Piotr Rychta Email & Phone Number

Over 25 years of experience in Telecommunications as a DevOps engineer maintaining and developing mission-critical systems.As a Value Added Services Chief Specialist I was responsible for:--- VAS systems operations and maintenance (SMSC, SMS Firewall, SMSC-DA, MMSC, Content Scanning Platform, Traffic Control System, Mobile Positioning System, Cell Broadcast System, USSD System),--- SMS applications development (i.e. emergency SMS notification, SMPP traffic load generator, SMS campaigning tool, SMPP automatic tests tool, SMS fraud detector)--- analytics (traffic analysis, KPIs, capacity planning)--- VAS systems technical evaluation (defining technical requirements, new functionalities)--- VAS systems deployment (installation supervision, integration, testing, commercial launch)--- VAS systems decommissioning (customers/traffic migration, disassembly process supervision)--- cooperation with VAS systems HW/SW vendors

Listed skills include Smsc, Sms, Vas, Ss7, and 6 others.

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  Value Added Services Chief Specialist

  T-Mobile Poland (Deutsche Telekom)

  Jan 1999 - Present - Warsaw, Mazowieckie, Poland

  Experience in:--- Unix/Linux administration (Sun/Oracle Solaris, Red Hat Enterprise Linux, CentOS Linux)--- VMware administration--- HPE ProLiant servers administration--- Network administration (Cisco Switches, Routers, F5 Load Balancers)--- Programing/Scripting (C, Bash, Perl)--- Oracle SQL queriesExperience in Value Added Services Systems administration:--- SMSC [Short Message Service Center] - vendor: Mavenir, Airwide, Comverse, Sema--- SMS Firewall - vendor: Mavenir, Airwide--- SMSC-DA [SMSC Direct Access] - vendor: Mavenir, Airwide--- MMSC [Multimedia Messaging Service Center] - vendor: Ericsson--- CMP [Cloudmark Mobile Platform/SMS content scanning] - vendor: Cloudmark--- TCS [Traffic Control System] - vendor: Starhome--- MPS [Mobile Positioning System] - vendor: Ericsson, Siemens--- USSD [Unstructured Supplementary Service Data] - vendor: Ovoo--- CBC [Cell Broadcast Center] - vendor: One2Many/Logica CMG--- Directory Server [LDAP database] - vendor: Sun/OracleExperience in the following areas of networking:--- IP routing protocols (OSPF, EIGRP)--- transport protocols (TCP, UDP, SCTP)--- SMPP (short message peer to peer protocol) - expert knowledge--- SS7 signalling--- GSM/UMTS/LTE networks--- Ulticom Signalware stack and Mobicents Diameter stack configuration--- protocols analysis and troubleshooting with Wireshark and OSIX PolystarTroubleshooting/analytical skillsAbility to work well under pressure in order to solve complex problemsSolid interpersonal skills with a focus on teamworkQuick learner with self-development approach

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  Warsaw University Of Technology

  Faculty Of Electronics And Information Technology, Telecommunications Institute