Telecom Tester – RAN Traffic & Protocol Testing – Sweden

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

We are looking for skilled Telecom Testers with solid experience in protocol‑level testing, RAN traffic validation, and telecom system integration. This role involves working hands‑on with end‑to‑end RAN testing, 3GPP protocol analysis, and using a wide array of telecom testing tools.

Candidates with more than 5 years of experience are welcome, though we strongly prefer profiles with 8–10+ years of deep, hands‑on experience in telecom testing and system validation. You should be able to work independently, manage test setups, and analyze complex signaling scenarios. Experience with 5G gNodeB setups and telecom infrastructure is highly valued.

Key Responsibilities

• Perform end‑to‑end RAN traffic testing, including RAN configuration and UE control
• Analyze logs and troubleshoot RF and signaling issues across L1/L2/L3 layers
• Interpret and validate 3GPP protocols for 4G/5G
• Handle test equipment and tools such as Viavi, FsUE, LTE Sim, UCTool, C2RS, QXDM, Moshell, ICA, TGF, Ixia, Spectrum Analyzers, and Signal Generators
• Understand and test single‑server gNodeB deployment along with RHOSP and CNIS integration
• Collaborate with other teams for ENI design validation and network component testing

Requirements

• Minimum 5 years of experience in telecom system testing (preferably RAN/E2E)
• Preferred: 8–10+ years of hands‑on telecom testing experience, including protocol‑level debugging
• Strong understanding of 3GPP protocols and telecom signaling at L1, L2, L3
• Familiarity with testing tools like QXDM, Viavi, FsUE, Moshell, and similar
• Knowledge of gNodeB components, CNIS, and RHOSP setup
• Ability to analyze signaling traces and troubleshoot E2E connectivity
• Strong documentation and communication skills

What we offer

• Health insurance and wellness benefit
• Regular team‑building activities and seasonal events
• A supportive, technically strong team environment
• Market‑aligned salary
• Visa sponsorship and full relocation support (If required)
• Assistance with visa extensions (If applicable)

Why K Two

At K Two, our consultants are known for their strong technical and social competence, deep industry experience, responsiveness, and winning attitude. We value not just skilled developers, technicians, and team leads—but also true consultants who thrive on delivering value. We’re in the business of assembling winners. Join us, and discover that working with and for K Two is more than just a job—it's a genuinely rewarding experience.

Sounds interesting? Apply Now

If you're a capable Telecom Tester who enjoys solving real‑world network challenges and working hands‑on with advanced telecom systems, we’d love to hear from you. Whether you're currently based in Sweden or planning an international move, we’re here to support you every step of the way—with visa sponsorship, relocation assistance, and a welcoming team environment.

Join us in shaping the future of telecom technology—apply today and become part of something rewarding.