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Integration and Support Engineer

4 tygodni temu

Warszawa, mazowieckie, Polska jtendo Pełny etat

Integration and Support Engineer



Responsibilities

  • Integration of new solutions/products for telco operators (examples of products: various IN/VAS services, VPBX, SS7/Diameter Firewall, GTP Proxy)
  • Taking an active part in all phases of projects (design, testing, integration, support, enhancements)
  • Developing tools to provision, monitor, automate and integrate existing and new infrastructure systems
  • Supporting existing telco platforms based on Linux, Java, JSLEE, Erlang and common open-source software (2nd/3rd line of support)
  • Preparing technical documentation


Qualifications


Must have

  • strong background in Linux administration (RHEL/CentOS preferred, level RHCSA+)
  • strong background in DB administration (MySQL and/or PostgreSQL)
  • knowledge and experience in using SQL
  • strong background in TCP/IP stack and troubleshooting network issues
  • scripting experience (at least one of: Bash, Python, Perl)
  • English at least B2 level


Nice to have

  • knowledge of telco protocols like SS7, Diameter, SIP, GTP
  • knowledge of mobile networks architecture GSM/3G/LTE/IMS
  • knowledge & practice with designing highly available systems
  • knowledge & practice with configuring web servers (Apache httpd, NGINX)
  • knowledge & practice with at least one of: Nagios, Zabbix, Elasticsearch, Prometheus
  • knowledge of virtualization platforms (VMware, OpenStack, Proxmox)
  • knowledge of Cloud Native technologies (Kubernetes, OpenShift)
  • knowledge & practice with CI/CD tools like Jenkins, Ansible