10/18/2026 updated

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IT Project Manager

Poznan, Poland
Worldwide
MA in Business Administration
Poznan, Poland
Worldwide
MA in Business Administration

Profile attachments

Mariusz R Sokolowski CV 2''''.pdf

Change Management
I am a Senior IT Project Manager specialising in SAP S/4HANA, ERP Transformation, Cutover & Go-Live, with 14+ years of international experience in IT and 8+ years leading complex IT projects and transformations.

I have delivered technology and business transformation programmes across SAP, ERP, Digital Transformation, Cloud, Integrations and Contact Centre/Telephony environments, working with international teams, senior stakeholders and business functions across multiple countries.

My strongest area is end-to-end project delivery — from planning and governance through execution, dependency and risk management, stakeholder alignment, testing, migration, cutover and successful Go-Live.

Selected transformation experience includes:
• SAP S/4HANA & ERP transformations
• SAP implementation and Cutover / Go-Live management
• Complex international programmes across multiple countries
• Business & IT transformation
• Data migration, integrations and system transitions
• Change management and stakeholder management
• Vendor and cross-functional team coordination

I have worked with organisations including Heineken, GSK, Philips/Versuni, Cargill, Luminor Bank, DSV, Ericsson and Al Rajhi Bank, delivering projects in international and multicultural environments.

I am particularly effective in situations where complexity, multiple dependencies and tight deadlines require strong structure, communication and ownership.

Currently open to Senior IT Project Manager ERP Transformation and Cutover / Go-Live opportunities across Europe.
? Remote / Hybrid
? B2B Contract or Permanent
?? English-speaking international environments
Open to permanent and contract opportunities across Europe (remote, hybrid or on-site).
? I welcome connections with recruiters, hiring managers and transformation leaders.

Outside of work: ?‍?‍? Family | ? Cycling | ? Sport shooting | ? Community initiatives

Experience

Professional experience5 - 10 years
Freelancer since2021

Languages

EnglishFluentPolishNative speaker

Project history

SAP Project & Cutover Manager

Heineken

SAP Project Manager (client Merck)

Merck

Pharmaceuticals & Medical Technology

>10.000 team member

PROJECT TETRIS - SAP Change Management for Merck
Sector: Healthcare industry - Poland (Wrzesnia)
Project type: ERP(SAP) full life-cycle implementation

• Managed the change which affected 200 end users
• Coordinated the transformation and deployment of the SAP Atlas platform in the production site.
• Prepared and coordinated of Training of Trainers – key users in modules as well as the Key-user training delivered by client trainers.
• Analyzed the target organizational structure and division of responsibility for operational activities.
• Conducted the Change Impact Analysis using the comparison of the old processes vs. the new deployed system processes during the meeting with stakeholders
• Monitored the adaptation of changes.
• Reported on users' readiness and adaptation to work in the system, along with a recommendation for further actions.

KEY CONTRIBUTIONS:
• Drove successfully Change Management process Impact Analysis for SAP Atlas application deployment in every Poland Factory site department

IT Process Performance Management (client Alrajhi Bank)

Alrajhi Bank

Banking & Financial Services

>10.000 team member

ARB - IT Process Performance Improvement & Management at Alrajhi Bank / KyndrylARB -
 
    • Sector: Banking IT SSC- Saudi Arabia (Riyadh)
      Project type: SSC IT Processes Performance Improvement

      Spearheaded IT Shared Service Centre operations for Alrajhi Bank as Project Manager and IT Process & KPI Management Expert. Overhauled KPIs and metrics, whilst aligning service and process objectives with client IT department requirements. Engineered and refined CIO-level and IT Department KPI dashboards. Devised data collection plans aimed at pinpointing report sources for enhanced data accuracy. Conducted rigorous performance KPIs and metrics analysis, tracking progress and resolving issues.

