Recommended expert
Alexander Sonntag
Senior Contract Manager in the Cyber Security Field
Experience
Mar 2023 - Dec 2025
2 years 10 monthsDüsseldorf, Germany
Senior Contract Manager in the Cyber Security Field
Water IT Security GmbH
- Senior Contract Manager in the Cyber Security Field
- Responsible for the SIEM/SOC of the Water IT Security group
- Data Protection Officer for the Water IT Security group (officially registered with authorities)
- Artificial Intelligence Officer for the Water IT Security group
- Member of the compliance team of the Water IT Security group
Nov 2021 - Present
4 years 4 monthsGermany
Freelance IT Auditor
- Conducting audits according to the ISAE 34023, ISO 27001, ISO 9001 and IDW PS 880 standards
Oct 2019 - Present
6 years 5 monthsRuhmannsfelden, Germany
Operations Manager and Owner
Part-time agricultural business Pulvermühle
Sep 2017 - Feb 2019
1 year 6 monthsSabbatical, parental leave
Apr 2015 - Aug 2017
2 years 5 monthsFrankfurt, Germany
Account Manager for Lufthansa Technik Hamburg & Sofia
IBM Aviation Industry Workplace Services (AIWS) GmbH
Mar 2006 - Sep 2019
13 years 7 monthsZachenberg, Germany
Operations Manager and Owner
Pensionspferdeanlage Wandelmühle
Sep 2000 - Mar 2015
14 years 7 monthsFrankfurt, Germany
Lufthansa Systems Network
- Service Delivery Manager and Service Manager
- Project Manager (PL, TPL, PM)
- Sales & Account Manager Hospitality Solutions
- Account Manager Lufthansa Technik, Hamburg & Sofia
Jul 1998 - Aug 2000
2 years 2 monthsFrankfurt am Main, Germany
Deutsche Bahn Konzern
- Leading a team of internal and external employees
- Managing the IBM mainframe (TCP/IP for MVS)
- Planning and designing active IP networks in the Network Systems Engineering department
Feb 1998 - Jun 1998
5 monthsFrankfurt, Germany
Network Administrator and Junior Project Team Member in the Banking and Stock Exchange Sector
Rost & Partner EDV Unternehmensberatung
Jun 1989 - Dec 1992
3 years 7 monthsMainz, Germany
Bank Clerk
Landesbank Rheinland-Pfalz
- Work in the Deutsche Terminbörse project team
- Work in the staff of the Securities Department
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Agriculture (20 years), Aerospace and Defense (17 years), Professional Services (4.5 years), Banking and Finance (4 years), Information Technology (3 years), and Transportation (2 years).
Agriculture
Aerospace and Defense
Professional Services
Banking and Finance
Information Technology
Transportation
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Operations (20 years), Project Management (18.5 years), Sales (17 years), Customer Service (14.5 years), Audit (4.5 years), and Finance (3.5 years).
Operations
Project Management
Sales
Customer Service
Audit
Finance
Languages
German
NativeEnglish
AdvancedSpanish
ElementaryFrench
ElementaryItalian
ElementaryEducation
Jun 1989 - Dec 1992
Landesbank Rheinland-Pfalz
Bank Clerk · Mainz, Germany
Certifications & licenses
Data Protection Specialist
DEKRA
ITIL 3.0 Foundation
Conflict Management
Lufthansa School of Business
Microsoft Certified System Engineer (MCSE)
Problem Management
Lufthansa School of Business
Project Manager Modules A, C
Lufthansa School of Business
Profile
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Alexander based?
Alexander is based in Ruhmannsfelden, Germany and can operate in on-site, hybrid, and remote work models.
What languages does Alexander speak?
Alexander speaks the following languages: German (Native), English (Advanced), Spanish (Elementary), French (Elementary), Italian (Elementary).
How many years of experience does Alexander have?
Alexander has at least 32 years of experience. During this time, Alexander has worked in at least 6 different roles and for 9 different companies. The average length of individual experience is 3 years and 2 months. Note that Alexander may not have shared all experience and actually has more experience.
What roles would Alexander be best suited for?
Based on recent experience, Alexander would be well-suited for roles such as: Senior Contract Manager in the Cyber Security Field, Operations Manager and Owner, Sabbatical, parental leave.
What is Alexander's latest experience?
Alexander's most recent position is Senior Contract Manager in the Cyber Security Field at Water IT Security GmbH.
What companies has Alexander worked for in recent years?
In recent years, Alexander has worked for Water IT Security GmbH, Freelance IT Auditor, and Part-time agricultural business Pulvermühle.
Which industries is Alexander most experienced in?
Alexander is most experienced in industries like Agriculture, Aerospace and Defense, and Professional Services. Alexander also has some experience in Banking and Finance, Information Technology (IT), and Transportation and Logistics.
Which business areas is Alexander most experienced in?
Alexander is most experienced in business areas like Operations, Project Management, and Sales. Alexander also has some experience in Customer Service, Audit, and Finance.
Which industries has Alexander worked in recently?
Alexander has recently worked in industries like Agriculture, Professional Services, and Information Technology (IT).
Which business areas has Alexander worked in recently?
Alexander has recently worked in business areas like Operations, Audit, and Legal and Compliance.
What is Alexander's education?
Alexander attended Landesbank Rheinland-Pfalz for Bank Clerk.
Does Alexander have any certificates?
Alexander has 6 certificates. Among them, these include: Data Protection Specialist, ITIL 3.0 Foundation, and Conflict Management.
What is the availability of Alexander?
Alexander will be available full-time from April 2026.
What is the rate of Alexander?
Alexander's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Alexander?
To hire Alexander, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1000
750
500
250
Market avg: 680-840 €
Market avg: 680-840 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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