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Sonus Networks
Sonus Networks

Solutions that transform networks.
And careers that transform lives.

For carriers and service providers who are looking to reduce their operating expenses and increase their subscriber base, Sonus solutions can transform voice networks into scalable, reliable, secure IP networks that generate real return on investment and deliver exciting, net-generation services. Every day, more than one billion IP-voice minutes are managed through Sonus Networks in more than 50 countries, including 5 of the world's 6 largest carrier networks.

Teams at the Sonus Bangalore Development Center have either complete ownership or significant participation across all Sonus product lines, providing experience that can transform you from a software engineer to a telecom professional.

Mail your resume. Please mention position applied for in subject line.

  1. GSX SIP Developers (GSX-SIP)
    3-8 years Experience

    • Real-time embedded software development experience in C/C++
    • Experience with multi-processor, high density carrier class product architectures
    • SIP, SIP-T, SIP-I protocol development and interoperability experience
    • Fluent with current SIP and IMS related IETF RFC's
    • Experience with SIP, SIP-T and interworking these protocols with ISUP is a plus
    • Experience in Session Border Controller Development is a Plus
  2. GSX Developers (GSX-DEV)
    3-5 years Experience

    • Strong skills in C/C++ and data structures
    • Good designing skills, ability to solve problems quickly and completely
    • Basis understanding of TCP/IP and Routing
    • Linux/Unix platform experience
    • Experience in VolP Protocols (SIP, RTP, RTCP)
    • Experience of working in DSP (TI320CXX, TI Janus DSP) would be a plus
  3. EMS/NMS Positions (EMS-NMS)
    4-8 years Experience

    • FCAPS expertise with Telecom EMS/NMS background
    • Expertise in J2EE (EJB, JMS, JNDI) Hibernate, Servlet/JSP and JMX
    • Experience in WebServices (WSDL, SOAP) XML and XSL
    • Exposure in SNMP, NetCool a plus
    • Exposure to Unix/Solaris/Linus Environment and Shell Scripting
  4. OSS Engineers (OSS)
    4-7 years Experience

    • Telecom OSS domain experience is a must
    • Expertise in J2EE, Servlets and Core Java is a must
    • Experience in XML, XSL is a must
    • Good work exposure towards weblogic Server and JBOSS
    • Strong foundation in data-structures and algorithms
  5. ASX Call Processing Developers (ASX-CALLP)
    3-8 years Experience

    • Software development experience in a C++/Unix environment required
    • Java development experience and experience with UNIX internals desired
    • Knowledge and development experience with Call Signalizing protocols such as SIP, MGCP, H248, SDP, CALEA
    • Experience in Call Processing Software Development
    • Experience with Class 5 feature development, development of key systems and/or PBX platforms is highly desirable
    • Experience in developing features for Softswitches is a plus
    • Experience with Oracle, PL/SQL, ProC is highly desirable
  6. IMX SIP Developer (IMX-SIP) 3-6 years Experience

    • Strong foundation in C++/Java (preferably C++) on a Unix environment
    • Familiar with network programming/networking concepts
    • Expertise on SIP protocol and related key SIP drafts/standards
    • Knowledge of SIP Servlet API (JSR 116/ JSR 289) is very desirable
    • Strong foundation in data-structure and algorithms
    • Experience with Oracle, MySQL, TimesTen is desirable
    • Experience on HTTP, WebServices, XML, SOAP is desirable
    • Knowledge of IMS standards is a good to have
  7. PSX Call Processing Developers (PSX-CALLP)
    3-6 years Experience

    • Telecom Software Development
    • Softswitch Technology/Application Servers
    • VolP, SIPH.323/ISUP
    • Call Processing
    • Services and Routing
    • Software experience using C++ Object-oriented coding, multithreaded coding
    • Experience in Developing on Unix Platforms
    • Exposure to IMS, TCAP, AIN, IS-41, GSM-MAP, CAMEL, XML/VXML a Plus
    • Database coding (Oracle) a plus
  8. Data Stream Integrator Engineer (DSI)
    3-6 years Experience

    • Experience as a development/software sustaining engineer with heavy emphasis on work in a laboratory setting, telecommunications industry or suitable IP networking environments
    • Unix/Linux/Solaris internals knowledge and skills
    • C++/C programming knowledge and demonstrated use
    • Understanding of IP network architecture and concepts
    • Perl or other scripting knowledge and demonstrate use, desired
  9. Wireless Engineer (Wireless)
    3-5 years Experience

    • Sound understanding of GSM/UMTS/CDMA technology
    • Development experience of GSM/UMTS/ CDMA MSC (Call Processing)
    • Expertise in MAP (D, E interfaces)
    • CAMEL AP
    • Understanding of SCCP, TCAP, SIGTRAN
    • Good understanding of the A-interface
    • SIP Expertise
    • Familiarity with the IMS network architecture
    • Expertise in SMS protocols is a plus
    • Understanding of AMR/EFR, media transcoding (MGCP/MEGACO)
    • Understanding of Abis and specifically Abis/IP; PicoCells, FemtoCells
    • Good programming skills in C/C++ on Linux/Unix/Solaris
    • Good programming skills in C/C++ on Linux/Unix/Solaris
    • Good design/debugging skills. Familiarity with tools such as gdb, oProfile, valgrind, etc. is plus
    • Socket programming on Linux/Unix platform
    • Experience in the wireless/networking domain is desirable
    • Must have worked on a full SDLC
    • pSOS/Vxworks knowledge is plus
  10. System Verification Testing (SVT)
    3-8 years Experience

    • Experience in testing of VolP Products/Solutions which includes Class 4/5 Gateways signalizing gateways OR EMS/NMS/GUI
    • Hands on experience in setting up test beds (Solaris/Linux installation and operation)
    • Expertise in deriving test cases from the product requirement
    • In-depth knowledge of any one of the following:
    • In-depth knowledge of SS7 stack testing includes ISUP, MTP, SCCP, TCAP, Sigtran
    • Expertise in Scripting Languages such as Perl, TCL/Expect, Shell scripting is desirable alongwith protocol & product knowledge stated above
    • Expertise in Unix/ Solaris OS is a plus
    • Good understanding of various testing processes
    • Hands on experience in automaton (Test script generation/execution and debugging) are desirable
    • Good understanding of one of testing equipments like EAST, INET and HAMMER is needed
    • Familiarity with testing of SNMP events & traps is a plus
    • Good understanding of standard NMS tools/ packages like HP Openview, IBM Tivoli
  11. Tech Pubs (Tech Writers)
    5-8 years Experience

    • Atleast 5 years of relevant experience working as a Technical Writer or equivalent experience
    • Ability to take on complete documentation responsibility for the assigned product line
    • Ability to work with telecommunication engineers and highly technical design documents to develop a detailed understanding of Sonus products
    • Ability to write accurate and clear English description of the operation and provisioning of complex telecommunications systems
    • Highly capable to adapt changing Technical publications priorities
    • Ability to be highly productive in a dynamic environment with strict deadlines
    • Ability to coordinate with the local documentation efforts with engineers and writers based in the US
    • Experienced with tools associated with technical publications including Adobe framemaker and Acrobat as well as basic Microsoft PC desktop applications including drawing tools (eg: Visio)

All Positions Require:

  • BE/ME/MS in Computer Science or Electrical/Electronics/Communications Engineering
  • Strong communications skills, work experience with remote co-workers is a plus
  • Self-starters, capable of operating with minimal supervision to solve problems where requirements/specifications/standards may be unclear
  • Effort estimation and schedule tracking skills are mandatory.
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Job Ad publication date: 25 Mar 2009  
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