Marcin Strzelecki
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Marcin Strzelecki Email & Phone Number

Starszy specjalista w Polskie Sieci Elektroenergetyczne S.A. at Polskie Sieci Elektroenergetyczne S.A.
Location: Warsaw, Mazowieckie, Poland 7 work roles 2 schools
1 work email found @t-mobile.pl LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

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Current company
Polskie Sieci Elektroenergetyczne S.A.
Role
Starszy specjalista w Polskie Sieci Elektroenergetyczne S.A.
Location
Warsaw, Mazowieckie, Poland
Company size
604 employees

Who is Marcin Strzelecki? Overview

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Marcin Strzelecki is listed as Starszy specjalista w Polskie Sieci Elektroenergetyczne S.A. at Polskie Sieci Elektroenergetyczne S.A., a company with 604 employees, based in Warsaw, Mazowieckie, Poland. AeroLeads shows a work email signal at t-mobile.pl and a matched LinkedIn profile for Marcin Strzelecki.

Marcin Strzelecki previously worked as Starszy specjalista at Polskie Sieci Elektroenergetyczne S.A. and Specjalista ds. Rozwoju Aplikacji Biznesowych at Optima Logistics Group Sa. Marcin Strzelecki holds Master'S Degree, Journalism And Public Relations from Akademia Humanistyczna Im. Aleksandra Gieysztora.

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Email format at Polskie Sieci Elektroenergetyczne S.A.

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{first}.{last}@t-mobile.pl
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Profile bio

About Marcin Strzelecki

Currently responsible for:- continuous improvement of applications and services.- providing support for users- administering applications based on Windows Servers and MS SQL Databases.- implementing upgrades, releases and deployments of the applications.- testing new solutions, building application support knowledge base.Previously, at T-Mobile, responsible for maintaining, administering and improvement applications and databases for Accounts Receivable Unit, cooperation with banks and payment services providers, diagnosing and solving hardware or software faults, improvement of financial data import systems, collect and allocate payments system, archiving documents system.- as a Specialist for Accounts Receivable responsible for direct debit service, relocation and settlement payments on customers accounts, processing credit card payments- as Junior Specialist for settlements with Dealers at PTC Era, reconciliations of agents accounts, posting of receivables from authorized agents and distributors

Listed skills include T Sql, Microsoft Sql Server, Ms Sql Reporting Services, Active Directory, and 9 others.

Current workplace

Marcin Strzelecki's current company

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Polskie Sieci Elektroenergetyczne S.A.
Polskie Sieci Elektroenergetyczne S.A.
Starszy specjalista w Polskie Sieci Elektroenergetyczne S.A.
Website
pse.pl
Employees
604
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7 roles · 28 years

Marcin Strzelecki work experience

A career timeline built from the work history available for this profile.

Specjalista Ds. Rozwoju Aplikacji Biznesowych

Optima Logistics Group Sa

Warszawa, woj. Mazowieckie, Polska

Utrzymanie i rozwój aplikacji klasy ERP: SPEED TSL - transport spedycja, logistyka i SAGE ERP -Finanse i Księgowość oraz Kadry i Płace. Obsługa incydentów i awarii. Współpraca z dostawcami w zakresie rozwoju i utrzymania aplikacji. Tworzenie dokumentacji utrzymaniowej. Testy przedwdrożeniowe, utrzymywanie środowisk testowych.

Apr 2018 - Nov 2021

Senior Specialist For Processes Support

T-Mobile Polska

Warszawa, woj. Mazowieckie, Polska

- maintaining workflow system of resolving customer queries foraccounts receivable and correcting invoices, - improvement of financial data import systems, collect andallocate payments system, archiving documents system - troubleshooting application and hardware problems, diagnosingand solving hardware or software faults - cooperation with banks and.

2011 - Apr 2016

Specialist For Processes Support

T-Mobile Polska

Warszawa, woj. Mazowieckie, Polska

- workflow system operator, digitization and archiving of financialdocuments- downloading bank statements, payment transaction files andpayment confirmations files

2007 - 2011 ~4 yrs

From Junior To Specialist For Accounts Receivable

Polska Telefonia Cyfrowa Sp. Z O.O.

Warszawa, woj. Mazowieckie, Polska

- direct debit service, researching and resolving paymentdiscrepancies- relocation and settlement payments on customers' accounts- performing account reconciliations- collection and allocation of payments- processing credit card payments, direct debit service

2003 - 2007 ~4 yrs

Junior Specialist For Settlements With Dealers

Polska Telefonia Cyfrowa Sp. Z O.O.

