Senior Telecom RAN & 3GPP Protocol Tester (5G/4G)

K Two Technology Consulting AB; Stockholms kommun; On-site; SEK 650,000 - 900,000; Full time

Benefits offered by this job

Health insurance

Team events

Supportive team

Market salary

Visa sponsorship

Relocation assistance

Visa extensions assistance

Job summary

K Two Technology Consulting AB in Sweden is seeking a skilled Telecom Tester with deep hands-on experience in end-to-end RAN testing, 3GPP protocol analysis and system integration. You will work hands-on with diverse telecom testing tools and complex signaling scenarios.

Ideal candidates have 5+ years in telecom testing, with 8–10+ years preferred, and can work independently. This role offers a competitive salary, visa sponsorship, relocation support, and a collaborative team environment.

Qualifications

• 5+ years of telecom system testing (RAN/E2E).
• 8–10+ years hands-on telecom testing with protocol debugging.
• Strong knowledge of 3GPP protocols and signaling (L1–L3).
• Experience with QXDM, Viavi, FsUE, Moshell.
• Knowledge of gNodeB, CNIS,RHOSP setups.
• Ability to analyze signaling traces and debug E2E connectivity.
• Strong documentation and communication skills.

Responsibilities

• Perform end-to-end RAN traffic testing, including RAN config and UE control.
• Analyze logs and troubleshoot RF and signaling across L1-L3.
• Interpret and validate 3GPP protocols for 4G/5G.
• Handle test equipment and tools listed.
• Understand and test single-server gNodeB with RHOSP and CNIS.
• Collaborate with teams for ENI design validation and network testing.

Skills

RAN testing

3GPP protocols

Signaling analysis

Telecom testing

Documentation

Tools

Viavi

FsUE

LTE Sim

UCTool

C2RS

QXDM

Moshell

ICA

TGF

Ixia

Spectrum Analyzers

Signal Generators

Job description

K Two Technology Consulting AB in Sweden is seeking a skilled Telecom Tester with deep hands-on experience in end-to-end RAN testing, 3GPP protocol analysis and system integration. You will work hands-on with diverse telecom testing tools and complex signaling scenarios.

Ideal candidates have 5+ years in telecom testing, with 8–10+ years preferred, and can work independently. This role offers a competitive salary, visa sponsorship, relocation support, and a collaborative team environment.