Jimmy Schoolfield
Montgomery,AL
Summary
Professional experienced in mainframe batch processing (z/OS, JCL, CA-7) and general IT support. Expertise in systems monitoring, root-cause analysis, and secure data transfers. Proficient in resolving complex technical issues, strengthening security postures, and coordinating support within high-paced environments. Eager to continue learning and expanding technical expertise.
Overview
5
5
years of professional experience
1
1
Certification
Work History
IT Mainframe Technician
State of Alabama Department of Human Resources
05.2025 - Current
- Managed daily mainframe operations on IBM z/OS, overseeing batch job execution, monitoring, and troubleshooting to ensure optimal workflow and data integrity.
- Oversaw CA-7 job scheduling workflows, including modifying dependencies, resolving error codes, and ensuring on-time delivery of batch cycles.
- Utilized JCL (Job Control Language) to edit, submit, and validate batch jobs, ensuring successful file transfers and processing accuracy within TSO/ISPF environments.
- Resolved job failures by analyzing logs, identifying root causes, coordinating with support teams, and implementing solutions.
- Ensured secure end-to-end data integrity by managing secure server-to-mainframe file transfers (FTP/SFTP) and verifying automated processing outcomes.
- Monitored system alerts and provided remote server assistance, responding to failures and escalating critical issues while ensuring compliance with security protocols.
- Produced daily operational reports (financial transfer metrics, system availability, job activity) and documented technical procedures to maintain accurate knowledge resources.
Lead Retail Sales Associate/Lead Mobile Expert
T-Mobile
01.2021 - 05.2025
- Supervised store operations, including strategy meetings (via in-person, Zoom, Microsoft Teams), inventory audits, conflict resolution in the absence of management, and more.
- Managed customer accounts and executed secure transactions (up to $4,500) while optimizing system setups across telecommunication networks.
- Provided technical support on device benefits, security protocols, service level agreements, and network connectivity, ensuring secure configurations on client-server applications and protocols.
- Diagnosed and resolved network, hardware, and software issues across client-server platforms and telecommunication devices, applying Security+ best practices to secure endpoints.
- Resolved issues on telecommunication systems, laptops, tablets, cell phones, and routers while maintaining excellent client service through troubleshoot protocols and efficient technical solutions with an overall 8.4 out of 10 customer satisfactory review rating; minimizing downtime.
- Investigated and escalated complex cases when needed via T-mobile Support Ticketing system for both in-person and remote support; coordinated with Tech support to expedite and resolve most cases. Minimizing overall downtime.
- Familiar with Active Directory user management, including account creation, permissions, and basic troubleshooting.
- Implemented security patches, addressed vulnerabilities, and ensured endpoint protection, enhancing data security, integrity, and privacy with end-to-end encryption.
- Upgraded or added applications based on device need, including security software, Microsoft Office, and more.
Education
Ongoing - Computer Science
University of Alabama; Shelton Community State College
Tuscaloosa, AL12-2026
High School Diploma -
Success Unlimited Academy
Montgomery, AL05-2016
Skills
- Mainframe & Batch Processing IBM z/OS:
- CA-7 Job Scheduling
- Batch Job Execution & Monitoring
- Systems Monitoring & Troubleshooting
- Root-Cause Analysis
- Incident Escalation & Support Coordination
- Secure File Transfers (FTP/SFTP):
- Documentation of Procedures, Job Changes, and Technical Workflows
- Dataset Management
- Security Knowledge and Best Practices
Certification
COMPTIA SECURITY+ SY0-701 CE (ID: COMP001022592445)
Timeline
IT Mainframe Technician
State of Alabama Department of Human Resources
05.2025 - Current
Lead Retail Sales Associate/Lead Mobile Expert
T-Mobile
01.2021 - 05.2025
Ongoing - Computer Science
University of Alabama; Shelton Community State College
High School Diploma -
Success Unlimited Academy