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November 3, 2026
RAN Performance & Optimization Engineer
Mid • On-site
9,000 - 15,000 PLN/yr
Katowice, SL, Poland
Responsibilities
Monitor and analyze RAN performance at cell, site and cluster levels.
Identify network degradations through KPI/KQI monitoring, statistical analysis and trend evaluation.
Perform root cause analysis and define corrective actions to improve network performance.
Analyze OSS counters, network traces and third-party Drive Test measurement data.
Support radio parameter optimization, worst-cell analysis and network quality improvement.
Produce performance reports and verify the effectiveness of implemented optimization actions.
Benefits
Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more.
Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones!
Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development.
Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions.
Qualifications
Degree in Telecommunications Engineering, Electronic Engineering, Computer Engineering or a related technical field.
Experience in LTE/5G RAN performance analysis and radio network optimization.
Strong knowledge of radio KPIs related to accessibility, retainability, mobility, throughput and latency.
Hands-on experience with RAN performance monitoring and OSS tools.
Ability to analyze network counters, identify performance issues and recommend corrective actions.
Strong analytical, troubleshooting and technical reporting skills.
Good written and spoken English and Polish.
Openness to visits to the Katowice office.
Nice-to-Have:
Experience with ActixOne, Infovista, ENM/MAE or equivalent tools.
Knowledge of VoLTE/VoNR performance analysis and optimization.
Experience with Ericsson, Huawei and/or Nokia networks.
Familiarity with Python, SQL, BigQuery, Tableau or other data analytics tools.
Italian and/or German language skills.
Develop yourself and the digital future – at Reply!
Reply specialises in designing and implementing solutions based on new communication channels and digital media. Structured as a network of highly specialised companies, Reply supports leading European industrial groups in sectors such as Telco & Media, Industry and Services, Banking and Insurance, and Public Administration, helping define and develop business models enabled by new paradigms such as AI, Cloud Computing, Digital Media, and the Internet of Things. Reply’s services include Consulting, System Integration, and Digital Services.
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