Johnson Sebastiar
Principal Engineer @Sky
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WORK HISTORY
Principal Engineer @Sky
Brentwood, GB
Currently performing Squad lead role for RDK-B CPE Device Services and managing a team of six software developers.I am responsible for planning, developing and delivering core components such as UPNP, InterdeviceManager, Telco Voice Manager, LED Manager, Thermal Manager, Battery Manager, JSON HAL librarypackages and etc for RDK-B Gateways.Actively participating in RDK-B Architecture, Roadmap, Wan Manager and Workgroup meetings.Actively collaborate with RDK-B syndicate partners for any new feature development in RDK-B Core stack.Helping the RDK-B preferred members for integrating RDK-B stack into their Broadband router platforms.Performed New Hub SQUAD Lead role, was responsible for planning, developing and delivering RDK-B based software solutions for NEW Homecomm Gateways.Technically led Board Bring up activities on new Hubs.Technically led RDK-B Platform development on Yocto.As a technical lead, led the development of RDKB WAN Manager, XDSL Manager, GPON Manager, VLAN Manager, Telco Voice Manager, FirmwareUpgrade Manager, IPOE Health Check, and JSON HAL library packages and deployed on Sky Hub Italy platform successfully. And these same components are being used in the Sky UK hubs as well.
EDUCATION
Bharathidasan University
MCA, Computer Applications
Bharathidasan University
Bachelor's degree, Physics
SKILLS
ABOUT JOHNSON SEBASTIAR
Leading RDK-B(Broadband) Core Device Services Squad software components. Regularly involving in RDK-B Architecture, Roadmap, Wan Manager and other key forums. Actively collaborating with RDK-B syndicate partners for any new RDK-B core feature development and integration. • Having strong leadership, mentoring and team building skills.• Strong end-to-end design and development life cycle experience on Broadband routers• Strong technical background and good experience in Real Time Applications and Operating Systems• Good experience in Embedded Linux, Linux Kernel modules and device drivers.• Good experience in Set Top Box(STB) development(Applications, Middleware, Kernel Modules, Buildroot )• Worked on various Broadcom STB SOCs.• Good experience in DOCSIS 2.0 based CMTS stack development.• Expertise in network protocol development• Good experience in network security protocol development such as IPSec VPN technology • Good experience Win32 Programming and Windows networking device driver• Hands on development experience in Multimedia streaming server/client applications using TCP/IP,UDP,IGMP,RTP,RTSP,SOAP,XML protocols.• Good experience in porting applications to various platforms• Development experience in web technologies(PHP,Node.js,HTML5,JavaScript)Specialties: • Expert level knowledge on C and C++ WAN Technologies: DSL,PON,WANOEEmbedded System: Embedded LinuxKernel: Linux Kernel Drivers, Peripheral Drivers, Ethernet Drivers Network Protocols: TCP/IP RTP, RTCP, RTSP, HTTP, UPnP(SSDP,GENA,SOAP), DHCP,DHCPv6, NTP, DNS,ARP,IGMP,XML, ICMPSecurity Protocols: IPSec(AH,ESP),IKEv1, IKEv2Cryptography: PKI, OpenSSL, CAPICOM(Windows Cryptography)RTOS: VxWorks, Nucleus Plus,T2OS,CExecutiveDebugger, GDBCable RF network: DOCSIS 1.1/2.0/3.0,BPI+
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