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Core Network Engineer • Signaling

Remote, Spain, South Africa, Portugal, Romania, Israel, or United Kingdom


Telna is looking to hire an experienced Telecommunications Engineer to work with our team. This is a unique opportunity that will give selected candidate(s) special access inside a full cellular telecommunications network covering voice, data and SMS services for customers all over the globe. We're expanding our telecommunications and roaming departments, and are looking for highly qualified candidates.


  • Work alongside a team of Core Telecommunication Engineers, Network Architects and Linux Administrators to continue the development of our worldwide cellular network
  • Configuration of STPs, DRAs, HLR/HSS, SMSC, SGSN, GGSN/PGW, SBC, etc.
  • Integrate various direct roaming agreements as well as sponsored roaming agreements
  • Wireshark tracing of critical infrastructure to debug issues
  • Maintenance, troubleshooting, security audits, and emergency response
  • Occasional (paid) on-call requirements

Minimum Qualifications

  • 5+ years core telecommunications network experience
  • 5+ years of experience with SS7, Sigtran, Diameter, Packet Switched (GGSN/PGW, GTP, GRX, IPX, etc) and related experience.

Nice to Have

  • 2+ years MySQL/MariaDB, MongoDB
  • 2+ years scripting experience (Python, Bash, etc)
  • IREG Testing Experience
  • IP Networking Experience (BGP, Firewalls, Routers, etc)

While a bachelor's Degree in Computer Science, Telecommunications, or Engineering is required, the related experience will be taken into consideration.


Remote from Spain, South Africa, Portugal, Romania, Israel or United Kingdom

Language English - Native or Bilingual Proficiency
Job Type Full Time, Mid-Senior level
Job Category Engineering, Information Technology

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Working for us means being part of creating products that shape the future of telecommunications.