Sebastian Stricker - External Workforce Procurement Advisor

Q: Where is Sebastian based?

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

Q: What languages does Sebastian speak?

Sebastian speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Sebastian have?

Sebastian has at least 16 years of experience. During this time, Sebastian has worked in at least 12 different roles and for 11 different companies . The average length of individual experience is 1 year and 4 months . Note that Sebastian may not have shared all experience and actually has more experience.

Q: What is Sebastian's latest experience?

Sebastian's most recent position is Freelance Consultant External Workforce Procurement at Carl Zeiss AG .

Q: What companies has Sebastian worked for in recent years?

In recent years, Sebastian has worked for Carl Zeiss AG , Durch Denken Vorne Consult GmbH , TÜV Saarland Seminare | DEKRA Akademie | TA Wuppertal , and STRYKERConsulting Flex HR Management .

Q: Which industries is Sebastian most experienced in?

Sebastian is most experienced in industries like Professional Services , Manufacturing , and Education . Sebastian also has some experience in Healthcare and Insurance .

Q: Which business areas is Sebastian most experienced in?

Sebastian is most experienced in business areas like Procurement , Human Resources , and Sales . Sebastian also has some experience in Project Management , Operations , and Business Intelligence .

Q: Which industries has Sebastian worked in recently?

Sebastian has recently worked in industries like Professional Services , Education , and Manufacturing .

Q: Which business areas has Sebastian worked in recently?

Sebastian has recently worked in business areas like Human Resources and Procurement .

Recommended expert

Available

Cologne, Germany

Check rate

Experience

Jul 2020 - Present

6 years 2 months

Oberkochen, Germany

Freelance Consultant External Workforce Procurement

Carl Zeiss AG

Sourcing contractors, temp labour and direct-search suppliers
Advisor to procurement and HR on a change project

May 2020 - Oct 2020

6 months

Cologne, Germany

Interim Manager Strategic Insurance Procurement & Professional Services

Zurich Insurance Germany

Strategic sourcing for Germany
Day-to-day supplier and tender management

Dec 2019 - Apr 2020

5 months

Stuttgart, Germany

Interim Manager Category External Workforce & HR Services

LeadecFM BV & Co. KG

Operational management of the temporary labour category
Advisor to the management board on changes to external workforce strategy

Feb 2019 - Present

7 years 7 months

Germany

Freelance Consultant Procurement of External Workforce

Durch Denken Vorne Consult GmbH

Strategy analysis and changes in external workforce
Tender management and negotiations with professional service suppliers
Supplier management, KPI setup and monitoring in a customized VMS environment
Expert in procurement compliance

Feb 2019 - Present

7 years 7 months

Germany

Speaker and Trainer for Professional Services and HR Procurement

TÜV Saarland Seminare | DEKRA Akademie | TA Wuppertal

Cost-saving levers in buying temporary staffing and contracting agencies
VMS-based compliance and contractual risk management
Sourcing systems: Single/Master Vendor, MSP, Neutral, and On-site
How to plan and approach tenders

Nov 2018 - Mar 2019

5 months

Berlin, Germany

External Project Manager Professional Services Procurement

KPMG AG Wirtschaftsprüfungsgesellschaft

Stabilize as firefighter for all operational / tactical urgent tasks within newly established PS-department including the challenging context of SAP Ariba rollout
Ensure compliant contracts for IT services, HR services, marketing, consulting
Develop, design and optimize procurement processes
Train existing staff and onboard new PS-department joiners
Act as primary contact for senior management and partners in Germany

Apr 2015 - Present

11 years 5 months

Germany

Consultant & Interim Mgr for FlexHR procurement & management

STRYKERConsulting Flex HR Management

Strategic sourcing, procurement and implementation of supplier management (VMS)
Temporary staffing, contracting and projects – professional services procurement in all aspects
Built up "TarifTool" for cost transparency in temporary staffing
Advise on "Make or Buy" internal vs external workforce solutions

Jan 2015 - Dec 2019

5 years

Cologne, Germany

Commercial Manager Germany & Freelance (Inhouse) Consultant

YoungCapital B.V. / YoungCapital Germany

Jan 2015 - Dec 2016

2 years

Wetzlar, Germany

Regional Commercial Operational Manager (Central Europe - CE)

Leica Microsysteme Vertriebs GmbH (Part of Danaher Corp.)

