Peter Kostić - Next Level Coach Sales Accelerator Business

Q: Where is Peter based?

Peter is based in Verden (Aller), Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Peter speak?

Peter speaks the following languages: German (Native), English (Advanced), French (Elementary), Italian (Elementary), Russian (Elementary), Turkish (Elementary) .

Q: How many years of experience does Peter have?

Peter has at least 34 years of experience. During this time, Peter has worked in at least 4 different roles and for 4 different companies . The average length of individual experience is 9 years and 6 months . Note that Peter may not have shared all experience and actually has more experience.

Q: What is Peter's latest experience?

Peter's most recent position is Next Level Coach Sales Accelerator Business at Self-employed .

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

In recent years, Peter has worked for Self-employed , Siemens , Stadt Nürnberg / Land Bayern , and T-Systems .

Q: Which industries is Peter most experienced in?

Peter is most experienced in industries like Telecommunication , Education , and Professional Services . Peter also has some experience in Manufacturing .

Q: Which business areas is Peter most experienced in?

Peter is most experienced in business areas like Information Technology (IT) , Customer Service , and Project Management . Peter also has some experience in Product Development , Sales , and Human Resources (HR) .

Q: Which industries has Peter worked in recently?

Peter has recently worked in industries like Telecommunication , Education , and Professional Services .

Q: Which business areas has Peter worked in recently?

Peter has recently worked in business areas like Information Technology (IT) , Customer Service , and Project Management .

Recommended expert

Verden (Aller), Germany

Experience

Aug 2020 - Present

5 years 7 months

Next Level Coach Sales Accelerator Business

Self-employed

Provided coaching in sales acceleration methodologies
Developed and delivered next-level sales strategies and training programs

Aug 2020 - Present

5 years 7 months

Azubi Trainer

Siemens

Trained apprentices in technical and vocational skills
Designed and implemented training curricula for Siemens Azubis

Aug 2008 - Present

17 years 7 months

Senior Professional Teacher

Stadt Nürnberg / Land Bayern

Taught electrical engineering, IT, mathematics, technology, social studies, politics, and German at FOS/BOS and vocational schools
Developed 5 000 pages of digital teaching materials on iPad with cloud integration for hybrid home office use as a reference system for the city of Nürnberg and the state of Bayern

Jan 1992 - Present

34 years 2 months

Senior Service Telecommunications Manager

T-Systems

Managed global key account postsales telecom services for major clients including Deutsches Wissenschaftsnetz, Conrad Elektronik, BAMF, Deutsche Rentenversicherung, HUK-Coburg, Kaeser Kompressoren, S. Oliver, Takata Petri
Ordered local and global MPLS data lines in WAN/LAN environments
Programmed Cisco routers and configured SNMP on UNIX systems
Oversaw exclusive billing processes in due diligence
Conducted change management for hardware, software, and add-on services including SaaS, mobile, and security solutions
Handled incident management at 1st, 2nd, and last level
Led escalation discussions from service technicians to board-level executives
Led IT rollout projects
ITIL certified in service management

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 Telecommunication (34 years), Education (17.5 years), Professional Services (5.5 years), and Manufacturing (5.5 years).

Telecommunication

Education

Professional Services

Manufacturing

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 Information Technology (34 years), Customer Service (34 years), Project Management (34 years), Product Development (17.5 years), Sales (5.5 years), and Human Resources (5.5 years).

Information Technology

Customer Service

Project Management

Product Development

Sales

Human Resources

Summary

15 years as a pro teacher: Diplom Senior Professional Teacher, Master of Education in ET/IT, Technical University of Munich, very good in mathematics.
15 years as a pro-senior IT telecommunications/migration/service manager in international key account postsales including ordering local and global MPLS data lines in WAN/LAN environments, hands-on programming of Cisco routers, SNMP setup on UNIX, exclusive billing in due diligence, and change management for hardware, software, or add-on services from server SaaS, mobile, or security solutions; incident handling at 1st, 2nd and last level; escalation talks from service technicians to board level executives
Project management in IT rollouts
ITIL certified at Excellence Campus (ITSM)
International customer and people orientation, sports, travel, next-level IT, strategic vision and smart execution, goal-oriented leadership skills