      • Acting as well as the IT Process & KPI’s Management Subject Matter Expert of the IT Shared Service Center organization of Saudi Alrajhi Bank.
      • Identify / Revise all the KPI’s and metrics to measure the progress and performance of each of the IT department's Service and Process Objectives.
      • Design/Revise, and maintain KPI dashboards at the CIO and IT Department levels.
      • Identify data report sources and create/revise data collection plans.
      • Generate, Review & monitor performance KPIs, metrics generation and reporting. Monitor and Track Progress and Issues.
      • Identify Gaps & Missing Information. Identify the Opportunities for KPI’s Improvement.
      • Provide KPI’s Analyses reports across stakeholders
      • Creating and Building the process of IT Performance Management for Saudi Alrajhi Bank IT SSC from scratch . Passing the IT process audit of the Saudi Financial Control Office SAMA.

      KEY CONTRIBUTIONS:
      ● Pioneered IT Performance Management process for Alrajhi Bank IT SSC and ensured compliance with SAMA audit standards
      ● Delivered insightful KPI analysis reports to stakeholders

SAP Project Management - (client Versuni)

Versuni

Goods & Retail

>10.000 team member


Exuviate  PROJECT - SAP Change & Project Management at Versuni
 
    • Sector: White Goods IT SSC industry - Global Operating Model - Transformation
      Project type: ERP (SAP S4/HANA) life-cycle implementation; post go live support

      • Managed the changes which affected 600 end users (people)
      • Taking a part large-scale global IT transformation and SAP roll out migration program for 20 Versuni Call Centers, whilst employing a greenfield approach.
      • Facilitated global IT application deployment, empowering consumer care teams with advanced tools.
      • Collaborated with training teams to prepare, plan, organize and manage project trainings for trainers and end users
      • Coordinated the transformation and deployment of SAP CRM Service Cloud and Genesys Cloud Telephony platforms together with SAP S/4 HANA
      • Monitored the adoption of changes

      KEY CONTRIBUTIONS:
      ● Achieved 95% completion in UAT tests, successfully identifying and addressing 8 critical defects
      ● Prepared and coordinated the Defect Management Process in the Post go Live Hypercare stage

Release & Deployment Process Managerment (client Luminor Bank)

Luminor Bank

Banking & Financial Services

>10.000 team member

PROJECT Luminor - Release & Deployment Process Management at Luminor Bank (Kyndryl)
    • Sector: Banking IT SSC industry - Global Operating Model
      Project type: IT Infrastructure Release & Deployment process improvement

      In my role, I contributed to the planning and implementation of the Luminor Release & Deployment Process, collaborating closely with the IBM Release teamto ensure seamless execution. I also spearheaded efforts to enhancethe Hotfix Process and secured Stage Environments for Infrastructure,contributing to the overall efficiency and reliability of our systems. Additionally,I played a key role in designing and updating process documentation incollaboration with Process Architects, ensuring clarity and alignment withorganisational objectives. Furthermore, I led Release & Deployment processimprovement meetings and effectively managed improvement backlog tasks to drive continuous enhancement and optimisation of our processes.I managed Release Risks and coordinated risk assesments and risk mitigation tasks.

      KEY CONTRIBUTIONS:
      --Improved stakeholder communication and process improvements for migration projects by 100 %
      --Improved SLA KPI's of Release & Deployment Performance by 30 % and optimized communication channels during major releases.

Application Migration Project Management (client DSV)

DSV

Transport & Logistics

>10.000 team member

PROJECT GIL - Datacenter Applications Migration Project Management at DSV
    • Project type: Apps Integration and Migration
      Led the cross-functional project team of size to 20 people.
      I spearheaded large-scale IT Application Integration & Migration projects for 2 DSV Company Data Centers ( Manchester DC, Singapore DC) ensuring smooth and efficient transitions. I coordinated all aspects of application migration, retirement,and infrastructure closure activities, overseeing each phase to completion. I managed micro-level project tasks and reported on key performance indicators (KPIs) to track progress and ensure alignment with project objectives.

