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Computer Task Group - CTG

Founded in 1966, CTG - Computer Task Group is an established information technology services firm with annual revenues of nearly $400 million. Because “reliab

Senior Mobile Core Architect

Location

France

Posted

155 days ago

Salary

0

Seniority

Senior

Bachelor Degree10 yrs expEnglishLinuxPythonUnix

Job Description

Senior Mobile Core Architect

Computer Task Group - CTG

• Configuration of STPs, DRAs, HLR/HSS, SMSC, SGSN, GGSN/PGW, SBC, etc. Along with the team, you will be responsible for being able to manage all equipment on our network. • Using dashboards (and building new ones) to clearly and quickly discover issues and patterns • Accountable and responsible to follow the communications procedures in place when handling an incident. Communication is both internal within our company and external to our third-party providers. • Drive the implementation of telecom interconnection in relationship with our providers • Maintenance, troubleshooting, security audits, and emergency response • Wireshark tracing of critical infrastructure to debug issues • Occasional on-call requirements

Job Requirements

  • At least 10 years’ experience in the core network domain with a mobile networks
  • Holding a BSc degree in Telecommunication or Computer Science (post-graduate studies are a bonus)
  • 10+ years core telecommunications network experience
  • 10+ years of experience with SS7, Sigtran, Diameter, Packet Switched (GGSN/PGw, GTP, GRX, IPX, etc.)
  • Circuit switched communications protocols such as SS7 (including SCCP, TCAP, MAP and CAMEL phases 1 to 4), SCTP (SIGTRAN), Diameter, including ability to design and configure voice and messaging flows
  • Voice SIP / RTP, ISUP and voice convergence technologies, including IMS (including VoLTE and VoWiFi)Knowledge (general) in Voice Mail, IVR and PBX systems / softphones (secondary)
  • Hands on with sniffers, Wireshark and testing tools in advanced mode
  • Hands on with Linux/Unix based systems (you can find your way around a linux shell)
  • Understanding of 3GPP, ITU-T and ANSI standards
  • Understanding of roaming agreements and IR.21, including IREG testing
  • Online Charging System (OCS) and CAMEL in billing and call control
  • Strong writing and documentation skills are needed to develop reports
  • Adaptability and responding to change
  • Be able to work under pressure
  • You are fluent in English (written and spoken)
  • Ready to work on morning/afternoon shifts
  • Good interaction with external customers and internal teams
  • 2+ years scripting experience (Python, Bash, etc.)

Benefits

  • OXIO is committed to fostering a diverse, equitable, and inclusive workplace where all employees feel valued and empowered.
  • We believe that diversity in all its forms drives innovation and creativity, and we strive to create an environment that reflects and celebrates the unique backgrounds, perspectives, and talents of our employees.
  • We do not discriminate against any employee or applicant for employment based on race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local law.
  • We are dedicated to providing a work environment free from discrimination and harassment.
  • We committed to ensuring that all qualified applicants have an equal opportunity to apply for job openings. If you need assistance or an accommodation due to a disability, please contact us at hr@oxio.io for more information.

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