Open positions

Posted |

January 12 2023

Locations |


Network Engineer

System Integration was founded in 2001 and is part of the Comtrade Group, one of Europe’s largest technology companies. We specialize in cloud-based digital transformation and the design, development, integration and management of systems and applications.

Our domains of expertise include Cloud Services, Predictive Analytics, Digital Business Automation, Security, IoT, CRM, AI and more. Through our partnerships with global vendors, including Microsoft, Oracle, IBM and Open Text, we offer premium IT products that accelerate digital innovation.

Our team comprises 300+ IT experts who leverage their deep domain knowledge, top industry certifications and industry experience to help businesses optimize their IT resources and adopt digital technology more quickly and effectively than their competitors.

Our growing company Comtrade System Integration is currently seeking a Network Engineer to join our team based at our headquarters in Belgrade.

The ideal candidate has a strong background in Network Engineering who is familiar and has experience in wide range of networking R&S, DC and networking security technologies. Person in this position would be part of the team responsible for clients’ networking infrastructure as well as public cloud network infrastructure.



  • BSc. In Computing science, Engineering, of similar relevant field;
  • Min 3 years of experience in R&S, DC and security design and troubleshooting;
  • Having networking certifications but not mandatory such as CCNA, JNCIA, NSE4 or higher;
  • Knowledge of Layer 2 and Layer 3 switching and routing;
  • Experience with VLANs, STP, HSRP/VRRP, L2 security mechanisms;
  • Knowledge of routing protocols such as BGP, OSPF, EIGRP;
  • Experience with firewall integration (both NGFW and legacy) and different VPN solutions;
  • Having automation skills through automation tools will be considered as an advantage;
  • Experience with virtualization would be considered as an advantage;
  • English language proficiency and a high level of communication ability;
  • Ability to work in a team, good cooperation with colleagues;
  • Willingness to improve and learn about new, complex IT systems;
  • Category B driver’s license.



  • Planning, development and implementation of wide range of networking solutions in the field for external clients’ networking infrastructure;
  • Preparation of technical documentation – design and implementation;
  • Engagement on client’s premises during various networking projects;
  • Technical customer support;
  • Cross-team communication in complex projects.



  • A chance to work with an outstanding team of people;
  • Competitive salary;
  • Great environment for personal and professional development;
  • Opportunities for additional professional training and certification;
  • Encouragement of innovation and questioning the status quo, sharing ideas and knowledge;
  • Parking;
  • Private health insurance;
  • Fun room;
  • Gym.