Interworking Engineer

Poland, Remote

As the Interworking Engineer, you will be a part of the operation & maintenance team that ensures quality delivery of SMS (P2P, P2A, A2P) and MNP traffic, and supports such Productive Platforms as SMS-HUB, STP, and MNP.

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Who we are:

Global Message Services (GMS) is a global messaging company with over 16 years of expertise in the industry and extensive knowledge of messaging, traffic monetization, and customized software solutions. GMS is a one-stop shop for worldwide communications through high-quality turnkey solutions tailored to each client’s needs.

 

What you’ll do:

  • Establish connectivity with MNOs/HUBs/Signaling Carriers etc. using SS7/SIGTRAN/SMPP protocols.
  • Modify, expand, and test connections between partners.
  • Establish connectivity with the Client/Provider for MNP (ENUM, SQL, API http/JSON).
  • Operate and maintain Productive Platforms in accordance with the suppliers’ requirements.
  • Participate in planning, development, and implementation of new systems, as well as auxiliary facilities for existing systems.
  • Improve operational and business processes, monitoring system, and Quality of Service.
  • Create technical plans with partners.
  • Develop automation tools for monitoring, statistics, and analysis (scripting based on Python).
  • Provide technical and informational support to NOC Engineers.
  • Change routing on the Productive Platforms (SMS-HUB/STP/MNP) in accordance with the request for change.
  • Provide data systematization of SMS (P2P, P2A, A2P) and MNP services, identify and eliminate the message delivery issues.
  • Liaise with partners (MNOs, HUBs, Signaling Carriers, MNP providers) for solving technical issues in accordance with SLAs.

 

What we expect:

  • 2+ years of experience as an Engineer in Telco/IT.
  • Knowledge of GSM mobile network structure.
  • Understanding of SS7/Sigtran stack (MTP, SCCP, MAP), SMPP v3.4.
  • Understanding of SMS exchange between MNOs by different protocols (SS7, SMPP) using sequence diagrams in the Call Flow.
  • Ability to describe the Call Flow and how SMS goes toward the subscriber if the destination subscriber is in a local network, roaming, or ported (MNP).
  • Experience with UNIX systems.
  • Practice with SQL.
  • Scripting in Python will be a plus.
  • Upper-Intermediate level of English.
  • Analytical and troubleshooting skills, result orientation, accuracy, negotiation skills and customer focus.

 

What we offer:

  • Multicultural & dynamic environment in fast-growing worldwide business.
  • One-of-a-kind company culture – a mixture of open mindset, high dedication, striving for success, and team spirit.
  • Professional team that is committed and stands for the highest standards of performance.
  • Our values – Commitment, Integrity, and Progress – are vivid in day-to-day company activities.
  • Customer-oriented culture with high respect for both internal and external customers.
  • Competitive salary and bonus system.

 

Please submit the form below or send your CV and cover letter to jobs@gms-worldwide.com

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