Ata Lohrasb Email & Phone Number

United States

Greater Los Angeles Area

 Configured Telecom RF systems, tested, troubleshot and calibrated at laboratory (Using tools like: Oscilloscope, Cell Advisor 5G, Spectrum Analyzer, RF generator, Vector Analyzer, RF Power source and meter …) Configured Telecom Fiber Optic Systems, tested, troubleshot and calibrated at laboratory (OTDR, Laser Source, Power Meter, Fiber Probe, OSA,…) Customized units and made software, firmware and IP adjustments or repaired according to instructions. Developed test plans to validate power, digital, and mixed-signal electronics against design requirements. Performed occasional PCBA rework to facilitate testing, such as performing component swaps or adding test points to a PCBA. Performed data analysis after test results, conducted root cause analysis on failures, and presented results to key stakeholders. Performed S-parameter measurements using Vector Network Analyzer (VNA). Wafer level RF test experience and RF wafer probe testing. worked with phased array antennas, radiating elements, frequency selective surfaces, power splitters, feed networks, couplers, filters, circulators, RF modules/assemblies)

Greater Los Angeles Area

 Installed, maintained and troubleshot security camera systems, alarm systems, sound systems and low voltage systems Setup PDB (power distribution board) for power supply, DVRs for cameras, and register machines (P.O.S.) Setup LAN Networks (Cat 6, Coaxial, AC/DC Power) Configured and setup wired and wireless LANs including guest or BYOD and 802.1x secure access scenarios. Configured and installed client and server network software for upgrade and maintain network and telecommunication systems.

Iran

 Installed, initiated, maintained, and troubleshot high capacity Microwave Radio Systems, high capacity Fiber Optic DWDM line Systems and Mux/De-Mux Systems, PDH, SDH, TDM, FDM, HLD, LLD, RF transmitter and receiver ( TX, RX) Measured all system parameters with measurement systems or software and maintained power system modules utilizing AC/DC system, Using Spectrum Analyzer, Vector Analyzer, Optical Spectrum Analyzer, Power Meter, Laser source and etc Performed optical test application and optical measurement principles Provided network supervisory and tech support 24/7 for all microwave radios and DWDM line systems of the state Tested and troubleshot voice and data line quality for over 1500 clients monthly Improved the rate of the company from 29th out of 30 in the country to the 3rd by improving performance and quality of service Balanced network data in Cisco systems, switching, and routing Utilized knowledge of RF/IF and all microwave radio system parts, RF system engineer Performed optimization, troubleshooting, and maintenance of base station equipment, RF transmitters, and Fiber network. Conducted routine, preventative maintenance on assigned sites Understanding of RF communications system design including modulation, demodulation, RF signal chains, spur analysis and antennas Worked with common RF components such as splitters, attenuators, amplifiers and frequency converters Performed end-to-end testing of RF communications systems like BER testing

Tehran

 Installed data radio systems and established point to point data link Managed System Hardware and Software setup, maintained and troubleshot Designed, setup and configured complex Layer 2 and Layer 3 switching/ routing environments within multisite customer networks. Designed multi-physical and virtual server environments including IP address schemes, DNS, Ether-Channeling, VLAN tagging/trunking, Load Balancing, etc Maintained Internet Protocol and Routing and Switching technologies such as Internet eBGP/iBGP, OSPF, QOS, 802.1q VLANs, SMTP mail flow, SIP/H323 call flows, iSCSI/NFS storage, and other common TCP+UDP protocols. Designed, set up, maintained and troubleshot LANs, WANs, MPLS, and Broadband Cable/DSL, as well as PPP, Frame-Relay, and ISDN PRI and wireless networks, including servers, routers, switches, UPSs, and other hardware.

Master’S Degree, Computer Engineering

Bachelor'S Degree, Computer Engineering