Mainframe Operational Support Specialist COBOL, JCL, DB2, VSAM, CICS, IMS, TSO/ISPF, SDSF Gdańsk

Diverse CG Sp. z o.o. Sp.k.

Województwo pomorskie

On-site

PLN 110,000 - 170,000

Full time

14 days+

Get a reply from this employer

Your resume and cover letter, tailored to exactly what they’re hiring for.

Get past ATS filters

Benefits offered by this job

Private medical care

Co-financing for sports card

Dedicated consultant support

Job summary

Diverse CG Sp. z o.o. Sp.k. in Poland seeks a Mainframe Operational Support Specialist to join our team. You will handle incidents in the mainframe environment, drive resolutions, and participate in problem management and root-cause analysis.

You will work with COBOL, JCL, DB2, VSAM, CICS, IMS, and Base SAS, using TSO/ISPF, SDSF, and OPC/TWS. Strong English skills are required, and the role offers continuous learning in evolving mainframe technologies within a collaborative environment.

Qualifications

Proven experience in Incident Handling and Problem Management.
Strong analytical skills for incident analysis and troubleshooting.
Deep understanding of mainframe technologies: COBOL, JCL, DB2, VSAM, CICS, IMS.
Hands-on experience with Base SAS.
Very good command of English, both spoken and written.
Nice to have: knowledge of REXX scripting, Shell scripting, Python, DevOps, Agile, cloud/mainframe modernization.

Responsibilities

Handle incidents in the mainframe environment and drive their resolution
Perform problem management activities and support root cause analysis
Analyze incidents and identify corrective actions
Monitor system output using SDSF
Browse and investigate datasets using TSO/ISPF
Support defect diagnosis and resolution using Abend-AID and File-AID
Operate and monitor workloads using OPC/TWS
Work with mainframe technologies including COBOL, JCL, DB2, VSAM, CICS, IMS and Base SAS
Adapt to new tools and technologies used within the operational support environment

Skills

Incident Handling

Problem Management

Analytical skills

English proficiency

Mainframe troubleshooting

Tools

TSO/ISPF

SDSF

OPC/TWS

Abend-AID

File-AID

COBOL

JCL

DB2

VSAM

CICS

IMS

Base SAS

REXX scripting

Shell scripting

Python

Job description

Mainframe Operational Support Specialist

Position: Mainframe Operational Support Specialist

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Mainframe Operational Support Specialist

Responsibilities:

Handle incidents in the mainframe environment and drive their resolution
Perform problem management activities and support root cause analysis
Analyze incidents and identify corrective actions
Monitor system output using SDSF
Browse and investigate datasets using TSO/ISPF
Support defect diagnosis and resolution using Abend-AID and File-AID
Operate and monitor workloads using OPC/TWS
Work with mainframe technologies including COBOL, JCL, DB2, VSAM, CICS, IMS and Base SAS
Adapt to new tools and technologies used within the operational support environment

Requirements:

Proven experience in Incident Handling and Problem Management
Strong analytical skills for incident analysis and troubleshooting
Deep understanding of mainframe technologies: COBOL, JCL, DB2, VSAM, CICS, IMS
Hands-on experience with Base SAS
Practical knowledge of TSO/ISPF and SDSF for dataset browsing and system output monitoring
Experience with OPC/TWS
Experience with Abend-AID for defect investigation and resolution
Experience with File-AID for defect fixing
Ability to learn new tools and adapt to evolving technologies
Proactive approach to problem-solving
Very good command of English, both spoken and written