SS7 Implementation Engineer

SS7 Implementation Engineer


We expect the candidate to be part of Implementation team whose main responsibility is installation, implementation and post-installation support of all HORISEN SS7 Platforms and SS7 Products/Services to our customers.


  • University degree in Computer Sciences or software engineering related field
  • 3+ years of professional experience
  • Knowledge of GSM 2G/3G/4G networks and SMS technology
  • Knowledge of networking, mobile and telecom technologies
  • Good experience with SS7/SMS/MNP technologies
  • Good knowledge of SMPP/ Sigtran protocols
  • Experience with implementation and integration processes
  • Experience in troubleshooting and maintenance of 24/7 production environments
  • Experience with Linux (Debian/CentOS) system administration
  • Experience with monitoring system Grafana, Icinga
  • Experience with SQL, Bash scripting
  • Documentation skills
  • Good Knowledge of AGILE principles
  • Experience with Confluence, Jira
  • Excellent English skills - both written and verbal

Considered a plus:

  • Knowledge of SIP/ENUM/REST HTTP API protocols
  • Knowledge of SQL/no-SQL databases
  • Knowledge of Diameter protocol

Role description:

  • Implementation HORISEN SS7 Platforms to our Customers
  • Integration with new SCCP Carriers and Mobile Operators
  • On daily basis do a monitoring of Signalling link connections and SS7 Platforms health
  • Work closely with our key customer to collect their needs and transfer them to Product team
  • Provide 2nd level of support for all SS7 Products/Services
  • Keep up to date all implementation documents (checklist, implementation & troubleshooting guidelines)
  • Constantly participating in implementation process improving


HORISEN is an international software company active in the fields of mobile telecommunications and digital marketing.

With our comprehensive cloud software solutions, we’ve become a competent and innovative partner to many mobile phone companies and marketing experts worldwide. Ever since 2001, we have been continuously recognized as market leaders in our business vertical.

As telecom and marketing experts, we specialize in enabling direct communication between brands and their clients via all kinds of mobile messages, e.g. SMS, Messenger, etc. Our software enables our customers to efficiently and reliably send billions of messages to mobile recipients worldwide. We enable communication that is targeted, secure and fast.


Work: very interesting work in a future-oriented industry

Competence: fast decision-making processes and the opportunity to make a personal contribution

Team: motivated and open-minded colleagues in a cooperative working environment

Cooperation: professional and non-bureaucratic cooperation

Workplace: home office / alternatively in one of our modern offices in Niš, Paracin or Pirot

Salary: performance-related pay and good development opportunities

Opportunity: new challenges for personal and career development

We develop, market and sell our own products, which means that we are making our own decisions.

This allows us to give our people freedom - freedom to innovate, creatively solve problems and implement bold resolutions. And we truly value our people - their ideas, commitment and needs.

Together, we built an environment that is innovative, collaborative, flexible and supportive of work-life balance – an environment that encourages people to stay with us for years!


Then please send us your complete application documents including:

  • Details of availability and earliest possible starting date
  • Your salary expectations
Beginning of employment
as soon as possible
Job Location
Serbia, Greece