Mainframe Technical Support

2 weeks ago

Baltimore, United States Cyquent Full time

This is an Onsite position in Baltimore, MD Technical Support /Backend Developer with Mainframe systems Key Responsibilities: • Install, configure, and maintain IBM z/OS and related subsystems including VTAM, CICS, DB2, IMS, and MQ Series • Provide technical support for a 24/7/365 mission-critical environment, ensuring high availability and system performance • Conduct system and application troubleshooting, root cause analysis, and corrective actions • Monitor and maintain mainframe network infrastructure, including VTAM configurations and protocols • Support and manage job control (JCL) environments and batch processing systems • Manage and troubleshoot system tools including: o Rocket TMON (MVS, DB2, CICS, MQ) o BMC Tools: AbendAid, FileAid, Xpediter, Control-M, etc. o CA/Broadcom Tools: Top Secret (TSS), Librarian, Dynam TLMS, Solve Session Manager o Levi, Ray & Shoup Print Utilities: VPS, DRS, VPS/IPDS o ChicagoSoft QuickRef and JES2Mail Reporter/Splitter • Implement and monitor security and access control measures using Top Secret (TSS) • Manage storage systems and performance tuning of applications and subsystems • Utilize mainframe automation tools to enhance operational efficiency and reduce manual intervention • Coordinate with development, security, and network teams to ensure system integrity and alignment with enterprise goals • Create and maintain detailed documentation including system configurations, standard operating procedures, and troubleshooting guides • Ensure adherence to CJIS compliance and security best practices for handling sensitive and criminal justice data • Participate in disaster recovery planning and system failover testing • Respond to incidents and service desk tickets, providing timely resolutions and root cause analysis • Work independently and as part of a collaborative technical team in a structured support environment Required Qualifications: • 10+ years of hands-on experience with IBM mainframe technologies, including: o z/OS, JCL, CICS, DB2, IMS, MQ Series • 10+ years of system programming experience with specialization in mainframe networking (e.g., VTAM) • In-depth experience supporting mission-critical systems in a 24x7x365 environment • Expertise with mainframe performance and diagnostic tools such as Rocket TMON and Xpediter • Proficiency with BMC, CA/Broadcom, and LRS toolsets • Knowledge of mainframe security protocols, access control (TSS), and compliance standards (CJIS/NIST) • Strong understanding of mainframe automation and job scheduling using Control-M • Excellent problem-solving and troubleshooting skills, particularly in high-pressure environments • Effective written and verbal communication skills, including technical documentation • Ability to manage multiple complex technical projects simultaneously Preferred Qualifications: • Familiarity with modernization and migration strategies for legacy mainframe applications • Experience mentoring junior team members and supporting collaborative technical environments

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