Stefan Ullerich - SAP S/4HANA IT Operations Manager RISE

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Feldbrunnen, Switzerland

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Experience

Sep 2024 - Present

2 years 3 months

Munich, Germany

Workstream Lead Solution Delivery / IT Operations Manager SAP S4/HANA Private Cloud Edition - RISE

Munich Re

Lead the Solution Delivery Workstream
Serve as IT Operations Manager ad interim
Define, implement, and continuously optimize the Target Operating Model
Design and implement incident and problem management processes
Develop, maintain, and execute business continuity and disaster recovery plans, including DR testing
Ensure system availability, performance, scalability, and compliance with SLAs
Liaise between business stakeholders, SAP Basis teams, managed service providers, and cloud vendors
Oversee incident, change, and problem management processes in line with ITIL best practices
Lead service reviews and vendor performance evaluations
Coordinate patching, upgrades, and enhancement cycles with SAP AG and application operations teams
Monitor system health, performance, and security using SAP for Me
Collaborate with IT security, infrastructure, and network teams to ensure system integrity
Create, track, and manage project-related firewall requests
Develop, coordinate, and deliver cutover activities for targeted system lines

Apr 2023 - Jul 2023

4 months

Bern, Switzerland

Senior Project Manager

Swiss Fibre Net AG

Managed the concept phase for a Switzerland-wide Layer 2 product and service offering

Sep 2022 - Jan 2025

2 years 5 months

Munich, Germany

IT Operations Manager IFRS17

Munich Re

Manage the transition and transformation of IT operations to the Target Operating Model
Ensure reliable and efficient IFRS17 IT infrastructure and application releases
Maintain secure and efficient IT systems across servers, networks, and hardware
Implement and oversee IT security measures
Plan and coordinate system installations and upgrades with minimal disruption
Design and manage incident and problem management processes
Lead the IT Operations team, including stand-ups, backlog reviews, and resource allocation
Foster alignment and collaboration between IT and business teams
Develop team capabilities through training and skill gap analysis
Drive continuous improvement and process optimization
Monitor IT system and service performance, identifying areas for improvement
Manage vendor and service provider relationships
Ensure IT operations comply with laws, regulations, and industry standards
Conduct regular risk assessments and manage operational risks
Develop and maintain business continuity and disaster recovery plans
Align IT operational strategies with business goals
Lead IT-related initiatives and projects

Jun 2021 - May 2023

2 years

Opfikon, Switzerland

Senior Project Manager

Sunrise UPC

Managed the concept, design, and implementation of the target network design for a future consolidated Sunrise transport network
Developed and monitored the project plan
Managed resources, issues, risks, quality, and expectations
Coordinated overall project activities and reported to stakeholders and the project management team leader
Managed vendors and led RFx processes

Jan 2020 - Apr 2022

2 years 4 months

Zürich, Switzerland

Program/Project Manager Transition and Transformation

Atos AG

Led a cloud transformation and service integration program
Managed the transition and integration of IT infrastructure, systems, and network services to the target operating model
Acted as Team Leader for the global incident response team during a malware attack
Responsible for all project deliverables from pre-contract through the build and validation phases
Ensured program delivery on time, within scope, and on budget, in line with Atos guidelines
Established actionable deliverables and maintained communication among stakeholders
Reported to Atos senior management and the customer

May 2019 - Nov 2019

7 months

Zürich, Switzerland

Integration Project Manager - M&A

Sunrise Communications AG

Planned and delivered projects through all phases, from discovery to Day-1 and Day-100 initiatives
Developed the M&A execution platform and integration playbook
Worked with department leaders to define objectives and requirements
Led design and testing phases
Conducted stakeholder interviews and working sessions
Developed and maintained project plans and internal documents
Reported on schedule status, roadblocks, actions, and risks
Reported to senior stakeholders

Oct 2018 - May 2019

8 months

Zürich, Switzerland

Senior Project Manager TV & Terminal Engineering/ IPTV/OTT/VoD

Sunrise Communications AG

Managed the implementation of an end-to-end IPTV solution (PaaS)
Developed and monitored the project plan
Managed resources, issues, risks, quality, and expectations
Coordinated project activities and reported to stakeholders and the project management team leader
Managed vendors

Mar 2016 - Present

10 years 9 months

Feldbrunnen-St. Niklaus, Switzerland

Management consultant

Milvus Investment Partners AG

Provided business consulting, training, planning, development, program management, project management, and system engineering services

