Telecom network tester

Steadfast is looking for Telecom network (4G/5G) test engineer to work & learn in a fast paced Telecom environment. Prime responsibility in this role includes test case creation & test execution for telecom network & telecom solutions. In addition, ready to perform operations, troubleshooting & support activities when required.

Competence requirements

Technical skills:

· Sound knowledge on Telecom technologies – Core network (4G, 5G SA), Voice, IMS, Messaging, Roaming.

· Good understanding in IP networking, TCP/IP protocol stack, DNS, VPN/IPsec, MPLS.

· Knowledge & experience in Linux & Cloud/virtualization technologies.

· Able to analyse and troubleshoot complex network & system issues.

· Knowledge about API integrations.

· Should be able to work in support & operations and do troubleshooting when required.

· Understanding of IoT, eSIM, BSS & OSS solutions.

· Familiarity with IT infrastructure & Network Security will be an added advantage.

Soft skills:

· Excellent written and verbal communication skills, able to explain complex technical findings clearly.

· Strong analytical mindset and structured approach to problem-solving.

· Collaborative, customer-focused, and comfortable working with international stakeholders.

· Proactive, detail-oriented, and committed to quality and timely delivery.

· Action oriented & positive mindset.

· Ready to learn new technologies & products when required.

Start: January, 2026

Location: Onsite - Stockholm, Sweden