Alexander Sonntag - Senior Contract Manager, Cyber Security

Recommended expert

Ruhmannsfelden, Germany

Check rate

Experience

Mar 2023 - Dec 2025

2 years 10 months

Düsseldorf, 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 10 months

Germany

Freelance IT Auditor

Conducting audits according to the ISAE 34023, ISO 27001, ISO 9001 and IDW PS 880 standards

Oct 2019 - Present

6 years 11 months

Ruhmannsfelden, Germany

Operations Manager and Owner

Part-time agricultural business Pulvermühle

Sep 2017 - Feb 2019

1 year 6 months

Sabbatical, parental leave

Apr 2015 - Aug 2017

2 years 5 months

Frankfurt, Germany

Account Manager for Lufthansa Technik Hamburg & Sofia

IBM Aviation Industry Workplace Services (AIWS) GmbH

Mar 2006 - Sep 2019

13 years 7 months

Zachenberg, Germany

Operations Manager and Owner

Pensionspferdeanlage Wandelmühle

Sep 2000 - Mar 2015

14 years 7 months

Frankfurt, 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 months

Frankfurt 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 months

Frankfurt, 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 months

Mainz, Germany

Bank Clerk

Landesbank Rheinland-Pfalz

Work in the Deutsche Terminbörse project team
Work in the staff of the Securities Department

Industry Experience

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

Experienced in Agriculture, Aerospace and Defense, Professional Services, Banking and Finance, Information Technology, and Transportation.

Agriculture

Aerospace and Defense

Professional Services

Banking and Finance

Information Technology

Transportation

Business Area Experience

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

Experienced in Operations, Project Management, Sales, Customer Service, Audit, and Finance.

Operations

Project Management

Sales

Customer Service

Audit

Finance

Languages

German

Native

English

Advanced

Spanish

Elementary

French

Elementary

Italian

Elementary

Education

Jun 1989 - Dec 1992

Landesbank Rheinland-Pfalz

Bank Clerk · Mainz, Germany

Certifications & licenses

DEKRA

Conflict Management

Lufthansa School of Business

Problem Management

Lufthansa School of Business

Project Manager Modules A, C

Lufthansa School of Business

Statistics

Experience

Total positions 10

Experience in Agriculture 20.5 y

Avg length 5 y 2 m

Longest experience 14 y 6 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Senior Contract Manager in the Cyber Security Field, Operations Manager and Owner, Sabbatical, parental leave

Main industries Agriculture, Aerospace and Defense, Professional Services

Main business areas Operations, Project Management, Sales

Qualifications

Certifications earned 6

Profile

Created

February 2026

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Frequently asked questions

Have questions? Find more information here.

Alexander is based in Ruhmannsfelden, Germany and can operate in on-site, hybrid, and remote work models.

Alexander speaks the following languages: German (Native), English (Advanced), Spanish (Elementary), French (Elementary), Italian (Elementary).

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.

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.

Alexander's most recent position is Senior Contract Manager in the Cyber Security Field at Water IT Security GmbH.

In recent years, Alexander has worked for Water IT Security GmbH, Freelance IT Auditor, and Part-time agricultural business Pulvermühle.

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, and Transportation.

Alexander is most experienced in business areas like Operations, Project Management, and Sales. Alexander also has some experience in Customer Service, Audit, and Finance.

Alexander has recently worked in industries like Agriculture, Professional Services, and Information Technology.

Alexander has recently worked in business areas like Operations, Audit, and Legal.

Alexander attended Landesbank Rheinland-Pfalz for Bank Clerk.

Alexander has 6 certificates. Among them, these include: Data Protection Specialist, ITIL 3.0 Foundation, and Conflict Management.

Alexander is immediately available full-time for suitable projects.

Daily Rate Distribution

0 2 4 6 8

<€320 €480-640 €640-800 €800-960 €960-1120 €1120+

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.

Average rates for similar positions

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

800

600

400

200

Daily rate avg. 753 €

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

800

600

400

200

Median rate 720 €

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.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.