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Mariusz Siek Email & Phone Number
Senior Consultant
at
OPTIMATIS - ITSM/ESM Solution Partner
1 work email found
@aviva.com
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Consultant
Location
Warsaw Metropolitan Area, Poland, Poland
Company size
Who is Mariusz Siek? Overview
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Quick answer
Mariusz Siek is listed as Senior Consultant at OPTIMATIS - ITSM/ESM Solution Partner, a company with 22 employees, based in Warsaw Metropolitan Area, Poland, Poland. AeroLeads shows a work email signal at aviva.com and a matched LinkedIn profile for Mariusz Siek.
Mariusz Siek previously worked as ITIL 4 Trainer at Asseco Data Systems and Maintenance Coordinator at Asseco Data Systems. Mariusz Siek holds Master Of Science, Electronics from Warsaw University Of Technology.
Company email context
Email format at OPTIMATIS - ITSM/ESM Solution Partner
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{first}.{last}@aviva.com
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AeroLeads found 1 current-domain work email signal for Mariusz Siek. Compare company email patterns before reaching out.
Profile bio
About Mariusz Siek
ITIL Expert with over 18 years' experience in IT service management. Designed, developed, implemented and maintained ITIL processes, such as: incidents, problems, changes, configurations and service level management.As a Service Level Manager, I prepared, negotiated and agreed service catalogues and SLAs for Asseco Poland (CEPiK) and Aviva (moja.aviva.pl, ING Travel). I supported projects as an IT Systems Maintenance Manager using the PRINCE2 (Odprawa SG) and Agile methodologies. I managed a team of administrators who implemented and maintained IT systems (Odprawa SG, ŚKUP), as well as ITIL service managers. Well organized, independent, focused on achieving goals, able to build and maintain excellent rapport with colleagues, cheerful, positive, optimistic, Insights Discovery (73% blue).
Listed skills include It Service Management, Itil, Incident Management, It Management, and 25 others.
Current workplace
Mariusz Siek's current company
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Optimatis - Itsm/Esm Solution Partner
13 roles
Mariusz Siek work experience
A career timeline built from the work history available for this profile.
Itil 4 Trainer
CurrentConducting service management training according to ITIL4 best practices. Stationary and online training.
May 2021 - Present
Maintenance Coordinator
Jun 2022 - Apr 2024
Co-Founder And Co-Owner
Current
Aug 2019 - Present
Itsm And Itil Expert | Service Level Manager | Service Catalogue And Sla Expert
Current
Self-Employed
* Creating a service catalogue provided by an IT organization for business* Defining and agreeing with the business the required level of services (SLA) * Conducting activities that ensure compliance with the required level of services (SLA)* Verification of the content of contracts with IT suppliers* Organization of work of support and maintenance teams.
Nov 2017 - Present
Head Of Customer Service & Support
Feb 2019 - Aug 2019
It Business Partner
Defining new IT services and their requirements for SLAAgreeing SLA requirements with business and IT support teamsSupervision of the Incident Management process in accordance with the requisite repair times (SLA)Support for IT managers in achieving the objectives for specific business areas Diagnose problems in the field of IT solutions Proactive support.
Feb 2016 - Oct 2017
Service Management Manager
IT Service Management based on ITIL best practises for processes: Service Level Management, Capacity Management, Continuity Management, Incident Management, Problem Management, Change Management and Configuration Management.Defining, creating and development of service catalogue.Defining, negotiating and agreeing Service Level Agreement (SLA).Monitoring.
Jan 2011 - Jan 2016
Senior Technology Specialist
Service level management (SLM) based on ITIL.Creating and maintaing service catalog.Defaining and negotiating SLA.Defining and deployment incident and change management processes.
Jan 2007 - Dec 2010
It Consultant
Softbank Sa
Maintenance of IT infrastructure (hardware and software)Second line help-desk support.Tivoli Storage Manager, Tivoli Monitoring
Jan 2004 - Dec 2006
Sep 2001 - Dec 2003
Jun 1999 - Aug 2001
Asistant
Central Institut For Labour Protection (Ciop)
Designing and creating level dependent ear-muffs.
