Mainframe System Engineer

About the job
Under the direction of the Manager/Supervisor of Data Center Operations, responsibilities include, but are not limited to:

Day to Day Functions
Daily monitoring of IT infrastructure and applications, as well as managing and maintaining the supporting technologies to ensure peak efficiency and reliability.
Serve as backup for Shift Lead for a DCO monitoring shift and be responsible for completing the Shift Summary sheet for review and approval by oncoming shift DCO Lead.
Provide real-time monitoring for both Mainframe and Distributed systems in order to proactively detect and prevent service disruption.
Responsible to diagnose and troubleshoot complex problems through resolution.
Ensure proper procedures are followed to introduce changes and fixes into the operating environment and production libraries in order to ensure the lowest possible error rate.
Provide timely notification of Level 2 system and application support teams as necessary. Independently works with system monitoring and diagnostic tools to ensure optimal performance of operating systems.
Initiate and coordinate HealthCheck calls for problem identification and resolution.
Scheduling Tasks
Create or alter new and existing jobs and job schedules on the mainframe, Windows, and UNIX environments using the CareFirst Scheduling package(s).
Perform job restarts with needed overrides and correct JCL syntax.
Monitor the Scheduler queues to ensure job completion and/or error corrections have been performed.
Update Scheduler Base Calendars to reflect current years processing and Holiday schedule.
Build AGENT capabilities to communicate scheduling requirements across platforms.
Contributes to the implementation of new technology and tools to increase productivity and performance with job scheduling at CareFirst.
Support upgrades and new releases to applications, platforms, and the scheduling product(s).
Procedural
Develops, updates, and maintains operations systems manuals, documentations, policies, inventories, written procedures relative to installing, configuration, maintaining, and using Operating Systems, subsystems software, scheduling, and information ensuring compliance with Corporate security and audit regulations.
Contributes to the establishment of SLAs and Metrics, monitoring performance against requirements to ensure performance targets are met.
Provide timely information for audit requests for Data Center Operations.
Follow IT Operations guidelines for audit reply review and approval.
Technology Consulting
Provide technical assistance to all customers; IT Operations, Service Desk, and Application Programming areas to leverage technology and resolve issues/problems.
Provides 365x24x7 on call support for assigned products and services.
Uses available resources to research, resolve and recommend solutions for the complex and critical systems.
Collects and trends data and metrics options for DCO reporting.
Assists with daily system administration tasks for EDCS products and services to ensure that are functioning properly.
Leads maintenance and upgrade efforts for EDCS products and services.
Works with vendor technical support centers when troubleshooting product based issues.
Work along with other IT engineers on day-to-day tasks and projects.
Participates in Data Center Operations efforts for disaster recovery/business resumption initiatives and during Disaster Recovery Exercises.

Required Skills

Experience: 5 years experience with software development, basic coding and compilation, software architecture/design, user requirements definition and software specification development.
Education Level: Bachelor's Degree. In lieu of a Bachelor's degree, an additional 4 years of relevant work experience is required in addition to the required work experience.
Thorough knowledge of CA7, CICS, DB2 BASICS, DFHSM, FTP, HMC, ISPF, JCL, JES2, NDM, NET MON, OPS MVS, SAR, TMON, TIVOLI, TPX, AFP, TSO, Visio, MVS Utilities, CLIST and REXX.
Base UNIX and Windows commands and structure.
Knowledge of DB2 commands, functions, control tables and DB2 subsystems, DB2 Stored Procedures and some understanding of data sharing.
Strong CA7 skills to create and alter new and existing jobs and job schedules.
Experience in meeting project deliverables on time with quality results.
Strong organizational, interpersonal, and analytical skills.
Capable in diagnosing and resolving complex problems using experience and standard tools and methods such as creating system dumps, trace analysis, and vendor support.
Strong written and communication skills.
Ability to maintain composure while working under pressure during major network and system emergencies.
Proven ability to work within a team of technical and business professionals and work independently.
Must be adaptable to change and able to coach less experienced staff.
Knowledge to monitor and modify HSM, and manage ICF catalogs. Understanding of DFSMS, DFHSM, IDCAMS, VSAM, TSM, and ABARS concepts.
Knowledge with SAN technology and distributed storage management concepts.
Ability to assist in Network monitoring activities.
Knowledge of TCP/IP, VTAM, and Network Topology.

Desired Skills and Experience
Founded in 2015, Largeton Group has evolved from a staffing agency to a comprehensive HR solutions provider. Our journey has been marked by a commitment to excellence, innovation, and customer satisfaction. Today, we're proud to be a trusted partner for businesses seeking to optimize their workforce, streamline operations, and stay ahead of the curve.