08/19/2026 updated

**** ******** ****
not available
info: not available until 03/01/2027

Infrastructure Project & Programme Manager | PMP | PSM I

Bratislava, Slovakia
Worldwide
Masters degree in Applied Informatics, Slovak University of Technology in Bratislava
Bratislava, Slovakia
Worldwide
Masters degree in Applied Informatics, Slovak University of Technology in Bratislava

Profile attachments

2026-08-Stefan-Jantolak-CV v2.pdf

About me

Infrastructure Project & Programme Manager (PMP, PSM I), 15+ years in network, data-centre and cloud transitions, migrations and rollouts. Directed a ~€5M carrier transition across 170+ sites in 80+ countries and a 5-into-2 data centre consolidation to decommissioning. Currently at OpenVPN.

Active DirectoryAtlassian JiraBash ShellCertified Project Management ProfessionalChange ControlChange ManagementCloud ComputingWeb DesignWeb DevelopmentE-CommerceEthernetLeadershipInformation Technology Infrastructure Libraries (ITIL)Incident ManagementIT Service ManagementNetwork SecurityProject ManagementMicrosoft ProjectOpenVPNScrum MethodologySoftware Product ManagementProgram ManagementProject Risk ManagementTransition ManagementServer VirtualizationService ManagementSoftware Project ManagementStructured CablingUser AssistanceVirtualizationProcess ManagementNetwork RoutersLifecycle ManagementGlobal Project ManagementOnboardingOffboardingTerraformIT Project Management

Project & Program Management

End-to-end delivery ownership across scope, schedule, budget and quality: RAID logs, SteerCo and executive reporting, go/no-go governance, change control. PMP certified. Currently leading cross-functional SaaS delivery programs at OpenVPN across the full SDLC.


Transition & Transformation

Directed a ~5M EUR global ICT provider transition across 170+ sites in 80+ countries (legacy MPLS to SD-WAN): vendor onboarding and exit, SLA negotiation, hypercare stabilization, service acceptance, operational readiness.


Agile & Product

Scrum Master and Product Owner (PSM I certified): agile ceremonies, backlog management, leading distributed cross-functional teams. Product Owner for an internal SIEM/security tool.


Network & Cyber Security

Zone-based network segregation, Active Directory hardening, remote-access redesign, vulnerability and lifecycle management for global network/security estates (Cisco, Fortinet, Aruba, HPE, Checkpoint), SIEM, endpoint AV/EDR, ISO 27001 gap assessment and remediation planning.


Cloud & Infrastructure

Design and build-up of secure AWS and GCP cloud infrastructure, cloud migration support, hybrid infrastructure, WAN/SD-WAN, Wi-Fi, datacenter operations, CMDB, monitoring, disaster recovery.


IT Service Management

ITIL/ITSM process design, incident management ownership, SLA governance, MSP coordination, service desk build-up.


Leadership

Built and led international teams of 10-15 FTE across locations and time zones with ~1.5M EUR yearly budget; onboarding, offboarding, removing obstacles from people’s way.


Tools & AI

Jira, Confluence, MS Project, Visio/Draw.io (UML); AI tooling (Claude, ChatGPT, Gemini) for delivery automation; familiarity with Ansible and Terraform.


Experience

Professional experience10+ years
Freelancer since2013

Languages

GermanBasic knowledgeEnglishFluentSlovakNative speakerCzechFluent

Project history

Senior Project Manager

OpenVPN Inc.

Internet & IT

Leading cross-functional, multi-regional programs (Engineering, Product, Design) delivering SaaS products across the full SDLC. Owning end-to-end delivery from initiation to release: scope, schedules, dependencies, risks and resource alignment. Acting as Scrum Master: facilitating Agile ceremonies and governance rituals, fostering accountable, high-performing engineering teams. Partnering with Engineering Owners to unblock technical and cloud infrastructure dependencies. Implementing AI-driven automation to accelerate management workflows and increase execution transparency. Executive-level reporting and continuous operational improvement.

Technical team lead and Product owner for Network and Security / Cyber Defence team

Alfred Kärcher GmbH & Co. KG

Industry & Mechanical Engineering

>10.000 team member

Leading a diverse team located in multiple geographical locations and time zones. Designing processes to enable agile approaches to operations and projects. Development and implementation of related ICT strategy ensuring the delivery of required services to our customers – internal and external. Separation of the teams into dedicated Network connectivity and Cyber ​​Defense team. Overseeing the development of internal SIEM tool – as a PO and Scrum master. Yearly budgeting – Operations and Projects. Design and Build-up of cloud infrastructure in AWS, Support for the migration of IT systems into cloud.

Transition and Transformation Program manager

Alfred Kärcher GmbH & Co. KG
Leading the Transition and Transformation Program with main goal of transitioning from old to new ICT provider. Set up of operation processes and their automation. Managing internal IT team, various 3rd parties, budget and milestone oversight.

IT Project manager

Alfred Kärcher GmbH & Co. KG
Managing network and security projects as technical project manager, being able to bridge gaps between internal staff, contracting companies, management and technical experts in order to deliver expected outcomes. Notable projects: Network segregation – establishing of zone based security approach to NW Redesign of end user remote access service Hardening of Active Directory services Wi-Fi redesign and improvement

Transformation Project manager

Hewlett-Packard Enterprise
Led setup and transition of services for new customers, negotiated with suppliers, and managed implementation gaps across the full-service life cycle.

Project/change supervisor and coordinator

Hewlett-Packard
Led NW project and change implementation team, managed SPOC for customer-dedicated team, and optimized processes in BTV delivery center.

Co-founder, manager of small web projects

unitea s.r.o.
Developed and supported client's information systems and networks.

ServiceDesk manager

Comenius University in Bratislava
Led a team of 9 people, managed projects, built helpdesk center, and consulted on university IT processes.

Board member of non-profit organization, lead network administrator

Ynet
Part of strategic management of NGO, led support team, organized events, and managed network educational lab projects.

Network technician

Comenius University in Bratislava
Managed PC and LAN administration, server virtualization using VMware VI3.

Certificates

Project Management Professional (PMP)

Project Management Institute (PMI)

2024

Professional Scrum Master I (PSM I)

Scrum.org

2024

PRINCE2 Practitioner

POTIFOB Ltd.

2012

ITIL v3 Foundation

AXELOS

2011


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