Junior/Middle QA Telecom Engineer

Hitachi, Ltd.; Wrocław; On-site; PLN 90,000 - 150,000; Full time

Job summary

GlobalLogic is seeking a QA engineer to join a team focused on wireless telecom testing for SIM cards, modules, and web portals managing devices. You will design test cases, execute functional and regression tests, and analyze logs from 2G to 5G environments.

Automation with Python is encouraged to accelerate verification, while human checks ensure final validation. You will collaborate with developers to reproduce issues, gather logs, and verify fixes, contributing to high-quality ETAs and

Qualifications

• 2+ years in wireless telecom projects.
• Knowledge of GSM/UMTS/LTE protocols and mobile testing.
• Strong documentation and English communication skills.

Responsibilities

• Prepare and maintain test environments for GSM-related embedded software testing.
• Analyze requirements and design test cases for IP services.
• Execute functional, regression, and defect verification testing.
• Report defects and perform retesting after fixes are delivered.
• Analyze system logs to validate test results and identify false positives/negatives.
• Design and develop automated tests using Python.

Skills

GSM/LTE protocols

Test automation

Python scripting

English communication

Education

Bachelors in telecom/electronics

Tools

QXDM

Wireshark

GSMA tools

Job description

Job Description

Project is focused on quality assurance for SIM cards, telecommunication modules and web portals for managing fleets of devices/SIMs .
Telecommunication modules are industrial-quality products which provide any system with the ability to communicate over cellular network and work with SIM Cards in different standards (SGP.22, SGP.32).
Web portals are used for Devices (Modules/ SIM) management and to request actions from SIM cards and Modules.
Validation in this project requires a lot of testing in different network conditions, environments, and protocol verification Devices both on cellular network side 2G-5G , SIM connectivity side and connectivity with web portals side.
Apart from manual tests there are also automated tests which allow for faster verification. However, because of verification complexity, most of tests required at least some human checks to confirm correct behavior.
In case any issues are found, department assists development with identification of possible reasons, reproduction routes, log gathering etc.

Requirements

• At least 2 years experience in wireless telecommunication projects
• Higher Education in the fields of telecommunication, electronics, robotics, information technologies or related
• Eager to learn new technologies and ready for new challenges
• Ability to take responsibility for tasks realization and high quality assurance
• Willingness to show initiative and fulfilling commitments
• Knowledge of GSM, UMTS and LTE protocols (e.g. NAS, RRC, L2, L1) and experience in mobile procedure testing
• Experienced in working with documentation of e.g. 3GPP, GSMA standard, GCF, PTCRB
• Effective communication skills
• Communicative level of English – spoken and written

Preferences

• Knowledge about Mobile Telecommunication Networks and basic understand what SIM Card is for
• Experience with any telecommunication devices and AT command interface
• Experience in field testing of UE/ME
• Familiar with tracing tools provided by different chipset vendors (e.g. QXDM)

Nice to have

• ISTQB certificate
• Experience in working with Web portals to manage devices / SIMs
• Experience in working with tools to collect logs from devices (Wireshark, QXDM, etc)
• Experience in API requests to communicate with web portals
• Programing in Java or Python

Job Responsibilities

• Prepare and maintain test environments for GSM-related embedded software testing.
• Analyze requirements and design test cases for IP services.
• Execute functional, regression, and defect verification testing.
• Report defects and perform retesting after fixes are delivered.
• Analyze system logs to validate test results and identify false positive and false negative outcomes.
• Design and develop automated test cases using Python.
• Review Python code in line with project coding standards and guidelines.
• Apply software testing best practices and ISTQB Foundation Level knowledge in daily testing activities.

What we offer

Empowering Projects: With 500+ clients spanning diverse industries and domains, we provide an exciting opportunity to contribute to groundbreaking projects that leverage cutting-edge technologies. As a team, we engineer digital products that positively impact people's lives.

Empowering Growth: We foster a culture of continuous learning and professional development. Our dedication is to provide timely and comprehensive assistance for every consultant through our dedicated Learning & Development team, ensuring their continuous growth and success.

DE&I Matters: At GlobalLogic, we deeply value and embrace diversity. We are dedicated to providing equal opportunities for all individuals, fostering an inclusive and empowering work environment.

Career Development: Our corporate culture places a strong emphasis on career development, offering abundant opportunities for growth. Regular interactions with our teams ensure their engagement, motivation, and recognition. We empower our team members to pursue their career goals with confidence and enthusiasm.

Comprehensive Benefits: In addition to equitable compensation, we provide a comprehensive benefits package that prioritizes the overall well-being of our consultants. We genuinely care about their health and strive to create a positive work environment.

Flexible Opportunities: At GlobalLogic, we prioritize work-life balance by offering flexible opportunities tailored to your lifestyle. Explore relocation and rotation options for diverse cultural and professional experiences in different countries with our company.

About GlobalLogic

GlobalLogic is a full-lifecycle product development services leader that combines chip-to-cloud software engineering expertise and vertical industry experience to help our customers design, build, and deliver their next-generation products and digital experiences. We expertly integrate design, complex engineering, and agile delivery capabilities to deliver superior business outcomes for global brands in telecom, automotive, healthcare, technology, media and entertainment, manufacturing, and semiconductor industries.

Headquartered in Silicon Valley, GlobalLogic employs over 25,000 designers and engineers across the globe. Analysts like NASSCOM and Zinnov have recognized us for being a top company in our field, and we are consistently nominated as a preferred employer by both global HR consultative firms and local job boards. By creating a work environment that is exciting and flexible, and by fostering growth through ongoing learning and development programs, we empower our employees to achieve both their professional and personal goals.

At GlobalLogic, we make amazing products — and careers.