Mainframe Systems Administrator; Remote

Mainframe Systems Administrator

Position:
Mainframe Systems Administrator at GDIT – responsible for providing operational support for mainframe systems, managing batch production, handling elevation and scheduling change requests, and delivering operational metrics.

• Provide operational support for the Data Control and Operation teams, including elevation requests, scheduling change requests, and ad‑hoc requests.
• Support daily production batch processing and other operational activities.
• Track system and operational KPIs for monthly metrics reporting.
• Update run books and escalation procedures for lights‑out operations.
• Provide operational support for major application deployments and system upgrades.
• Review and update standard operating procedures to ensure smooth transition to reduced staff and lights‑out operations.
• Monitor system and manage production batch workflow, ensuring SLAs for system availability.
• Review, approve, and ensure timely processing of elevation requests.
• Review, approve, and ensure timely processing of scheduling change requests.
• Review, approve, and ensure timely processing of ad‑hoc requests.
• Produce monthly operational metrics reports.
• Gather weekly changes and inform business entities about changes.
• Manage incidents, create tickets in Remedy Force system.
• Participate in daily turnover meetings with application developers to review batch incidents and resolutions.
• Provide off‑hour on‑call support for operation related incidents.

• 8+ years of related experience in mainframe administration.
• Strong knowledge of mainframe computers, operating systems, support, and technologies.
• US citizenship required.

• Full flex work week.
• 401K with company match.
• Customizable health benefits packages.
• Collaborative teams of highly motivated critical thinkers and innovators.
• Internal mobility team dedicated to helping you own your career.
• Rewards program for high‑performing employees.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans.