Karol Cieśla

- Planning, Design, Implementation, and Optimization of Cisco Mobile Wireless Solutions with focus on End-to-End Mobility Architectures including:
* Mobile Packet Core/EPC (LTE, 3G),
* Small Cells / SP Wi-Fi
* PCRF/ VoLTE
* Telco Cloud (ESXi, KVM, vEPC, OpenStack)

- Working directly with customer, account teams and business units to build:
* Test cases and test plans preparation
* High and Low level designs (HLD, LLD),
* Other documents needed for consulting;

- Customer and partner training and workshops,
* Proof-of Concept (PoC),
* Early Field Trials,
* Pre-Sales Trials and large scale deployments ;

- Sizing, scalability planning, content billing, routing and traffic planning, service selection;

- Providing technical input to Statements of Work (SoW), RFPs and contracts

- LTE project support for service providers world-wide during:
* proof-of-concept, field and pre-sales trials
* integrations/migrations
* acceptance testing,
* on-call - 24/7


- LTE E2E design/configuration/testing:
* routing (OSPF, EIGRP, static), switching (802.1q)
* security (firewalls, VPN: IPSec, SSL, PKI),
* redundancy/High Availability (BFD,VRRP),
* QoS (DSCP, 802.1p, CoS)
* synchronization (NTP, IEEE 1588-2008, SyncE)
* SW/HW upgrades, alarms, configuration management, comissioning, SON
* call processing
* performance


- LTE data center design/configuration/testing:
* servers/ storages – HP, Fujitsu-Siemens running RedHat / CentOS/Linux
* virtualization - Vmware vSphere ESXi, Citrix XenServer
* Cisco routers and switches (3560, 3750, 2801, 2960, 4948),
* Juniper firewalls, routers, switches ( SRX1400, MX80, EX3200)

- Technical support (TAC-3) for Femto solution ( Femto Access Point, Femto Gateway)
* Troubleshooting and reproduction of customer faults in lab environment
* Providing technical assistance via phone (24/7), on-line, or e-mail to other team members and customer personnel
* Software/hardware/features integration and verification before release to the customers
* Test case and test scope preparation
* Configuration and troubleshooting of laboratory environment: Cisco routers, Cisco switches, HP servers

- Technical support (TAC-3) for Billing & Charging / Intelligent Network products for mobile operators worldwide;
* Troubleshooting and reproduction of customer faults in lab environment
* Providing technical assistance via phone (24/7), on-line, or e-mail to other team members and customer personnel
* Software/hardware/features integration and verification before release to the customers
* Test case and scope preparation (SS7, charging, billing, CAMEL, INAP, SMS, MOC, VAS, MTC, prepaid, postpaid)
* On-site support during acceptance, roll-outs, integration, workshop
* Project leading ( budget drafting, resource management, consultancy, single-point-of-contact)