Jan 2014 - Sep 2018

4 years 9 months

Wallisellen, Switzerland

Senior Program/Project Manager/Interim Management

UPC GmbH

Served as interim Manager of the Edge Delivery Team from January 2017
Managed the relocation of major hubs and headends, including service migration and fiber-optic WAN connections
Managed CMTS infrastructure swaps and capacity expansions across Switzerland
Oversaw all programs and projects delivered by the Delivery organization and partners
Developed and implemented standard processes and tools to improve efficiency
Coordinated with network engineering, operations, and stakeholders
Managed operational and financial commitments, achieving cost savings
Developed and implemented supplier strategies
Supported delivery leads in completing tasks
Coordinated and managed client interfaces to ensure clear orders and budgets

Oct 2010 - Dec 2013

3 years 3 months

Renens, Switzerland

Project Manager

Orange Communications SA

Managed the introduction of the NT-HLR and One-NDS solution, including provisioning and OSS
Managed the renewal and migration of the mobile core network
Managed the introduction of a multi-value-added service platform (WHC/NoR, SMS, MMS, Voice Mail)
Managed the HLR upgrade and voicemail system expansion
Led a proof of concept for MOCN
Consolidated and tracked project plans and managed resources, issues, risks, quality, and expectations
Coordinated project activities and reported to stakeholders and the project management team leader
Managed vendors

Dec 2009 - Apr 2010

5 months

Zürich, Switzerland

Project Manager network work stream in a merger of two mobile carriers

Orange Communications SA

Led overall project work stream planning and execution for Day-1 readiness
Structured deliverables, resource, and budget requirements
Coordinated work stream staffing and resource allocation
Monitored and reported progress, ensuring issue resolution and risk management
Consolidated materials for IPO, sponsor, and SteerCo communication
Managed dependencies and ensured legal and group M&A compliance

Sep 2009 - Oct 2010

1 year 2 months

Zürich, Switzerland

Senior Consultant/Project Manager

Sunrise Communications AG

Managed improvement of fulfillment and assurance processes for ULL-based services
Managed implementation of Service Delivery Platform
Managed follow-up ULL program projects
Managed implementation of life-cycle management for MPLS edge routers
Led project teams and ensured achievement of objectives
Structured, planned, and monitored project schedules and teams
Managed vendors

Jun 2008 - Sep 2009

1 year 4 months

Bern, Switzerland

Senior Consultant/Business Analyst

Swisscom IT Services

Contributed to conceptual design and specification of optimized Order-to-Cash and supply chain management processes
Led development and coordination of program-level training
Introduced SAP Productivity Composer/RWD uPerform for documentation and simulations

Aug 2007 - Sep 2008

1 year 2 months

Bern, Switzerland

Technical Project Manager

Swisscom Mobile AG

Managed implementation of high-available, convergent billing mediation platform
Led design and integration of new infrastructure for mediation platform
Led migration and implementation of first services

Jun 2005 - Oct 2007

2 years 5 months

Bern, Switzerland

Project Manager/Release Manager

Swisscom Mobile AG

Managed complex service implementation and data migration projects for value-added and portal services
Collaborated with marketing, external vendors, and technology teams
Led multinational teams to design, implement, and test mobile and web applications and infrastructure
Supported improvements of project management processes

Jan 2004 - May 2005

1 year 5 months

Basel, Switzerland

Corporate Contract and Service Manager

Pharmaceutical Industry

Introduced and managed mobile voice and data, video streaming, collaboration, and IP telephony services at the corporate level
Ensured and monitored service quality from providers
Managed global service contracts for mobile and conferencing services

Oct 2003 - Jan 2004

4 months

Düsseldorf, Germany

Business Analyst/ System Engineer/ Project Manager

Telecommunication

Oct 2002 - Oct 2003

1 year 1 month

Milan, Italy

Testbed Administration Section Manager/ Testbed Administration Engineer

Telecommunication

Apr 2001 - Sep 2002

1 year 6 months

Berlin, Germany

System engineer for Mobile Internet Access and Service Networks and Mobile Data Application

Telecommunication

Aug 2000 - Apr 2001

9 months

Munich, Germany

System Engineer and 3rd level Product Support

Telecommunication

Mar 1999 - Aug 2000

1 year 6 months

Karlsruhe, Germany

Project Leader & System Engineer for Control Systems of Power Plants

Power Generations

Apr 1998 - Feb 1999

11 months

Berlin, Germany

System Engineer, Network Administrator

Facility Management

Jan 1994 - Aug 1998

4 years 8 months

Berlin, Germany

System Engineer, Project Engineer

Process Automation, Power Generation

Sep 1993 - Mar 1996

2 years 7 months

Hamburg, Germany

Network Administrator

Petrochemical Industry

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Telecommunication, Banking and Finance, Energy, Insurance, Information Technology, and Chemical.