Skills

Honesty: Very Reliable, Punctual, Neat "German" Work; Building And Maintaining Strong, Lasting Customer Relationships And Promoting Collaboration To Stubbornly Achieve Our Sales Goals When The Goal Is Clearly Smart.
Boldness: Privately Booked Sales Accelerator From Tom Eiberger Consulting For €7,560 During The 2020-22 Home Office Phase And A Second "Late" Turbo Study As Pro-teacher From 2008 To 2010 In Two Years And Two Months: Scored Very Well In Mathematics, To Solve Multidimensional Puzzles Together With Eloquence And Strategy.
Trust: Three Decades Of Experienced And Professional Work Style As An International Senior It Manager At T-systems; Experienced Escalation From Service Technicians To Board Level Executives
Freedom For Multidisciplinary And Multinational Teams In Consulting And Transitions
Fun: I Am An Adventurous Person (Sagittarius), Who Does Not Know The Word "Impossible" And Enjoys Venturing Into The Unknown. Hobbies: E-mtb, Yoga
"Modesty Is A Virtue" But I Know What I Know And What I Don't Know, And How To Keep That Gap So Small That The Customer Is More Than Satisfied And Signs Again.
Hands-on Team And Project Leadership Plus Professional Synergy As An It Expert In Key Account Service Business And People Management Combined With A Communicative Pro-teacher In One Person. => Maximum Competence, As Both A Technical And A People-focused Double Graduate.

Languages

German

Native

English

Advanced

French

Elementary

Italian

Elementary

Russian

Elementary

...and 1 more

Education

Oct 2008 - Jun 2010

Technical University of Munich

Master of Education, ET/IT · Electrical Engineering/IT, Mathematics · Munich, Germany · Very good in mathematics

Diploma in Engineering · Diploma in Engineering

Diploma in Vocational Pedagogy · Vocational Pedagogy

Certifications & licenses

Siemens Apprentice Trainer

Sales Accelerator Up

Satellite Reception Technology

NQS Forum

Workshop for Media Concepts

Drive / Automation Technology

Protection Measures / VDE

Simatic S7 and TIA Portal

VDE 0100

LEGO Mindstorms

NBQ331 IntraSelect "NEW"

SAP-TALIS Network Dialog for IntraSelect

Standard Price Calculation New

Service Management Goes Change

Service/Delivery Management Cam- Pus Foundation: Excellence

Security in the Company

Compliance Cartel Law in a Team. Part 1 and Part 2

Leadership Skills for Beginners

Foundation Certificate In IT Service Management

TÜV Academy

L0 07 Product Specifics

LO 01 SAP Basis CSM

MPLS for Customer Advisors

Service Management Campus – Rush

Managing Conflicts Successfully

MS Access 97

Network Technologies

Leading Projects

Customer-Oriented Communication

NMC Operator Training

Trainee Program for Customer Network Managers

ATM Internetworking

IDNX/Netopen 5000 Operations

Moderation Training I and II

Presentation Training

Standard Price Calculation

Win-Win: Strategic Selling

Profile

Created

November 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Peter based?

Peter is based in Verden (Aller), Germany and can operate in on-site, hybrid, and remote work models.

What languages does Peter speak?

Peter speaks the following languages: German (Native), English (Advanced), French (Elementary), Italian (Elementary), Russian (Elementary), Turkish (Elementary).

How many years of experience does Peter have?

Peter has at least 34 years of experience. During this time, Peter has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 9 years and 6 months. Note that Peter may not have shared all experience and actually has more experience.

What roles would Peter be best suited for?

Based on recent experience, Peter would be well-suited for roles such as: Next Level Coach Sales Accelerator Business, Azubi Trainer, Senior Professional Teacher.

What is Peter's latest experience?

Peter's most recent position is Next Level Coach Sales Accelerator Business at Self-employed.

What companies has Peter worked for in recent years?

In recent years, Peter has worked for Self-employed, Siemens, Stadt Nürnberg / Land Bayern, and T-Systems.

Which industries is Peter most experienced in?

Peter is most experienced in industries like Telecommunication, Education, and Professional Services. Peter also has some experience in Manufacturing.

Which business areas is Peter most experienced in?

Peter is most experienced in business areas like Information Technology (IT), Customer Service, and Project Management. Peter also has some experience in Product Development, Sales, and Human Resources (HR).

Which industries has Peter worked in recently?

Peter has recently worked in industries like Telecommunication, Education, and Professional Services.

Which business areas has Peter worked in recently?

Peter has recently worked in business areas like Information Technology (IT), Customer Service, and Project Management.

What is Peter's education?

Peter holds a Master in Electrical Engineering/IT, Mathematics from Technical University of Munich and a Bachelor in Diploma in Engineering.

Does Peter have any certificates?

Peter has 36 certificates. Among them, these include: Siemens Apprentice Trainer, Sales Accelerator Up, and Satellite Reception Technology.

What is the availability of Peter?

Peter is immediately available full-time for suitable projects.

What is the rate of Peter?

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