Warszawa, woj. Mazowieckie, Polska

- posting of receivables from authorized agents and distributors- reconciliations of agents accounts

1998 - 1999 ~1 yr
Team & coworkers

Colleagues at Polskie Sieci Elektroenergetyczne S.A.

Other employees you can reach at pse.pl. View company contacts for 604 employees →

MK Michał Kawalec Michał Kawalec Colleague at Polskie Sieci Elektroenergetyczne S.A.Piaseczno, Mazowieckie, Poland, Poland View → BK Bartłomiej Kanclerz Bartłomiej Kanclerz Colleague at Polskie Sieci Elektroenergetyczne S.A.Strachówka, Mazowieckie, Poland, Poland View → DŁ Daniel Łapiński Daniel Łapiński Colleague at Polskie Sieci Elektroenergetyczne S.A.Babino, Podlaskie, Poland, Poland View → PK Piotr Kubista Piotr Kubista Colleague at Polskie Sieci Elektroenergetyczne S.A.Śląskie, Poland, Poland View → AD Adam Daramola Adam Daramola Colleague at Polskie Sieci Elektroenergetyczne S.A.Warsaw, Mazowieckie, Poland, Poland View → PW Paweł Wilczak Paweł Wilczak Colleague at Polskie Sieci Elektroenergetyczne S.A.Poland, Poland View → BG Bartosz Gutowski Bartosz Gutowski Colleague at Polskie Sieci Elektroenergetyczne S.A.Gdańsk, Pomorskie, Poland, Poland View → AS Agata Słupecka Agata Słupecka Colleague at Polskie Sieci Elektroenergetyczne S.A.Żyrardów, Mazowieckie, Poland, Poland View → MS Marek Strójwąs Marek Strójwąs Colleague at Polskie Sieci Elektroenergetyczne S.A.Piaseczno, Mazowieckie, Poland, Poland View → MK Mateusz Kurek Mateusz Kurek Colleague at Polskie Sieci Elektroenergetyczne S.A.Warsaw, Mazowieckie, Poland, Poland View →
2 education records

Marcin Strzelecki education

Master'S Degree, Journalism And Public Relations

Akademia Humanistyczna Im. Aleksandra Gieysztora
FAQ

Frequently asked questions about Marcin Strzelecki

Quick answers generated from the profile data available on this page.

What company does Marcin Strzelecki work for?

Marcin Strzelecki works for Polskie Sieci Elektroenergetyczne S.A..

What is Marcin Strzelecki's role at Polskie Sieci Elektroenergetyczne S.A.?

Marcin Strzelecki is listed as Starszy specjalista w Polskie Sieci Elektroenergetyczne S.A. at Polskie Sieci Elektroenergetyczne S.A..

What is Marcin Strzelecki's email address?

AeroLeads has found 1 work email signal at @t-mobile.pl for Marcin Strzelecki at Polskie Sieci Elektroenergetyczne S.A..

Where is Marcin Strzelecki based?

Marcin Strzelecki is based in Warsaw, Mazowieckie, Poland while working with Polskie Sieci Elektroenergetyczne S.A..

What companies has Marcin Strzelecki worked for?

Marcin Strzelecki has worked for Polskie Sieci Elektroenergetyczne S.A., Optima Logistics Group Sa, T-Mobile Polska, and Polska Telefonia Cyfrowa Sp. Z O.O..

Who are Marcin Strzelecki's colleagues at Polskie Sieci Elektroenergetyczne S.A.?

Marcin Strzelecki's colleagues at Polskie Sieci Elektroenergetyczne S.A. include Michał Kawalec, Bartłomiej Kanclerz, Daniel Łapiński, Piotr Kubista, and Adam Daramola.

How can I contact Marcin Strzelecki?

You can use AeroLeads to view verified contact signals for Marcin Strzelecki at Polskie Sieci Elektroenergetyczne S.A., including work email, phone, and LinkedIn data when available.

What schools did Marcin Strzelecki attend?

Marcin Strzelecki holds Master'S Degree, Journalism And Public Relations from Akademia Humanistyczna Im. Aleksandra Gieysztora.

What skills is Marcin Strzelecki known for?

Marcin Strzelecki is listed with skills including T Sql, Microsoft Sql Server, Ms Sql Reporting Services, Active Directory, Windows Xp >7 >8 >10, Iis 7, Pl/Sql, and Ssis.

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