Telecommunication

Banking and Finance

Energy

Insurance

Information Technology

Chemical

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Project Management, Information Technology, Operations, Strategy, Product Development, and Procurement.

Project Management

Information Technology

Operations

Strategy

Product Development

Procurement

Summary

Serve as an effective organizational leader and key member of senior project management, balancing stewardship responsibilities with business partnership. Act as an integrator and navigator for the organization, lead the project and operations management function effectively, and bring strong professional qualities to both the role and the organization.

Skills

Project & Program Management (Agile, Hybrid, Waterfall)
It Operations & Service Management (Itil, Incident/Problem/Change)
Cloud & Infrastructure (Sap S/4hana Pce, Microsoft Azure, Servicenow)
Network Infrastructure, It Security
M&A And Post-Merger Integration Leadership
Business Continuity & Disaster Recovery Planning
Vendor & Contract Management
Strong Stakeholder Engagement & Communication
The Ability To Set High Standards So Business Decisions Are Based On Sound Criteria
The Ability To Initiate Key Initiatives That Support The Overall Strategy
The Ability To Represent The Organisation’S Progress On Strategic Goals To External Stakeholders
The Ability To Remain Calm And Objective In All Situations
The Ability To Quickly Identify And Resolve Problems
The Ability To Recruit, Retain And Develop Talented People

Languages

German

Native

English

Advanced

Dutch

Elementary

Russian

Elementary

Education

Oct 1988 - Jun 1993

Chemnitz University of Technology

Graduate Engineer (Dipl-Ing.) · Automation Engineering · Chemnitz, Germany

Certifications & licenses

ITIL Managers Certificate In IT Service Management

Statistics

Experience

Total positions 24

Experience in Telecommunication 19 y

Avg length 2 y

Longest experience 10 y 8 m

Global experience

Countries worked in 3 (Switzerland, Germany, Italy)

Primary country Switzerland

Expertise

Recent roles Workstream Lead Solution Delivery / IT Operations Manager SAP S4/HANA Private Cloud Edition - RISE, Senior Project Manager, IT Operations Manager IFRS17

Main industries Telecommunication, Banking and Finance, Energy

Main business areas Project Management, Information Technology, Operations

Qualifications

Highest degree Bachelor

Certifications earned 2

Member since

July 2026

Last update

November 2026

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Frequently asked questions

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Stefan is based in Feldbrunnen, Switzerland.

Stefan speaks the following languages: German (Native), English (Advanced), Dutch (Elementary), Russian (Elementary).

Stefan has at least 33 years of experience. During this time, Stefan has worked in at least 23 different roles and for 16 different companies. The average length of individual experience is 1 year and 5 months. Note that Stefan may not have shared all experience and actually has more experience.

Based on recent experience, Stefan would be well-suited for roles such as: Workstream Lead Solution Delivery / IT Operations Manager SAP S4/HANA Private Cloud Edition - RISE, Senior Project Manager, IT Operations Manager IFRS17.

Stefan's most recent position is Workstream Lead Solution Delivery / IT Operations Manager SAP S4/HANA Private Cloud Edition - RISE at Munich Re.

In recent years, Stefan has worked for Munich Re, Swiss Fibre Net AG, Sunrise UPC, Atos AG, and Milvus Investment Partners AG.

Stefan is most experienced in industries like Telecommunication, Banking and Finance, and Energy. Stefan also has some experience in Insurance, Information Technology, and Chemical.

Stefan is most experienced in business areas like Project Management, Information Technology, and Operations. Stefan also has some experience in Strategy, Product Development, and Procurement.

Stefan has recently worked in industries like Banking and Finance, Insurance, and Information Technology.

Stefan has recently worked in business areas like Information Technology, Project Management, and Strategy.

Stefan holds a Bachelor in Automation Engineering from Chemnitz University of Technology.

Stefan has 2 certificates. These include: IPMA Level C and ITIL Managers Certificate In IT Service Management.

Stefan will be available full-time from January 2027.

Daily rate distribution

0% 25% 50% 75% 100%

<€800 €800-1200 €1200-1600 €1600+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1400

1050

700

350

Daily rate avg. 1075 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1400

1050

700

350

Median rate 1200 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 5 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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