Responsible for the commercial team in Central Europe (CE), especially proposal and tender management (EU public tender rules)
Direct reporting to the Commercial Director of Europe
Liaise with relevant stakeholders within the decentralized matrix organization
Interim takeover of tasks for the vacant Country Manager D-A-CH position

Jan 2014 - Dec 2015

2 years

Cologne, Germany

Management Consultant

SOICON Management Consulting GmbH & Co. KG

Analysis, reporting and optimization of multi-project management
Contractual setup for procurement of consulting and IT freelancers
KPI reporting from SAP and manipulation in Excel for decision papers

Oct 2011 - Sep 2012

1 year

Cologne, Germany

Legal Inhouse Counsel Commercial, Contract & Labour Law

STUDITEMPS GmbH

Jan 2011 - Dec 2014

4 years

Cologne, Germany

Account & Projects Manager Key Accounts, Master Vendor Structures

STUDITEMPS GmbH

Industry Experience

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

Experienced in Professional Services, Manufacturing, Education, Healthcare, and Insurance.

Professional Services

Manufacturing

Education

Healthcare

Insurance

Business Area Experience

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

Experienced in Procurement, Human Resources, Sales, Project Management, Operations, and Business Intelligence.

Procurement

Human Resources

Sales

Project Management

Operations

Business Intelligence

Summary

Experienced procurement professional with a background in business law
Proven track record as an expert in indirect categories: Professional Services, Marketing, HR Services at strategic, tactical and operational levels
Diverse experience from the perspective of service providers, in commercial roles and supplier management
Managed projects in international matrix organizations with the ability to communicate at all levels
Strong analytical skills combined with a high social awareness for building relationships through effective stakeholder management
Experienced with technology-driven procurement processes, including SAP MM/Ariba, Coupa, and a keen eye for new IT environments
Professional negotiation skills backed by proven success in sales and business development for key accounts
Highly motivated and ready for action
Positive thinker with a sense of humor even in challenging situations

Skills

Proficient In Ms Office (Especially Excel)
Google Suite
Crms Including Salesforce.Com, Hubspot
Erps Including Sap R3, Mm, Bw
Procurement-Specific Applications Like Ariba And Coupa

Languages

German

Native

English

Advanced

Education

Oct 2004 - Mar 2011

University of Siegen

Diploma in Business Law (German diploma) · German and European Business Law · Siegen, Germany

Statistics

Experience

Total positions 12

Experience in Professional Services 15.5 y

Avg length 3 y 11 m

Longest experience 11 y 4 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Freelance Consultant External Workforce Procurement, Interim Manager Strategic Insurance Procurement & Professional Services, Interim Manager Category External Workforce & HR Services

Main industries Professional Services, Manufacturing, Education

Main business areas Procurement, Human Resources, Sales

Profile

Created

February 2023

Last Update

June 2026

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Frequently asked questions

Have questions? Find more information here.

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

Sebastian speaks the following languages: German (Native), English (Advanced).

Sebastian has at least 16 years of experience. During this time, Sebastian has worked in at least 12 different roles and for 11 different companies. The average length of individual experience is 1 year and 4 months. Note that Sebastian may not have shared all experience and actually has more experience.

Based on recent experience, Sebastian would be well-suited for roles such as: Freelance Consultant External Workforce Procurement, Interim Manager Strategic Insurance Procurement & Professional Services, Interim Manager Category External Workforce & HR Services.

Sebastian's most recent position is Freelance Consultant External Workforce Procurement at Carl Zeiss AG.

In recent years, Sebastian has worked for Carl Zeiss AG, Durch Denken Vorne Consult GmbH, TÜV Saarland Seminare | DEKRA Akademie | TA Wuppertal, and STRYKERConsulting Flex HR Management.

Sebastian is most experienced in industries like Professional Services, Manufacturing, and Education. Sebastian also has some experience in Healthcare and Insurance.

Sebastian is most experienced in business areas like Procurement, Human Resources, and Sales. Sebastian also has some experience in Project Management, Operations, and Business Intelligence.

Sebastian has recently worked in industries like Professional Services, Education, and Manufacturing.

Sebastian has recently worked in business areas like Human Resources and Procurement.

Sebastian attended University of Siegen for German and European Business Law.

Sebastian is immediately available full-time for suitable projects.

Sebastian's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

To hire Sebastian, click the Meet button on the profile to request a meeting and discuss your project needs.

Daily Rate Distribution

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

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.

1000

750

500

250

Daily rate avg. 745 €

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

1000

750

500

250

Median rate 800 €

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.