Systems Engineer

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 required approximately once every 1–2 months.

• 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.