United States, Albertsons Companies, Inc.Our well-known banners across the United States, including Albertsons, Safeway, Vo...Show more
    Last updated: 21 days ago • Promoted
    Lead Infrastructure Solutions Engineer

    Lead Infrastructure Solutions Engineer

    Albertsons Companies India • Bengaluru, Republic Of India, IN
    About Albertsons Companies Inc.As a leading food and drug retailer in the United States, Albertsons Companies, Inc.Our well-known banners across the United States, including Albertsons, Safeway, Vo...Show more
    Last updated: 14 days ago • Promoted
    Senior IT Infrastructure Engineer

    Senior IT Infrastructure Engineer

    Chargebee • Greater Bengaluru Area, India
    As a Senior IT Infrastructure Engineer on Chargebee’s Corporate IT Services team, you will be the technical owner for our employee‑facing SaaS stack—including Google Workspace, Okta, Slack, Jamf, J...Show more
    Last updated: 3 days ago • Promoted
    Senior Engineer Infrastructure [T500-21188]

    Senior Engineer Infrastructure [T500-21188]

    Albertsons Companies India • Bengaluru, Karnataka, India
    About Albertsons Companies Inc.As a leading food and drug retailer in the United States, Albertsons Companies, Inc.Our well-known banners across the United States, including Albertsons, Safeway, Vo...Show more
    Last updated: 21 days ago • Promoted
    Senior Infrastructure Engineer

    Senior Infrastructure Engineer

    Lowe's India • Bengaluru, Karnataka, India
    Lowe’s is a FORTUNE® 100 home improvement company serving approximately 16 million customer transactions a week in the United States. With total fiscal year 2024 sales of more than $83 billion, Lowe...Show more
    Last updated: 30+ days ago • Promoted
    Infrastructure Lead

    Infrastructure Lead

    Input Zero Technologies • Bengaluru, Karnataka, India
    To excel in this role, you should possess the following : .Strong expertise in IT infrastructure design, deployment, and administration. Hands-on experience with servers, networks, cloud platforms, an...Show more
    Last updated: 4 hours ago • Promoted • New!
    Senior AI Platform & Infrastructure Engineer

    Senior AI Platform & Infrastructure Engineer

    Norwin Technologies • Bengaluru, Karnataka, India
    Title : Senior AI Platform & Infrastructure Engineer.Were looking for an experienced Infrastructure Engineer with a strong background in Kubernetes (K8s), GPU-based workloads, and scaling large dist...Show more
    Last updated: 3 days ago • Promoted
    Cloud Infrastructure Engineer

    Cloud Infrastructure Engineer

    Odessa • Greater Bengaluru Area, India
    Responsible for monitoring, providing support, and troubleshooting all Azure deployment.Provide technical support for critical server environment including server deployment, migrations, upgrades, ...Show more
    Last updated: 3 days ago • Promoted
    Network Infrastructure Specialist

    Network Infrastructure Specialist

    Tata Consultancy Services • Bengaluru, Republic Of India, IN
    TCS is Hiring Network Admin For Bangalore location.Please apply only if you are available for a In-person interview at TCS Bangalore on 8th November 2025 (Saturday). Undertake / Oversee complex networ...Show more
    Last updated: 30+ days ago • Promoted
    Principal Infrastructure Engineer

    Principal Infrastructure Engineer

    Input Zero Technologies • Bengaluru, Republic Of India, IN
    To excel in this role, you should possess the following : .Strong expertise in IT infrastructure design, deployment, and administration. Hands-on experience with servers, networks, cloud platforms, an...Show more
    Last updated: 3 hours ago • Promoted • New!
    Azure Cloud Infrastructure Specialist

    Azure Cloud Infrastructure Specialist

    KPI Partners • Bengaluru, Republic Of India, IN
    KPI Partners is seeking an experienced Azure Cloud Engineer with a strong background in Terraform and Kubernetes to join our dynamic team. The ideal candidate will have a passion for cloud technolog...Show more
    Last updated: 13 hours ago • Promoted • New!
    Infrastructure Specialist

    Infrastructure Specialist

    Mastech Digital • Bangalore, IN
    Azure Infra, GitHub Actions, Bicep + Dot Net is Plus (Not mandatory).Months (high possible extension).Only immediate joiners / Serving notice with less than 40 days / Notice is less than 30 days.Have...Show more
    Last updated: 4 hours ago • Promoted • New!
    Manager / Senior Manager - Cloud Infrastructure & Operations

    Manager / Senior Manager - Cloud Infrastructure & Operations

    Birla Institute of Technology and Science, Pilani • Bengaluru, Karnataka, India
    This role will be instrumental in ensuring our academic institution’s IT infrastructure is secure, scalable, cost-effective, and aligned with our mission to support education and research excellenc...Show more
    Last updated: 30+ days ago • Promoted
    Cloud Infrastructure Specialist

    Cloud Infrastructure Specialist

    Nemetschek Group • Bengaluru, Republic Of India, IN
    YOUR ROLE : A chance to make the difference.We are seeking a skilled Cloud Engineer with hands-on experience in Terraform and Amazon. Web Services (AWS) to join our growing team.The ideal candidate w...Show more
    Last updated: 3 hours ago • Promoted • New!
    SAP System Infrastructure Specialist

    SAP System Infrastructure Specialist

    Tata Consultancy Services • Bengaluru, Republic Of India, IN
    Greetings from TATA Consultancy Services!!.Thank you for expressing your interest in exploring a career possibility with the TCS Family. Hiring For : SAP Basis Consultant.Mode Of Interview : Virtual I...Show more
    Last updated: 30+ days ago • Promoted