Jun 1998 - May 1999
Team & coworkers
Colleagues at OPTIMATIS - ITSM/ESM Solution Partner
Other employees you can reach at optimatis.pl. View company contacts for 22 employees →
AW
Adrian Wika
Colleague at Optimatis - Itsm/Esm Solution PartnerKrotoszyn, Wielkopolskie, Poland, Poland
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PŚ
Paweł Świdziński
Colleague at Optimatis - Itsm/Esm Solution PartnerWarsaw, Mazowieckie, Poland, Poland
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KD
Karolina Dylewicz
Colleague at Optimatis - Itsm/Esm Solution PartnerSzczecin, Zachodniopomorskie, Poland, Poland
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AS
Artur Sygnatowicz
Colleague at Optimatis - Itsm/Esm Solution PartnerWarsaw, Mazowieckie, Poland, Poland
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JP
Jakub Pielużek
Colleague at Optimatis - Itsm/Esm Solution PartnerŁódź, Łódzkie, Poland, Poland
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ŁW
Łukasz Wilga
Colleague at Optimatis - Itsm/Esm Solution PartnerKatowice, Śląskie, Poland, Poland
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FT
Filip Tomaszewski
Colleague at Optimatis - Itsm/Esm Solution PartnerPoznan Metropolitan Area, Poland
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MM
Marek Mlonka
Colleague at Optimatis - Itsm/Esm Solution PartnerWarsaw, Mazowieckie, Poland, Poland
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PM
Paweł Morawski
Colleague at Optimatis - Itsm/Esm Solution PartnerŁódź, Łódzkie, Poland, Poland
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OB
Olga Balkiewicz- Taciak
Colleague at Optimatis - Itsm/Esm Solution PartnerMiłomłyn, Warmińsko-mazurskie, Poland, Poland
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Adrian Wika
Colleague at Optimatis - Itsm/Esm Solution PartnerKrotoszyn, Wielkopolskie, Poland, Poland
View →
PŚ
Paweł Świdziński
Colleague at Optimatis - Itsm/Esm Solution PartnerWarsaw, Mazowieckie, Poland, Poland
View →
KD
Karolina Dylewicz
Colleague at Optimatis - Itsm/Esm Solution PartnerSzczecin, Zachodniopomorskie, Poland, Poland
View →
AS
Artur Sygnatowicz
Colleague at Optimatis - Itsm/Esm Solution PartnerWarsaw, Mazowieckie, Poland, Poland
View →
JP
Jakub Pielużek
Colleague at Optimatis - Itsm/Esm Solution PartnerŁódź, Łódzkie, Poland, Poland
View →
ŁW
Łukasz Wilga
Colleague at Optimatis - Itsm/Esm Solution PartnerKatowice, Śląskie, Poland, Poland
View →
FT
Filip Tomaszewski
Colleague at Optimatis - Itsm/Esm Solution PartnerPoznan Metropolitan Area, Poland
View →
MM
Marek Mlonka
Colleague at Optimatis - Itsm/Esm Solution PartnerWarsaw, Mazowieckie, Poland, Poland
View →
PM
Paweł Morawski
Colleague at Optimatis - Itsm/Esm Solution PartnerŁódź, Łódzkie, Poland, Poland
View →
OB
Olga Balkiewicz- Taciak
Colleague at Optimatis - Itsm/Esm Solution PartnerMiłomłyn, Warmińsko-mazurskie, Poland, Poland
View →
3 education records
Mariusz Siek education
Master Of Science, Electronics
Schtuffe Vier, Language Course Of German
Electronic Technician, Electric And Electronic Industrial Automatic
Technikum Elektroniczne W Radomiu
FAQ
Frequently asked questions about Mariusz Siek
Quick answers generated from the profile data available on this page.
What company does Mariusz Siek work for?
Mariusz Siek works for OPTIMATIS - ITSM/ESM Solution Partner.
What is Mariusz Siek's role at OPTIMATIS - ITSM/ESM Solution Partner?
Mariusz Siek is listed as Senior Consultant at OPTIMATIS - ITSM/ESM Solution Partner.
What is Mariusz Siek's email address?
AeroLeads has found 1 work email signal at @aviva.com for Mariusz Siek at OPTIMATIS - ITSM/ESM Solution Partner.
Where is Mariusz Siek based?
Mariusz Siek is based in Warsaw Metropolitan Area, Poland, Poland while working with OPTIMATIS - ITSM/ESM Solution Partner.
What companies has Mariusz Siek worked for?
Mariusz Siek has worked for Optimatis - Itsm/Esm Solution Partner, Asseco Data Systems, Manufaktura Kwasu, Self-Employed, and Xplus.
Who are Mariusz Siek's colleagues at OPTIMATIS - ITSM/ESM Solution Partner?
Mariusz Siek's colleagues at OPTIMATIS - ITSM/ESM Solution Partner include Adrian Wika, Paweł Świdziński, Karolina Dylewicz, Artur Sygnatowicz, and Jakub Pielużek.
How can I contact Mariusz Siek?
You can use AeroLeads to view verified contact signals for Mariusz Siek at OPTIMATIS - ITSM/ESM Solution Partner, including work email, phone, and LinkedIn data when available.
What schools did Mariusz Siek attend?
Mariusz Siek holds Master Of Science, Electronics from Warsaw University Of Technology.
What skills is Mariusz Siek known for?
Mariusz Siek is listed with skills including It Service Management, Itil, Incident Management, It Management, Service Delivery, Prince2, Change Management, and Team Management.
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