[Remote] Senior Systems Administrator
Note: The job is a remote job and is open to candidates in USA. Unisys is a global technology services company, and they are seeking a Senior Systems Administrator to manage and support ClearPath OS2200 environments. The role involves system administration, performance monitoring, and ensuring efficient operations while collaborating with internal teams and customers.
Responsibilities
- 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
Skills
- Strong expertise in: ClearPath OS2200 system administration
- Mainframe OS installation, configuration, and monitoring
- Experience with TCP/IP networking and certificates, system configuration
- Experience with workload automation tools (OpCon, Control-M, AMS)
- Experience with tape and storage management (STAR, Disk, VTL)
- Experience with RDMS/DMS database environments and integration
- Experience with batch and transaction processing systems
- Experience with ECL, SSG, IPF, etc
- Must be authorized to work and residing in the United States
Benefits
- Unlimited paid time off
- A 401(k) match
- Comprehensive healthcare
- HSA matching
- Ongoing learning opportunities
Company Overview