Senior Mainframe Assembler Specialist

Quick Facts

• Role: Senior Mainframe Assembler Specialist

• Focus: IBM Mainframe assessment and stabilization (Assembler/z/OS/JCL/CICS/DB2)

• Duration: ~5–8 weeks, option for follow-on engagement

• Work pattern: 3–4 days per week

• Location: Munich on-site with up to 40% remote

Description

You will lead and structure a technical Mainframe assessment to create transparency about applications, dependencies, and risks in a business-critical IBM Mainframe landscape. Based on analysis—covering Assembler modules, JCL and batch job chains, and CICS/DB2 interfaces—you will secure critical knowledge and derive recommendations plus a future operating and support model and a strategic roadmap with management-ready materials.

Responsibilities

• Lead a Mainframe assessment (technical and methodological)

• Analyze the current IBM Mainframe landscape (Assembler, z/OS, JCL, CICS, DB2)

• Evaluate existing Assembler modules and undocumented/critical routines

• Analyze JCL and batch job chains, and identify technical dependencies

• Identify single points of failure, knowledge concentrations, and operational risks

• Facilitate deep-dive technical workshops and expert interviews

• Consolidate and structure findings

• Provide recommendations for stabilization, knowledge transfer, and future operations

• Advise on continued operation, modernization, or migration

• Contribute to defining the support model, roles/responsibilities, SLA, and governance

• Develop a robust roadmap and audience-tailored management presentations

• Collaborate with technical specialists, application owners, IT management, and other stakeholders

Requirements

• Long-term IBM Mainframe experience

• Excellent practical knowledge of Assembler and z/OS

• Solid experience with JCL, CICS, and DB2

• Good knowledge of COBOL or PL/1 (advantage)

• Experience with legacy/Mainframe application assessment, dependency mapping, and risk assessment

• Experience with operations/support/application management models

• Demonstrated experience as Technical Lead, Architect, Engagement Lead, or Senior Consultant

• Strong workshop moderation and presentation skills

• Ability to present technical topics clearly for IT management and decision-makers

• Structured, analytical, and independent way of working

• Insurance domain experience is a clear advantage

• Very good German language skills

Benefits

• Short-term engagement (~5–8 weeks) with option for follow-on work