Connectivity Test Engineer

Luxoft

Göteborgs kommun

On-site

SEK 553,403 - 774,764

Full time

14 days+

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Job summary

Luxoft in Gothenburg is looking for a specialist to join their team for TCAM verification. You will verify cellular modem behavior across various network conditions, develop automated test cases, and maintain mobile network simulators.

The ideal candidate has hands-on experience with Robot Framework and Python, along with knowledge of GSM, 3G, LTE, and 5G technologies. Join us for innovative projects through the end of 2028, starting with onboarding in October 2026.

Qualifications

Hands-on experience with Robot Framework for test automation.
Solid understanding of cellular technologies: GSM, 3G, LTE, 5G.
Experience working with CI/CD pipelines (Git, Jenkins).

Responsibilities

Perform TCAM Verification across network conditions.
Develop and maintain automated test cases using Robot Framework.
Operate and maintain mobile network simulators.

Skills

Robot Framework

Python scripting

Cellular technologies

Mobile network protocols

CI/CD pipelines

3GPP specifications

Defect tracking in Jira

Linux-based toolchains

Keysight Anite 9000

Job description

Project description

You will join a dedicated DXC Luxoft team embedded within the client's connectivity testing department. The assignment covers verification of the TCAM (Telematics & Connectivity Antenna Module) — the cellular modem embedded in modern connected vehicles — across simulated mobile network conditions representing 2G, 3G, LTE, and 5G technologies. The work is structured as an increment commitment: the team owns a defined area of responsibility and delivers features quarterly, aligned to the client's Quarterly Sync planning cadence. The engagement starts with onboarding in October 2026 and runs through 31 December 2028.

Responsibilities

TCAM Verification
Verify TCAM cellular modem behavior (TCAM 1.1, 2, 3, 4) in simulated network conditions
Test voice, SMS, and data services across GSM, 3G, LTE, and 5G technologies
Verify eCall, legal eCall, and next-generation eCall functionality
Test DualAPN logic for multiple markets (HU, RO, SK, IS, GR)
Validate VoLTE/VoNR, IMS Registration, and circuit-switched voice behavior
Test network reject code handling and modem recovery logic
Verify eCall-only mode for country-specific regulatory requirementsTest Automation & CI
Develop and maintain automated test cases using Robot Framework and Python
Migrate existing test suite to TCAM2; extend coverage to TCAM3 and TCAM4
Maintain and improve the CI/CD pipeline (Git, Gerrit, Jenkins) — keep the pipeline green
Integrate test results into CarWeaver verification verdict system
Manage defects and work items in JiraSimulator & Lab Operations
Operate and maintain mobile network simulators: Keysight Anite 9000 (SAS), Keysight UXM E7515A, and R&S CMW/CMX500
Develop and maintain simulator services in Python
Ensure simulator availability and reliability for the test teamSME Contributions
Act as subject matter expert during TCAM and mobile network troubleshooting
Review planned TCAM implementations for Network Friendliness Mode
Investigate voice-centric to data-centric mode migration requirements
Contribute to pre-certification testing for new TCAM variants with mobile network operators

SKILLS

Must have

Hands-on experience with Robot Framework for test automation
Python scripting — test frameworks, simulator services, data processing
Solid understanding of cellular technologies: GSM, 3G, LTE, 5G
Knowledge of mobile network protocols: NAS signaling, EMM, IMS, VoLTE
Experience working with CI/CD pipelines (Git, Gerrit or similar, Jenkins)
Ability to read and interpret 3GPP specifications
Experience with defect tracking and work management in Jira
Comfortable with Linux-based toolchains and command-line environments
Direct experience with Keysight Anite 9000, Keysight UXM E7515A, or R&S CMW/CMX500

Nice to have