Consultant ITIL Atlassian, PO, administrations, migrations, tests campaigns,

Guillaume Mackowiak

Consultant ITIL Atlassian, PO, administrations, migrations, tests campaigns,

Next availability:
January 30, 2026

Consultant ITIL Atlassian, PO, administrations, migrations, tests campaigns,

Experience Level

Expert
Expert
Intermediate

Language

French
Fluent
English
Advanced
German
Beginner

Work Experience

ITSM / QA Consultant at Freelance
October 1, 2025 - October 10, 2025
Design and execution of test campaigns for large ITSM programs; test management including scenarios, execution, defect tracking, and stakeholder reporting; proposed and implemented process improvements to streamline QA; banking projects including Rothschild (Geneva) and Azqore (Geneva) involving QA campaigns and platform administration.
SQL/HR Developer at Eurotunnel
May 1, 2011 - October 10, 2025
PL/SQL development and HR application support; defined and executed test scenarios during SAP HR migration; managed payroll, time tracking, planning, and HR training processes.
Solution Manager at Alstom Grid
January 1, 2019 - October 10, 2025
Designed and managed a support platform for methods and tools (Jira, workflows, scripts, SQL). Collected business requirements, deployed platform evolutions, and trained users. Supported Agile teams by configuring Jira, running sprint reviews, and coordinating UATs. Migrated 32 servers to AWS.

Education

DEUG in Psychology at Lille
January 11, 2030 - January 1, 1984
Master European Consulting Professions at Dess Conseil
January 11, 2030 - January 1, 2003
Master European Consulting Professions at http://www.dessconseil.ovh.org
January 1, 2003 - October 10, 2025
Project Manager junior at CESI -Nord, Arras
January 1, 1992 - October 10, 2025
DEUG of psychology at Lille
January 1, 1984 - October 10, 2025

Qualifications

ITIL v4 Foundation
January 1, 2024 - October 10, 2025
ACP-620 Managing Jira Projects for Cloud
January 1, 2023 - October 10, 2025
ACP-520 Atlassian Cloud Org Admin
January 1, 2022 - October 10, 2025
ACP-100 Jira Administration for Data Center and Server
January 1, 2022 - October 10, 2025
SAFe 5 Agilist
January 1, 2020 - October 10, 2025
PSM I Professional Scrum Master
January 1, 2019 - October 10, 2025
CMMI Capability Maturity Model Integration
January 1, 2013 - October 10, 2025
Master European Consulting Professions
January 1, 2003 - October 10, 2025
ITIL v4 Foundation
January 1, 2024 - October 10, 2025
ACP -620 Managing Jira Projects for Cloud
January 1, 2023 - October 10, 2025
ACP -520 Atlassian Cloud Org Admin
January 1, 2022 - October 10, 2025
ACP -100 Jira Administration for Data Center and Server
January 1, 2022 - October 10, 2025
SAFe 5 Agilist
January 1, 2020 - October 10, 2025
PSM I Professional Scrum Master (PSM I)
January 1, 2019 - October 10, 2025
CMMI Capability Maturity Model Integration
January 1, 2013 - October 10, 2025
ITIL v4 Foundation
January 1, 2024 - October 10, 2025
ACP -620 Managing Jira Projects for Cloud
January 1, 2023 - October 10, 2025
ACP -520 Atlassian Cloud Org Admin
January 1, 2022 - October 10, 2025
ACP -100 Jira Administration for Data Center and Server
January 1, 2022 - October 10, 2025
SAFe 5 Agilist
January 1, 2020 - October 10, 2025
PSM I Professional Scrum Master (PSM I)
January 1, 2019 - October 10, 2025
CMMI Capability Maturity Model Integration
January 1, 2013 - October 10, 2025
Master European Consulting Professions
January 1, 2003 - October 10, 2025
Project Manager junior
January 1, 1992 - October 10, 2025
DEUG of psychology
January 1, 1984 - October 10, 2025

Industry Experience

Financial Services, Professional Services, Software & Internet, Other, Transportation & Logistics, Energy & Utilities, Retail

Experience Level

Expert
Expert
Intermediate

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