Top Tech Jobs & Startup Jobs in Chicago, IL

Perform Level 2 Windows systems administration for development, test, and production servers: troubleshooting AD and server connectivity, patching, re-imaging, GPO configuration, monitoring, incident remediation, reporting, documentation, and training Level 1 analysts.

Provide Level 2 Windows systems administration and troubleshooting for development, test, and production servers. Perform patching, re-imaging, GPO configuration, OS hardening, software/agent management, monitoring, incident remediation, root cause analysis, reporting, documentation, and create runbooks to train Level 1 analysts. Support 24×7 operations on rotating shifts.

Administer and maintain Linux/Unix development, test, and production servers including imaging, patching, package management, and shell-level maintenance. Monitor systems, troubleshoot complex OS/service/connectivity issues, own Level 2 incidents through resolution and root-cause analysis, produce operational reports, maintain documentation/configuration data, create runbooks, and train Level 1 analysts. Support 24x7 operations across rotating shifts and ensure compliance with export-control and authorization requirements.

Provide advanced Linux/Unix administration in a 24×7 NOC: troubleshoot OS/service/connectivity issues, perform re-imaging, patching, package management (yum/apt/rpm), monitoring, incident remediation, runbook creation, documentation, and train Level 1 analysts. Maintain compliance and operational reporting across development, test,and production servers; support rotating shifts.

Lead web strategy and optimization for Unisys.com: define customer journeys, run A/B testing and personalization, monitor behavior with Contentsquare/GA4, manage web publishing team, ensure site quality and SEO, improve performance and conversions, partner with marketing and analytics, and present results to stakeholders.

Design, deploy, and manage VMware virtualization and networking (vSphere, vCenter, ESXi, vSAN, NSX‑T). Implement SRM and vSphere Replication for disaster recovery, operate stretched/metro clusters, perform capacity planning, monitoring, performance tuning, automation, and support complex datacenter and hybrid infrastructure projects in a 24x7 manufacturing environment.

The role involves leading strategic sales efforts for major accounts, developing business opportunities, presenting solutions, and establishing trust with senior executives.

Design, install, and administer ClearPath OS2200 RDMS/DMS database environments; perform monitoring, tuning, backup/recovery, upgrades, DR testing, ITIL-driven incident/change management, automation, multi-customer managed services support, on-call rotation, and documentation.

Administer and support ClearPath OS2200 environments including installation, configuration, upgrades, patching, monitoring, capacity planning, and lifecycle management. Troubleshoot performance issues, tune systems, manage storage/tape, workloads, databases, middleware and batch/transaction processing. Develop automation, runbooks, documentation, participate in on-call incident response, and follow ITIL change management. Support firmware/Plateau installations and SCMS II configuration, and collaborate with teams and customers for disaster recovery and continuous service improvement.

Design, implement, and maintain observability and monitoring solutions across servers, applications, databases, networks, and cloud. Configure platforms for metrics, logs, traces, dashboards, and alerts; integrate with ITSM and CI/CD pipelines; perform tuning, root cause analysis, capacity planning, and automation (IaC, scripting). Support incident and problem management, reduce alert noise, and contribute to AIOps and self-healing initiatives while ensuring compliance and operational governance.