Karen Walker
Wiesbaden,
Summary
Senior SAP Security Specialist with 15+ years of expertise in designing and implementing SAP Security Roles and SAP Security concept. Extensive experience in system authorization, developing and managing user access and data access. Demonstrated proficiency in SAP systems, successfully creating secure solutions for large, multi-national organisations. Detail-oriented professional with strong problem-solving ability and a collaborative approach to efficient solutions. Recognised for professionalism and highly skilled work.
Overview
34
34
years of professional experience
1
1
Certification
Work History
SAP Security/Authorisations Project Lead
Nestle Deutschland AG
01.2021 - Current
- Lead the SAP Security Authorisations Project team for Global and German level Projects
- Scope Project requirements for SAP Roles, coordinate builds and transports, test preparation, support cutover and Golive, provide hyper-care
- Adjusted project plans to account for dynamic targets, staffing changes, and operational specifications.
- Partnered with project team members to identify and quickly address problems.
Senior Cyber Security Specialist (SAP)
Nestle Globe IT Hub
12.2019 - 12.2020
- Review, investigate and implement SAP Security Monitoring and Alerting Strategy
- Performed risk analyses to identify appropriate security countermeasures.
- Conducted security audits to identify vulnerabilities.
- Prepare and review Penetration Tests for SAP systems
- Incident response, review and respond to SAP Level 3 Support incidents.
IT Security Specialist, SSCP
LafargeHolcim
06.2016 - 10.2019
- Coordinated regular internal and external audits and supported daily operational tasks and activities surrounding security, inclusive of user management, control reviews, project assessments, penetration testing, change management and awareness
- Performed as primary contact to support information security provisions for existing projects, in addition to advising on enquiries from other business functions and stakeholders
- Ensure prompt response to various security incidents that present themselves and report to appropriate parties
- Identify various improvements to processes ensuring their maintenance to provide consistent effectiveness and accurate security and user administration.
- Conducted security audits to identify vulnerabilities.
- Performed risk analyses to identify appropriate security countermeasures.
SAP & IT Security Specialist
LafargeHolcim (Australia) Pty Ltd
02.2013 - 05.2016
- Created and implemented GRC 10.0 and SOLMAN project specific and standards roles and acted as SAP Security Lead to manage role design and development of P2P role project and Customer and Vendor Portal/Newsletter
- Led the building and updating of local security roles, comprising of both single and composite roles
- Conducted monthly audit checks and supported regional incidents and requests, including SAP, Active Directory, Command, INX and Citrix.
- Performed risk analyses to identify appropriate security countermeasures.
Senior SAP Security Specialist
Nestle GLOBE Center Europe
05.2010 - 07.2012
- Led the implementation of new authorisation concept, acting as Single Point of Contact (SPOC) across different market countries, including UK, Denmark, Sweden and Finland
- Managed Market Implementation and sustained support and led Role Localisation (SAP & Portal)
- Led Market Integration and Market Acceptance Test support, as well as the add-on Delta role development (SAP & Portal)
- Managed Mass User Administration, conducted ABAP program analysis for authorisation issues, organised Security Configuration and maintained Monthly Audit Compliance.
SAP Security Specialist
Nestle GLOBE Center AOA
05.2007 - 05.2010
- Performed as Single Point of Contact (SPOC) for Asia/Oceania/Africa region for International Project Upgrade from SAP R/3 Release 4.6 to ECC 6.0
- Implemented new authorisation concept, acting as SPOC for different market countries, including Singapore/Malaysia, Korea, Japan, Thailand and Indonesia
- Maintained application security, SAP R/3 and Enterprise Portal on all regional and local systems in compliance with GLOBE Security Processes and Procedures
- Implemented and maintained consistent application Security monitoring procedures, ensured Baseline Security monitoring, and disseminated knowledge and advice across the markets.
Job Scheduling Specialist
Nestle GLOBE Center AOA
03.2004 - 04.2007
Senior Network Operator
First Data International
06.2001 - 03.2004
Systems Support Analyst
HIH Insurance Winterthur
03.2000 - 04.2001
Operations Shift Supervisor
HIH Insurance Winterthur
03.1999 - 03.2000
Systems Support Analyst
Mercantile Mutual Financial Services Pty Ltd
04.1998 - 03.1999
Operations Shift Manager
Newcastle Permanent Building Society
01.1996 - 04.1998
Computer Systems Officer
Newcastle Permanent Building Society
08.1990 - 01.1996
Education
GRC100 SAP Governance, Risk and Compliance -
SAP Education
01.2015
BW365 SAP BI User Management -
SAP Education
01.2008
ADM940 SAP Authorisation Concept -
SAP Education
01.2007
Associate Diploma in Business (Microcomputer Systems) -
Newcastle Technical College
01.1995
Skills
- SAP Security Principles and Functionality
- SAP Security Design and Implementation
- SAP ECC Security and SAP GRC Security
- Cyber Security
- Incident Management
- Enterprise Portal
- Troubleshooting (Problem Solving)
- Risk Analysis and Risk Management
- Authorizations Models
- User Access Management
- Audit and Compliance
- Process Improvement
Languages
English (Native speaker)
German (A1)
Certification
- Certified Ethical Hacker (CEH V10), Robust IT, Harlow, UK - 2019
- Systems Security Certified Practitioner (SSCP), Firebrand Training, Wyboston Lakes, UK - 2017
- Lead Implementer: ISO/IEC 27001, BSI Group, York, UK - 2016
Timeline
SAP Security/Authorisations Project Lead
Nestle Deutschland AG
01.2021 - Current
Senior Cyber Security Specialist (SAP)
Nestle Globe IT Hub
12.2019 - 12.2020
IT Security Specialist, SSCP
LafargeHolcim
06.2016 - 10.2019
SAP & IT Security Specialist
LafargeHolcim (Australia) Pty Ltd
02.2013 - 05.2016
Senior SAP Security Specialist
Nestle GLOBE Center Europe
05.2010 - 07.2012
SAP Security Specialist
Nestle GLOBE Center AOA
05.2007 - 05.2010
Job Scheduling Specialist
Nestle GLOBE Center AOA
03.2004 - 04.2007
Senior Network Operator
First Data International
06.2001 - 03.2004
Systems Support Analyst
HIH Insurance Winterthur
03.2000 - 04.2001
Operations Shift Supervisor
HIH Insurance Winterthur
03.1999 - 03.2000
Systems Support Analyst
Mercantile Mutual Financial Services Pty Ltd
04.1998 - 03.1999
Operations Shift Manager
Newcastle Permanent Building Society
01.1996 - 04.1998
Computer Systems Officer
Newcastle Permanent Building Society
08.1990 - 01.1996
GRC100 SAP Governance, Risk and Compliance -
SAP Education
BW365 SAP BI User Management -
SAP Education
ADM940 SAP Authorisation Concept -
SAP Education
Associate Diploma in Business (Microcomputer Systems) -
Newcastle Technical College
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