Dariusz Jancerowicz Email & Phone Number

Warsaw, Pl

Warsaw, Mazowieckie, Poland

Developing knowledge & potential of Security Architects team in scope of IAM/PAM, SIEM, network & IT infrastructure security, cloud security, endpoint security, pentesting, forensics, ...Cooperation with IT as well as Business and Management stakeholdersSupporting products development with security recommendations

Warsaw, Mazowieckie, Poland

Developing knowledge & potential of Security Architects teamImplementing security products for Mobile / Edge Security and Network Protection squad: NGFWs, SD-WANs, in-house developed products tailored to customers' needs.

Warsaw, Mazowieckie, Poland

Operating security products for T-Mobile customers - Managed Firewall / NGFW, SD-WANImplementing new security productsNew telco infrastructure pentesting

Warsaw, Poland

Working for both T-Mobile PL & international Shared Sevice in agile model,DevOPs - implementing, operating Evolved Packet Core (EPC) for B2C & B2B customers: SAEGW, S/P-GW, Radius, load-balancers etc. and PCRF for IMS servicesManaging network capacity,Leading technical implementation of TCP Optimisation, Supernet Video, Unlimited Data/Zero Rating plans, Implementing virtualised EPC running on OpenStackCollaborating with OMEC, developing & testing open source S/P-GW

Warsaw, Poland

Implementing & operating PCRFImplementing IN services: prepaid, vpn, virtual pabx etc. both proprietary & open (like OpenCloud etc) in IMS and R4 networks

* Technical Leader for first commercial introduction of Alcatel Lucent OSP 2.4 platform and enabler services in PTC* Technical Project Manager / Technical Analyst in projects of new services based on Intelligent Networks (prepaid - rating, charging and recharging): concepts, design of solutions* Writing and analysing responses to RFQs/RFIs, managing new requirements and CRs, taking part in solutions specification / design with suppliers* Supervising co-workers and collaborators in scope of configuration changes, acceptance testing etc.* Project management duties - planning, supervising, reporting, requirements management, risk management, documentation management* Acceptance testing - creating test plans, managing test teams, reporting, fault management* Service / platforms dimensioning and planning

* Technical analyst: concepts, design for solutions in mobile network services area* Driving implementation and integration of both generic IN platforms and specialised IN services* Contributing to projects related to new prepaid products offers, participation in introduction of Number Portability, MVNO, etc.* Conception and implementation of application that supports and enables easier management of Acceptance Testing * Conception and implementation of automated tariffs / configuration testing tool, with ability to verify the results, eliminating lots of boring handiwork* Introduction of Mobile Number Portability for Prepaid customers* Introduction of NSN IN@vantage platforms and participation in introduction of SRF function on HP OCMP.

* b2b applications / interfaces development with data warehouses, real time data broadcasting systems (WARSET), etc.* b2c applications - web-embedded java applications for financial / stock / market data; PC applications for investors* Webmaster duties - managing parkiet.com vertical portal (internet branch of “Gazeta Giełdy Parkiet” - a stock market newspaper)* Development of applications supporting press office* Conception and implementation of client-server application for real time broadcasting Warsaw Stock Exchange quotations to individual investors* Charting toolset implementation for technical analysis (web application)

Msc, Telecommunications

Graduated with honours. Thesis: Design and implementation of robust voice watermarking software (steganography)

B.Sc., Telecommunication

Thesis: DTMF receiver employing Texas Instruments DSP processor