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November 4, 2026
Radio Network System Engineer
Senior • On-site
Łódź, LD, Poland
Quick Facts
Role: Radio Network System Engineer (System Engineer/Architect)
Focus: 5G NR radio network features, physical layer, and radio resource management
Work style: Hybrid model (3 days from the office weekly)
Description
You will perform system studies and specify 5G radio resource management features, develop network-level software simulations, and support verification and performance analysis of 5G features. You will also lead solution package (SP) studies and participate in system trouble reporting, including customer troubleshooting and analysis. The role includes collaboration with cross-functional teams and contributions to 5G standards and innovation.
Responsibilities
Conduct systems studies in Radio Resource Management (scheduling, link adaptation, time-critical communication, control channel radio resource management)
Specify system features/functions, test cases, algorithms, use cases, and parameter settings; address interactions with legacy features
Develop network-level software simulations for performance analysis of 5G features and algorithms
Drive continuous improvements of products, simulation tools, and processes
Lead solution package (SP) studies and participate in system trouble report teams
Support 5G system verification and analyze test results
Support deployment of new 5G products/features in customer networks and perform troubleshooting/analysis based on customer configurations
Contribute to 5G standards progress with 6G readiness; support IPR through invention disclosures and patents
Collaborate globally with cross-functional development and customer engagement teams
Requirements
MSc or PhD in Computer Science, Electrical Engineering, Engineering Physics, or equivalent knowledge (communications theory and DSP background valuable)
Relevant work experience in 5G NR
Strong knowledge of 5G NR, especially Physical Layer and Radio Resource Management
Software development skills to use and develop simulators (Java, C, C++; MATLAB knowledge is an asset)
Analytical mindset with creativity and innovation
Self-driven, collaborative, and willing to continuously learn
Excellent verbal and written English communication skills
Benefits
Annual bonus based on company goals and results
Opportunity for tax-deductible costs reduction for creative work
Financial awards and distinctions
Private medical care for employee and family (Medicover)
Life insurance
Mental Help Line
Cafeteria system via Pluxee platform (MultiSport or OK System card, lunch cards, and others)
Sports and integration activities
Company support (loans and grants)
Possibility to participate in 3G/4G/5G and 6G technology projects
Technical and interpersonal training by international trainers
Access to learning platforms (Pluralsight, Skillsoft, Coursera)
Opportunity to work in an international environment, including outside Poland
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