Senior Systems Administrator

External

Unisys · Remote

Full-timeRemote1d ago

DocumentationTCP/IP

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Benefits

Unisys offers an outstanding benefits package, featuring unlimited paid time off, a 401(k) match, comprehensive healthcare, HSA matching, ongoing learning opportunities, and more! We're committed to supporting work-life balance and investing in your future success.Video InterviewAt Unisys, we incorporate video interviews as a key part of our hiring process. This allows us to get to know you better and provide a more engaging and convenient interview experience. We appreciate your understanding and look forward to connecting with you virtually!#LI-MT1This role may require access to export-controlled commodities and technology. Therefore, to conform to U.S. export control regulations, applicant should be eligible for any required authorizations from the U.S. Government.Health insurance401(k)Parental leave

Additional Information

What success looks like in this role: Administer and support ClearPath OS2200 environments across installation, configuration, daily operations, and lifecycle management. Monitor system health, performance, availability, and capacity to maintain stable, secure, and efficient operations. Lead system upgrades, patching, maintenance, and environment changes using controlled ITIL change management practices. Configure and support core platform services including TCP/IP networking, batch processing, printing, storage, tape, and security controls. Analyze system performance trends, troubleshoot complex technical issues, and implement tuning improvements to optimize throughput and resilience. Support integration with database, middleware, transaction, and application workloads across customer environments. Develop and maintain automation, monitoring, scripts, and operational tooling to improve efficiency and reduce manual effort. Respond to incidents, participate in on-call support, and provide escalation management during critical outages or service disruptions. Create and maintain technical documentation, runbooks, operational procedures, and knowledge transfer materials. Partner with internal teams and customers to deliver reliable managed services, support disaster recovery readiness, and drive continuous service improvement. Support installation of Plateau / Firmware, upgrades and IC's. Able to create or update an SCMS II config. You will be successful in this role if you have: Strong expertise in: ClearPath OS2200 system administration Mainframe OS installation, configuration, and monitoring Experience with: TCP/IP networking and certificates, system configuration Workload automation tools (OpCon, Control-M, AMS) Tape and storage management (STAR, Disk, VTL) RDMS/DMS database environments and integration Batch and transaction processing systems ECL, SSG, IPF, etc. Must be authorized to work and residing in the United States

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