Mainframe Administrator

About the role

1touch.io is the market leader in AI-ready data and sensitive data intelligence. We help global enterprises automatically identify, map, and protect sensitive data across structured and unstructured systems. By combining AI, automation, and deep data visibility, we solve the most complex challenges in privacy, security, and governance. This role is end-to-end ownership of the z/OS platform that underpins 1touch.io's data intelligence solutions. This role blends system programming, platform engineering, and advanced operations, with a strong focus on standardization, automation, and recoverability. You will work closely with development teams and customers to ensure a stable, secure, and scalable mainframe environment that supports both internal innovation and external deployments.

Responsibilities

• Own and maintain the z/OS platform, including installation, configuration, and SMP/E maintenance to ensure availability and integrity
• Build and standardize environments using ADCD and z/PDT across DEV, QA, and UAT
• Manage core subsystems (Db2 for z/OS, IMS), including configuration, upgrades, and issue resolution
• Administer key system components including storage (DASD), datasets, and network services (TCP/IP, VTAM, FTP, SSH)
• Design and manage security using RACF, Top Secret, or ACF2, ensuring proper access control and compliance
• Own catalog and alias management, maintaining consistency and resolving allocation and resolution issues
• Design and execute backup, restore, and recovery processes, and troubleshoot system and environment-level issues
• We are primarily an in-office environment and therefore, you will be expected to work from the Prague office in compliance with Everpure's policies, unless you are on PTO, or work travel, or other approved leave.
• WHAT YOU BRING
• Strong hands-on experience with z/OS system programming and SMP/E
• Experience working with ADCD and z/PDT environments
• Expertise in datasets (VSAM, QSAM, PS/E, PDS/E, UNIX) and DASD/storage management
• Experience with External Security Managers (RACF, Top Secret, or ACF2)
• Practical experience with Db2 for z/OS and IMS
• Strong troubleshooting and root-cause analysis skills across system and subsystem layers
• Ability to work cross-functionally with developers and customers to support platform usage and issue resolution
• #LI-ONSITE
• WHAT YOU CAN EXPECT FROM US:
• Innovation : We celebrate those who think critically, like a challenge, and aspire to be trailblazers.
• Growth : We give you the space and support to grow along with us and to contribute to something meaningful. We have been named Fortune's Best Workplaces in Technology™, Fortune's Best Workplaces in the Bay Area™, and certified as a Great Place to Work®!
• Team : We build each other up and set aside ego for the greater good.
• And because we understand the value of bringing your full and best self to work, we offer a variety of perks to manage a healthy balance, including flexible time off, wellness resources, and company-sponsored team events. Check out purebenefits.com for more information.
• ACCOMMODATIONS AND ACCESSIBILITY:
• Candidates with disabilities may request accommodations for all aspects of our hiring process. For more on this, contact us at TA-Ops@purestorage.com if you're invited to an interview.
• OUR COMMITMENT TO A STRONG AND INCLUSIVE TEAM:
• Join us and bring your best.
• Bring your bold.
• Pure and simple.

Benefits

Additional Information

We're in an unbelievably exciting area of tech and are fundamentally reshaping the data storage industry. Here, you lead with innovative thinking, grow along with us, and join the smartest team in the industry. This type of work-work that changes the world-is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us.

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