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Mainframe Customer Support

Company:
3B Staffing
Location:
Herndon, VA, 22095
Posted:
April 28, 2026
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Description:

Mainframe Customer Support

Required Skills

- 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

- Experience: 5 years experience at minimum. Thorough knowledge of Mainframe Technologies such as Cobol, 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.

- Must be able to read/understand Java code for troubleshooting related activates. Must have a blend of newer technologies (AWS would be a BIG PLUS)

- Base UNIX and Windows commands and structure.

- Mid Tier Tech Stack such has AIX and Linux

- 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.

- 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 for phone related support

- Ability to maintain composure while working under pressure during major network and system emergencies.

- 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.

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