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December 17, 2025

Systems Engineer (telecommunication-OCS/VSS)

Mid • Remote

$130 - $150/hr

Gdańsk, Poland

We are seeking an experienced and motivated System Engineer to join our team and play a pivotal role in delivering telecom solutions. You will be responsible for installing, implementing and configuring Value-Added Services Systems (VSS) and Online Charging Systems (OCS) for telecom operators.


  • Location: Remote

  • Business Travels: Travel to Sweden from time to time

  • Contract: 12 months with extension

  • Start Date: Flexible – preferable up to one month notice period

  • Salary: 130-150 zł/h


Key Responsibilities:

  • Install, configure, and implement Telecom VSS and OCS systems for telecom operators, ensuring compliance with technical specifications and project requirements.

  • Collaborate with clients to gather technical requirements and translate them into functional configurations.

  • Conduct system integration with existing network infrastructure, including interfaces with core telecom components like HLR, HSS, GGSN and IMS.

  • Perform system testing and validation, including User Acceptance Testing (UAT) and troubleshooting of system issues during deployment.

  • Develop and execute configuration scripts for system setup, e.g. Ansible.

  • Ensure proper documentation of configurations and implementations for future reference.

  • Provide on-site and remote support during installation and post-implementation phases to ensure system stability and performance.

  • Collaborate with cross-functional teams, including software developers, project managers and customer support teams, to resolve technical challenges.


Qualifications:

  • Relevant university degree and experience from technical roles within Telecom and IT industry and knowledge within the following areas:

  • Hands-on experience with implementing and configuring telecom systems, particularly VSS and OCS platforms.

  • Strong knowledge of telecom protocols such as SS7, Diameter, SIP, CAMEL.

  • Experience with system integration in telecom environments, including APIs, middleware, and databases (e.g. Oracle).

  • Experience with Linux based systems.

  • Familiar with telecom networks, architecture, and components such as BSS/OSS, HLR/HSS and core network systems.

  • Knowledge of virtualization and cloud platforms (e.g. VMware, OpenStack or AWS).

  • Knowledge of IP network architecture, configuration, integration, load balancing and redundancy.

  • Understanding of security and compliance requirements in telecom systems (CIS, OWASP, NIST or similar).


Work Environment:

  • Full-time role with opportunities for on-site deployment at client locations (travel once a month/2 month).

  • Combination of office work and field activities based on project requirements.

  • Flexible schedule to support deployment and critical project milestones.