      KEY CONTRIBUTIONS:
      - Created the High-Level Plan and managed Key Milestones for DC Manchester Applications

Change & Project Manager

GSK

Pharmaceuticals & Medical Technology

>10.000 team member

Sector: Pharmacy IT SSC industry ??- Global Operating Model ?- Transformation
Project type: ???VOIP Telephony Systems and Infrastructure modernisation & Digital Adoption

?In my role, I managed Telephony & Contact Centre transformation and business & organizational change projects, ensuring seamless transitions and optimal performance.
?Conducted strategic change impact analysis and coordinated change plan to align with organisational objectives.
?Led the management of the global software upgrade Release & Deployment Project, ensuring timely and effective upgrades across all relevant systems.
?Led and maintain all Change Management communication channels.
?Prepared and coordinated the detailed Training Plan for each company site , department and each process team.

NOTABLE ACCOMPLISHMENTS:?
?Improved the telephony departament digital changes process, achieving 100% SLA performance KPIs.
?Managed succesfully deployment process of the global Cisco Gateways IOS Software Update project as the GSK Owner across 80 GSK locations (only 4 major incidents during the project)
?Build strategic approach and launched organisational change process
? Recognised as a Change Champion in ServiceNow system migration project
? Nominated for the GSK Global Employee Recognition award in 2019

Voice & Contact Centre Systems IT Administrator

Orange

Telecommunications

>10.000 team member

Administered Unified Communications & voice systems whilst focusing on VOIP platforms. Implemented change management processes for GENESYS and NICE VOIP platforms. Oversaw system configurations, including scheduling, backup, and maintenance activities to improve operational efficacy.
Key Contributions:
  • Boosted revenue and minimised costs by creating five call centre campaigns using Genesys software.
  • Devised a strategic routing strategy and enhanced communication efficiency across Orange company platforms.

Procure to Pay Analyst – PtP business process migration to SAP

Cargill

Other

>10.000 team member

Main Tasks * JD Edwards to SAP FI migration of the Procure to Pay (P2P) accounting business process. Transition support of the
Accounts Payable activity in Cargill Poland unit. Member of the Migration team.
* Creation of procedures and guidelines for the P2P process. Business process responsibility to align Cargill Poland
business unit requirements with the Cargill company FSS Service Catalogue in this area

Achievements * Transfigured the company accounting department from JDE Edwards to SAP FI.

Avaya Voice Service Specialist (Service Desk)

Convergys (Concentrix)

Internet & IT

>10.000 team member

Main Tasks * Diagnosed and rectified voice and data communications-related operational issues for AVAYA clients.
* Organized direct tier 1 and 2 voice-over-internet protocol support.
* Rectified Avaya customer requests and concerns on time. Reviewed, analyzed, and evaluated system failures.
* Developed technical services support guidance documents and articles addressing service solutions and frequently
asked questions. Issued VOIP licenses and monitor system alarms.

Achievements * Attained the Avaya Support Professional Specialist certification in Proactive Contact Call Management System and
Networking Switches.
* Authored over 180 technical articles related to voice and unified communications.
* Co-founder of the corporate newsletter entitled Convergys Coinsider.
* Received multiple outstanding client support awards including; Voice of the Customer, Excellent Customer Experience,
Star of the Month, Team of the Month, and the Avaya Client Services Choice Award.

Technical Customer Care Specialist (IT Help Desk)

Euroccor LTD

Internet & IT

500-1000 team member

Main Tasks * Delivered high-quality multilingual technical solutions to Newell Dymo label printers customers in Europe and USA.
* Supplied technical support to Dymo end-users, network users, and troubleshooting. Synchronized promotion and
action plans by applying collaborative approaches to secure business targets.

Achievements * Received 88% customer representative satisfaction rating improving the customer experience.
* Achieved 100% first time testing resolution. Drove the net promoter score to 100% after 12 months.
* Awarded the Raving Fun Award of the Month for exceeding best customer satisfaction ratings.

Certificates

PMI Change Management for Projects

PMI

2021

PMI Driving Mearurable, Sustainable Change

PMI

2021

Change Management Road to Execution

LinkedIn

2021

Change Management Road to Planning

LinkedIn

2021

Implementing Change Effectively

LinkedIn

2021

Leading Change in a Large, Distributed Organization

LinkedIn

2021

PMI Business Improvement Foundations

PMI

2021

PMI Business Process Improvement

PMI

2021

PMI Leading with Innovation

PMI

2021

Scrum Foundation

Learning Tree International

2018


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