Bruno Isigkeit
Support Consultant
Experience
Support Consultant
Onapsis
- Support for SAP Security Tools to find and fix vulnerabilities in ABAP programs (CodeProfiler - Control for Code ABAP) and in transport requests (TransportProfiler - Control for Transport)
- Use of ticketing systems: Salesforce, Jira
ABAP Developer
Onapsis
- Programming, documentation and testing of tools in the area of SAP Security
- Finding and fixing vulnerabilities in ABAP programs
- Freelance collaboration in a software house specializing in SAP Security
SAP Transport Consultant
Vattenfall
- Conflict checks and execution of cross transports from the maintenance system landscape into the project system landscape
SAP Transport Consultant
Vattenfall
- Execution of cross transports from the maintenance system landscape into the project system landscape
ABAP Developer
Virtual Forge
- Programming, documentation and testing of tools in the area of SAP Security
- Finding and fixing vulnerabilities in ABAP programs
- Freelance collaboration in a software house specializing in SAP Security
Developer and Support Consultant
Vattenfall
- Development and maintenance of tools for transports into SAP production systems for releases 4.6 and 7.4
- Tool for checking cross transports to avoid overwriting developments in the target system, including customizing
- Tool for checking transports into production systems to avoid overtaking, including customizing
- Tool for provisioning newly copied test systems with missing transports
- Participation in operational transport activities: remediation for client and system copies, support for transport issues, coordination of ticket handling
- Planning of batch runs in collaboration with a UC-4 team
ABAP Programmer
Münchner Rück
- Participation in the upgrade of SAP R/3 test systems and production system from Enterprise 4.71 to ERP 6.0
- Transport management with ABAP/4 programming for upgrades from WebAS 620 to NetWeaver 2004s, R/3 4.71 to ERP 6.0 and FS-RI 4.71 to 6.50
- Extraction of the entire FS-RI in-house development under NetWeaver 7.0 from a consolidation system for import into upgraded systems
- Handling SPDD during upgrades, assessment and resolution of activation errors
- Setup, execution and monitoring of FS-RI migration jobs
- Creation of upgrade protocols for various systems
- Pre- and post-upgrade tasks for R/3 systems and client copies
- Maintenance of transport landscapes with extended transport control (client-dependent transport routes)
- Internal release transports and analysis of import errors related to ABAP Objects
- SPDD handling for support package stack imports in test systems
- Coordination with test teams and SAP Basis for requirements
- First-level support for system operation issues
- Programming of upgrade tools in ABAP/4
ABAP Developer
INA Schaeffler KG
- Corrections and enhancements to a dialog application implementing a workflow for job approvals and job documentation
Perl Developer
Deutsche Post IT-Solutions GmbH
- Analysis of transport requests regarding dependencies to other transport requests
- Development of a Perl tool for dependency analysis
ABAP Developer
INA Schaeffler KG
- Corrections and enhancements to an in-house development implementing a workflow for job approvals and job documentation
R/3 System Administrator, Transport Focus
SAP AG
- Configuration and maintenance of complex R/3 system landscapes for transports
- Systematic analysis and correction of import buffers during transport landscape changes
- Error analysis and activation of data dictionary, runtime and database objects for import issues
- Setting TP and R/3 profile parameters
- Job scheduling in R/3 and via crontab
- Creation of transport documentation in English (step-by-step guides for tasks like adding a new system to a transport landscape)
- Training of international colleagues in presence and via NetMeeting
- Intensive use of SQL for transport data analysis in MaxDB
- Execution of transports at the OS level and from R/3
- Troubleshooting and hotline for transport issues
- Development of transport tools in Perl, ABAP/4, Unix-Shell and AWK
- Analysis of lock issues in R/3 and databases (Oracle, MaxDB, DB2, DB6, MSSQL)
- OS-level problem analysis on HP-UX, Sun Solaris, AIX, Linux, Windows 2000, Windows 2003
MM Development Support
SAP AG
- Debugging ABAP/4 programs in the MM module
- Development support for MM-Purchase
COBOL Developer
VW AG
- Maintenance and development of programs for vehicle cost calculation in COBOL under MVS with DB2
- Development of an interface to the KASKO vehicle calculation system
- Intensive use of SQL for DB2 database access
- Adjustments to JCL jobs
ABAP Developer
Vitrashop
- Development of an operational contribution margin/manufacturing cost report
- Development of a disposition list archive
ABAP Developer
DeTeMedien
- Batch input for correction of customer orders in the SD module
Material Management Hotline Support
Fresenius
- Resolution of customer issues
- Analysis and remediation of problems at the interface between a WWS system (ELVIS) and an R/3 system
ABAP Developer
Votex
- Implementation of an interface from R/3 to the DEWAS WWS system of SUPER DATA as part of the "Autostadt" project in Wolfsburg
ABAP Developer
DeTeMedien
- Implementation of an interface for purchasing statistics data to a data warehouse
ABAP Developer
Fresenius
- Development of programs for migration of material master, vendor master and stock data of an acquired company into an R/3 system
- Batch input for price fields (append structure) in material master
- Reporting on purchase orders transferred to new purchasing organizations
- Batch input for vendor master
SAP and Mainframe Consultant
Carl Zeiss
- SAP authorization administration: maintenance and creation of profiles for the MM module
- Extension and development of ABAP/4 programs to display authorization profile information
- ABAP/4 dialog and batch programming for interfaces between legacy MVS systems and R/3
- Cross-module ABAP/4 programming
- Development and monitoring of interfaces in ABAP/4, PL/1 and JCL between R/3 systems (RFC, ALE) and between R/3 and MVS (Call Transaction, Batch Input)
- In-house ABAP/4 training
- Mainframe programming in COBOL and PL/1 under MVS, CICS, DB2 and IMS for decentralized time and order data capture, production control, routing management and sales
- Central creation of IMS database access for multiple programming groups
- Delivery of two IMS database access trainings (each two months)
- Projects: automatic small parts warehouse using AIX and Oracle
- Y2K code review on programs and shell procedures
- Oracle 6 database administration (installation, configuration, index maintenance, tablespace management, hotline support, LAGOS warehouse management system commissioning)
- Intensive use of SQL for warehouse inventory data analysis
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (13.5 years), Manufacturing (13 years), Energy (9 years), Insurance (2.5 years), Automotive (1 year), and Healthcare (1 year).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (37 years), Logistics (12.5 years), Product Development (6.5 years), Quality Assurance (6.5 years), Operations (6.5 years), and Customer Service (1.5 years).
Skills
- Basis Administration
- R/3 Transport Management
- R/3 Authorization Management
- Abap/4
- Java
- Perl
- Shell
- Awk
- C
- Pl/1
- Cobol
- Sql
- Access To Ims Db
Languages
Education
Carl Zeiss
Training as an Application Programmer · Application Programmer · Oberkochen, Germany
State exam in Physics and Mathematics · Mathematics and Physics for teaching at high schools
Profile
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